Tributaries Sentence Examples

Below Kuhsan it receives fresh tributaries from the west.

The Amur, the upper tributaries of which rise on the eastern border-range of the high plateau, is similar.

The other great rivers are tributaries of the Ucayali.

As Lake Baikal is approached the stream of Russian immigration becomes narrower, being confined mostly to the valley of the Angara, with a string of villages up the Irkut; but it widens out again in Transbaikalia, and sends branches up the Selenga and its tributaries.

The rubber forests are on the Orinoco and its tributaries of the Guiana highlands.

Seventy-two kings, reigning over as many kingdoms, were his tributaries.

The native populations of the Amur - Golds and Gilyaks - support themselves chiefly by fishing, when the salmon enters the Amur and its tributaries in dense masses.

Novibazar is a mountainous region, watered by the Lim, which flows north into Bosnia, and by several small tributaries of the Servian Ibar.

Forty miles lower down the Orange is joined by the first of its large tributaries, the Caledon (230 m.), which, rising on the western side of the Mont aux Sources, flows, first west and then south, through a broad and fertile valley north of the Maluti Mountains.

These usually dry sandy beds, which on many maps appear rivers of imposing length, for a few hours or days following rare but violent thunderstorms, are deep and turbulent streams. The northern system consists of the Nosob and its tributaries, the Molopo and the Kuruman.

Those of the Paraguay drain the south-western part of Matto Grosso, and the tributaries of the Parana cover the western slopes of the Serra do Mar from Rio Grande do Sul north to the south-west part of Minas Geraes, and include the south-east part of Matto Grosso and the south part of Goyaz within their drainage basin.

Between the two great waterfalls of the Parana there is an open channel of 276 m., passing through a rich and healthy country, and receiving large tributaries from one of the most fertile regions of Brazil.

Though the Uruguay plays a less important part, its relations to the country are similar to those of the Parana, and its tributaries from the plateau region are similarly broken by falls and rapids.

The crystalline rocks are succeeded by beds which have been referred to the Cambrian and Silurian systems. In the valley of the Trombetas, one of the northern tributaries of the Amazon, fossils have been found which indicate either the top of the Ordovician or the bottom of the Silurian.

Geographically it belongs to the Amazon basin, as its western and southern slopes are drained by tributaries of that great river.

The higher valleys of the Parana and its tributaries, and of the rivers which flow northward, are sub-tropical in character, having high sun temperatures and cool nights.

They are very numerous in the Amazon and its tributaries and in the Paraguay, and are found in all the rivers of the Atlantic coast.

The visit of Professor Louis Agassiz to the Amazon in 1865 resulted in a list of 1143 species, but it is believed that no less than 1800 to 2000 species are to be found in that great river and its tributaries.

In the northern temperate zone we find forests of a single species, others of three or four species; in this great tropical forest the habit of growth is solitary and an acre of ground will contain hundreds of species - palms, myrtles, acacias, mimosas, cecropias, euphorbias, malvaceas, laurels, cedrellas, bignonias, bombaceas, apocyneas, malpigias, lecythises, swartzias, &c. The vegetation of the lower river-margins, which are periodically flooded, differs in some particulars from that of the higher ground, and the same variation is to be found between the forests of the upper and lower Amazon, and between the Amazon and its principal tributaries.

India-rubber is derived principally from the Hevea guayanensis, sometimes called the Siphonia elastica, which is found on the Amazon and its tributaries as far inland as the foothills of the Andes.

The southern districts and the Amazon and its tributaries were often raided by slave-hunting expeditions, and their Indian populations were either decimated, or driven farther into the inaccessible forests.

The collection of Brazil nuts along the Amazon and its tributaries is essentially a poor man's industry, requiring no other plant than a boat.

The largest and longest, the Tugela, with the Buffalo, Mooi, Klip and other tributaries is treated separately.

The only point still remaining undecided is whether the valleys of the Bom-kemchik (a tributary of the Yenisei) and its left-hand tributaries do not belong geographically to the Altai region.

In the same way the Kentei (or Gentei) Mountains, as they are called, to the north of Urga, and the Yablonoi Mountains of Transbaikalia, separate the higher terrace of north-west Mongolia (drained by the tributaries of the Selenga) from the lower terrace of the Gobi, which is drained by the upper tributaries of the Onon and the Kerulen, both belonging to the basin of the Amur.

The Pest Basin extends over the greater portion of central and southern Hungary, and is traversed by the Theiss (Tisza) and its numerous tributaries.

The principal tributaries of the Danube in Hungary, of which some are amongst the largest rivers in Europe, are, on the right, the Raab, Drave and Save, and, on the left, the Waag, Neutra, Gran, Eipel, Theiss (the principal affluent, which receives numerous tributaries), Temes and Cserna.

They carry an immense volume of water during the summer rains, but are very small streams in the winter, when several of their tributaries are completely dry.

Along the Brazilian frontier and about the sources of the Orinoco tributaries on the eastern slops of the Andes there are extensive forests, sometimes broken with grassy campos.

When the Orinoco is reached its lower basin is contracted between the Guiana highlands and the northern sierras, and its tributaries begin to come in more nearly at right angles, showing that the margins of the actual valley are nearer and higher.

The Orinoco is supposed to have 436 tributaries, of which, among the largest, the Caroni-Paragua, Aro, Caura, Cuchivero, Suapure, Sipapo and Ventuari have their sources in the Guiana highlands; the Suata, Manapere and Guaritico in the northern sierras; and the Apure, Uricana, Arauca, Capanaparo, Meta, Vichada and Guaviare (the last three being Colombian rivers) in the llanos and Andes.

The Apure receives two large tributaries from the northern sierras - the Guarico and Portuguesa.

The climatic conditions are not so favourable as in Argentina, but these are counterbalanced to some extent by the great river system of the Orinoco, whose large navigable tributaries cross the plains from end to end, and whose smaller streams from the surrounding highlands provide superior opportunities for water storage and irrigation.

The river is well stocked with fish, both salt-water and fresh-water species being found in its waters, and several varieties of fresh-water fish in its tributaries.

The smaller tributaries of these rivers of Sonora are often only dry canyons in the dry season.

The Rhine is said to receive, directly or indirectly, the waters of upwards of 12,000 tributaries of all sizes.

In the upper Rhenish basin, between Basel and Mainz, the tributaries, though numerous, are mostly short and unimportant.

Single tree trunks sent down to the Rhine by the various tributaries are united into small rafts as they reach the main stream; and these again are fastened together to form one large raft about Andernach.

The main tributaries of the Thames from the north, to east and west of those described, are not covered, nor is any tributary of importance from the south entirely concealed.

Wilhelm Junker about the same period also explored the southern tributaries of the Ghazal.

Comyn partly explored the northern and western affluents of the Ghazal, and threw some light on the puzzling hydrography and nomenclature of those tributaries.

The district is watered by the Geuk Su (Calycadnus and its tributaries), and is covered to a large extent by forests, which still, as of old, supply timber to Egypt and Syria.

All the streams to the south of that range are tributaries of the Godavari.

Loch Laggan and Loch Ericht are the principal lakes, and the district is abundantly watered by the Spey and its numerous tributaries.

Hamd and the extent of the area drained by its tributaries was for the first time brought to light.

Its more important tributaries are the Enz, Eschach and Glatt (left), and the Fils, Rems, Kocher and Jagst (right).

The eastern range is cut through by six rivers in Peru, namely, the Maranon and Huallaga, the Perene, Mantaro, Apurimac, Vilcamayu and Paucartambo, the last five being tributaries of the Ucayali.

The most important means of communication in the republic is that of its river system, comprising, as it does, the navigable channels of the Maranon, or upper Amazon, and its tributaries.

Of the rivers farther south, which discharge into the Amazon through the Madeira, the Madre de Dios alone offers an extended navigable channel, together with some of its larger tributaries, such as the Heath and Chandless.

The Hevea is found along the water-courses of the lowlands, which includes the large tributaries of the Maranon, while the caucho species flourish on higher ground, above 900 ft.

In addition to the foregoing the government has a few small river boats on the Maranon and its tributaries, which are commanded by naval officers and used to maintain the authority of the republic and carry on geographical and hydrographical work.

In the case of Ecuador and Colombia a dispute arose in 1894 concerning the ownership of large tracts of uninhabited country in the vicinity of the headwaters of the Amazon and its tributaries.

The principal tributaries of the Main from the Frankenwald are the Rodach and Hasslach, and of the Saale, the Selbitz.

The table-land consists of a series of fertile plains, of varying size and elevation separated from each other by upland tracts or mountains, and it is drained almost entirely by the river Iris (Yeshil Irmak) and its numerous tributaries, the largest of which are the Scylax (Tchekerek Irmak) with many affluents and the Lycus (Kalkid Irmak), all three rising in the highlands near, or on, the frontier of Armenia Minor and flowing first in a westerly and then in a north-westerly direction to merge their waters in a joint stream, which (under the name of the Iris) pierces the mountain-wall and emerges on the east of Amisus (Samsun).

The greater part of Baden belongs to the basin of the Rhine, which receives upwards of twenty tributaries from the highlands; the north-eastern portion of the territory is also watered by the Main and the Neckar.

Its principal tributaries are - from the right hand the Jalon with its affluent the Jiloca, the Huerva, Aguas, Martin, Guadalope and Matarrana; from the left the Ega, Aragon, Arba, Gallego, and the Segre with its intricate system of confluent rivers.

The Ebro and its tributaries have been utilized for irrigation since the Moorish conquest; the main stream becomes navigable by small boats about Tudela; but its value as a means of communication is almost neutralized by the obstacles in its channel, and seafaring vessels cannot proceed farther up than Tortosa.

It receives many tributaries from the sides of the rift-valley, and is navigable for canoes.

To the north this province comprises the middle portion of the Inn Valley, with its tributaries, as well as the upper portion of the Lech valley, all flowing towards the Danube and so to the Black Sea, while south of the pass is the great upper valley of the Adige or Etsch, with many tributaries, as well as (since 1500) a portion of the upper Drave valley, which physically belongs to Carinthia - all these (save the Drave) flow to the Adriatic Sea.

The principal rivers, besides the Cher and its tributaries, are the Grande Sauldre and the Petite Sauldre on the north, but the Loire and Allier, though not falling within the department, drain the eastern districts, and are available for navigation.

Moreover, the largest streams have numerous tributaries, and nearly all alike flow circuitously between steep if not vertical cliffs or in deep craggy ravines overlooked by distant hills, among which the wagon road has wound its way with difficulty.

Coal is found on the banks of the Tenasserim and its tributaries, but is still unworked.

The narrower part of the Tagus basin lies to the south, and the left-hand tributaries which drain it are almost all mere brooks, dry in summer.

The principal right-hand tributaries, besides the Gallo and Zezere, are the Jarama, descending from the tableland of New Castile a little below Aranjuez, the Alberche and the Tietar, which collect their head waters from opposite sides of the Sierra de Gredos, and the Alagon, from the rough and broken country between the Sierras de Gredos and Gata.

Two large tributaries from the N., the Afrin and Kara Su, here reach it through the former Lake of Antioch, which is now drained through an artificial channel (Nahr al-Kowsit).

The government is drained by the Don and its tributaries, of which the Donets, Chir and Mius enter from the right and the Khoper and Medvyeditsa from the left.

The chief tributaries of the Oder on the left bank are the Oppa, Glatzer Neisse, Katzbach, Bober and Lausitzer Neisse; on the right bank the Malapane, Bartsch and Warthe.

Its king Hanun had fled to Musri, but was pursued and captured; Ascalon, Judah and Edom appear in a list of tributaries.

The Algonquin-Iroquois took up the journey at Bear Lake and its tributaries, and by means of paddling and portages traversed the area of middle and eastern Canada, including the entire St Lawrence drainage.

The principal rivers are the Aras and Kizil Uzain, both receiving numerous tributaries and flowing into the Caspian, and the Jaghatu, Tatava, Murdi, Aji and others, which drain into the Urmia lake.

Its principal tributaries are the Kundaur, Saglair, Cheyair, and Papagni rivers.

The surface of the country is beautifully diversified, undulating tracts and well-wooded hills alternating with fertile valleys watered mainly by the Aar and its tributaries.

The plateau of Odenpah, drained by tributaries of the Embach river, which flows for 93 m.

The Hudson (q.v.) is essentially a New York stream, though it receives some drainage from the New England States through its small eastern tributaries.

The principal tributaries on the right are the Aller, Wi mme, Drepte, Lune and Geeste, and on the left the Diemel, Nethe, Emmer, Werra, Aue and Hunte.

The other rivers are chiefly tributaries of the Vistula, as the Drewenz on its right bank and the Brahe on its left.

There are also deep canyons which have been cut by the rivers in their present courses, especially by the Snake river and its tributaries.

The whole country forms part of the drainage basin of the Orange river, its streams, with insignificant exceptions, being tributaries of the Vaal or Caledon affluents of that river.

The chief tributaries of the Vaal (q.v.) wholly or partly within the province are, going from east to west, the Klip (this stream from near its source to its confluence with the Vaal divides the Free State from the Transvaal), the Wilge, Rhenoster, Vet, Modder and Reit.

It lies at an altitude of nearly 6000 ft., and is well watered by the Caledon and its tributaries.

The principal rivers east of the Rockies are the Missouri and three of its tributaries; the Yellowstone in the south-east, the Musselshell in the middle, and the Milk in the north.

Comparatively few of the numerous smaller streams of Saxony flow directly to the Elbe, and the larger tributaries only join it beyond the Saxon borders.

The Elbe produces excellent pike, salmon and eels, its tributaries trout in considerable quantities, while the marshy ponds lying on the left bank furnish a good supply of carp, a fish held in great esteem by the inhabitants.

They are most abundant in the plains of northern Italy traversed by the Po and its tributaries, though similar constructions have been found in Hungary in the valley of the Theiss.

The plains, except in the south-east corner, are underlaid by sheets of water-bearing sandstone, which carry a volume of water under such pressure that in the valleys of the James river and the Missouri river and its western tributaries a strong surface flow may be obtained from artesian wells.

The area irrigated by streams was confined largely to the Black Hills region, the water being supplied by the North Fork and the South Fork Rivers, which are tributaries of the Cheyenne.

The main watershed follows a tortuous course which crosses the mountainous belt just north of New river in Virginia; south of this the rivers head in the Blue Ridge, cross the higher Unakas, receive important tributaries from the Great Valley, and traversing the Cumberland Plateau in spreading gorges, escape by way of the Cumberland and Tennessee rivers to the Ohio and Mississippi, and thus to the Gulf of Mexico; in the central section the rivers, rising in or beyond the Valley Ridges, flow through great gorges (water gaps) to the Great Valley, and by southeasterly courses across the Blue Ridge to tidal estuaries penetrating the coastal plain; in the northern section the water-parting lies on the inland side of the mountainous belt, the main lines of drainage running from north to south.

Former tributaries have given place to others developed with reference to the distribution of more or less easily eroded strata, the present longitudinal valleys being determined by the out-crop of soft shales or soluble limestones, and the parallel ridges upheld by hard sandstones or schists.

With their followers of both German and Scotch-Irish origin, they worked their way southward and soon occupied all of the Virginia Valley and the upper reaches of the Great Valley tributaries of the Tennessee.

Its tributaries are small, and are remarkable chiefly for the fact that they at first flow in a direction almost opposite to that of the main stream, and make a great bend to the N.E.

Trees are found ' The peculiar bow shape of these western tributaries of the Red river is due to the fact that these streams originally flowed S.E.

As the Red river valley is the bed of the extinct Lake Agassiz, its soil is composed of the fine detritus and silty deposits carried into the lake by its tributaries.

A good way farther north two small rivers, the Nam Kum and the Nam Song Kram, also tributaries of the Mekong, drain a small part of eastern Siam.

It is interspersed with many islands, and with its numerous smaller tributaries affords easy and rapid communication.

He often had occasion, on his own business, or on that of Froben's press, to send special couriers to a distance, employing them by the way in collecting the free gifts of his tributaries.

Having received all its important tributaries, the Dnieper is here a broad (400 to 580 yds.) and navigable stream; but as it approaches the town it divides into two arms and forms a low grassy island of considerable extent called Tukhanov.

All rivers of Western Maryland flow south into the Potomac except in the extreme west, where the waters of theYoughiogheny and its tributaries flow north into the Monongahela.

Tide-water Maryland is afforded rather unusual facilities of water transportation by the Chesapeake Bay, with its deep channel, numerous deep inlets and navigable tributaries, together with the Chesapeake and Delaware Canal, which crosses the state of Delaware and connects its waters with those of the Delaware river and bay.

The Shelif, which has many tributaries, is about 430 m.

On its right hand the Garonne is swelled by its two chief tributaries, the Tarn, near Moissac, and the Lot, below Agen; farther down it is joined by the Drot (or Dropt), and on the left by the Ciron.

As Lynn (Lun, Lenne, Bishop's Lynn) owes its origin to the trade which its early settlers carried by the Ouse and its tributaries its history dates from the period of settled occupation by the Saxons.

Its chief right-hand tributaries are the San Carlos and Sarapiqui.

The Hissar range, a westward continuation of the Alai Mountains, separates the Zarafshan from the tributaries of the Oxus - the Surkhan, Kafirnihan and Vakhsh.

Its chief tributaries on the right are the Ruchil, Machany, Ruthven, May and Farg, and on the left, the Lednock and Turret.

The country about the Laguna de Terminos is low and flat, and is traversed in all directions by deep, sluggish streams. Many of the rivers crossing the lowlands bordering the Gulf have short navigable channels, the most important of which is the Panuco and its tributaries.

Other streams are tributaries of the Limpopo, which for some distance is the frontier between Bechuanaland and the Transvaal.

Deep gorges, through which tributaries of the Chorokh force their passage to the main river, intersect these highlands, forming most picturesque gorges.

The great river receives an abundant load of silt from its tributaries, and takes up ano lays down silt from its own bed and banks with every change of velocity.

The floods of the Mississippi usually occur in spring or aummer; Owing to the great size of the drainage basin, it seldom happens that the three upper tributaries are in flood at the same time; the coincident occurrence of floods in only two tributaries is of serious import in the lower river, which rises 30, 40, or occasionally 50 ft.

The central section of the plains thus presents a marked contrast to the northern section; for while the northern section owes its smoothness to the removal of local gravels and sands from a formerly uneven surface by the action of degrading rivers and their inflowing tributaries, the southern section owes its smoothness to the deposition of imported gravels and sands upon a previously I uneven surface by the action of aggrading rivers and their outgoing distributaries.

The river Sabarmati and its tributaries, flowing from north-east to south-west into the Gulf of Cambay, are the principal streams that water the district.

Its main tributaries from the right are the Griindlach and the Wiesent, and from the left the Zenn, the Aurach and the Aisch.

The St Lawrence varies only a few feet in the year and always has pellucid bluish-green water, while the Mississippi, whose tributaries begin only a short distance south of the Great Lakes, varies 40 f t.

North of the divide between the St Lawrence system and Hudson Bay there are many large rivers converging on that inland sea, such as Whale river, Big river, East Main, Rupert and Nottaway rivers coming in from Ungava and northern Quebec; Moose and Albany rivers with important tributaries from northern Ontario; and Severn, Nelson and Churchill rivers from the south-west.

The Fraser, next in size but farther north, follows a similar course, entering the sea at Vancouver; while the Skeena and Stikine in northern British Columbia are much shorter and smaller, owing to the encroachments of Peace and Liard rivers, tributaries of the Nelson, on the Cordilleran territory.

In most cases they reach the coast through deep valleys or profound canyons, and the transcontinental railways find their way beside them, the Canadian Pacific following at first tributaries of the Columbia near its great bend, and afterwards Thompson river and the Fraser; while the Grand Trunk Pacific makes use of the valley of the Skeena and its tributaries.

The divide between the rivers flowing west and those flowing east and north is very sharp in the southern Rocky Mountains, but there are two lakes, the Committee's Punch Bowl and Fortress Lake, right astride of it, sending their waters both east and west; and there is a mountain somewhat south of Fortress Lake whose melting snows drain in three directions into tributaries of the Columbia, the Saskatchewan and the Athabasca, so that they are distributed between the Pacific, the Atlantic (Hudson Bay) and the Arctic Oceans.

The Arkansas ordinarily receives little water from its tributaries save in time of floods.

The principal rivers are the Spree with its tributaries, the Black Elster and the Neisse.

The greater part of the state is drained by the Rio Grande de Lerma (called the Santiago on its lower course) and its tributaries, chief of which is the Rio Verde.

The Yeres, a tributary of the Seine, and the Grand Morin and Petit Morin, tributaries of the Marne, are the chief rivers, but the region is not abundantly watered and the rainfall is only between 20 and 24 in.

It is situated on a slight eminence (210 ft.) near the Ombrone, one of the tributaries of the Arno.

The three chief rivers of the province are the Elbe in the north-east, where it mainly forms the boundary and receives the navigable tributaries Jeetze, Ilmenau, Seve, Este, Luhe, Schwinge and Medem; the Weser in the centre, with its important tributary the Aller (navigable from Celle downwards); and in the west the Ems, with its tributaries the Aa and the Leda.

The principal rivers of the state are the Maracassume and Tury-assu, the Mearim and its larger tributaries (the Pindare, Grajahu, Flores and Corda) which discharge into the Bay of Sao Marcos, and the Itapicuru and Monim which discharge into the Bay of Sao Jose.

The Sind, with its tributaries the Kuwari, Asar and Sankh, flows through the northern division.

The Guadalquivir rises among the mountains of Jaen and flows in a south-westerly direction to the Gulf of Cadiz, receiving many considerable tributaries on its way.

Lying south and east of the main stream is a vast, densely forested region called Venezuelan Guiana, diversified by ranges of low mountains, irregular broken ridges and granitic masses, which define the courses of many unexplored tributaries of the Orinoco.

But it is no less certain that Innocent attempted to subject the kings of Europe by making them his tributaries and vassals.

KirkKilisseh is built near the headwaters of several small tributaries of the river Ergene, and on the western slope of the Istranja Dagh.

The Vistula touches the province on the south-east, and receives a few small tributaries from it, while on the west the Spree and Black Elster belong to the system of the Elbe.

The Pocono plateau, nearly all of the central and south-east provinces and the north-east portion of the Alleghany plateau are drained by the Susquehanna and Delaware river-systems into the Chesapeake and Delaware Bays; the greater part of the Alleghany plateau is drained by the Allegheny and Monongahela rivers into the Ohio river; the extreme southern portion of the central province and the extreme western portion of the south-east province are drained by tributaries of the Potomac; the Erie plain is drained by short streams into Lake Erie; and a very small section of the Alleghany plateau, in the northern part of Potter county, is drained by the Genesee river into Lake Ontario.

The Susquehanna is a wide and shallow stream with a zigzag course and numerous islands, but both the Susquehanna and the Delaware, together with their principal tributaries, flow for the most part transverse to the geological structure, and in the gorges and water-gaps through which they pass ridges in the mountain region, is some of the most picturesque scenery in the state; a number of these gorges, too, have been of great economic importance as passages for railways.

In the mountain region and in the vicinity of Lake Erie there is often a fall of several inches of snow during the winter months and the rapid melting of this produces floods on the Delaware, Susquehanna and Ohio rivers and some of their tributaries.

As a whole the system forms the watershed between rivers flowing to the Indian Ocean - the Indus and its tributaries, Brahmaputra and its tributaries, and Salweenand the streams flowing into the undrained salt lakes to the north.

This watershed was found to lie much farther north than had been supposed, and to consist of very lofty mountains, in complicated ranges, from which large tributaries descend to the Tsangpo (Brahmaputra).

The richest portion of the vilayet lies east of the capital in the rolling plains watered by tributaries of the Tigris.

In the Hellenic age the water was derived wholly from the Cladeus and from the small lateral tributaries of its valley.

Cold north-west winds prevail from October to March, while in July and August torrential rains fall, resulting in a sudden and very considerable rise in the Amur and its right-bank tributaries.

The Lesse receives altogether in its short course the water of thirteen tributaries.

The district watered by the southern tributaries of the Danube consists for the most part of an extensive plateau, with a mean elevation of 2390 ft.

The Black Volta, and lower down the Volta, form the northern frontier, and various tributaries of the Volta, running generally in a northerly direction, traverse the eastern portion of the country.

In the central parts are the upper courses of the Ofin and of some tributaries of the Prah.

The rest of Toungoo forms the upper portion of the valley of the Sittang, the only large river in the district, the chief tributaries of which are the Shwa, Hkabaung, Hpyu Thank-ye-Kat and Yank-thua-wa, all navigable for a great portion of their course.

Of the numerous tributaries which join the Rhine within the province, the most important are the Nahe, the Mosel and the Ahr on the left bank, and the Sieg, the Wupper, the Ruhr and the Lippe on the right.

Fishing is carried on remuneratively, more particularly on the Vistula and its tributaries.

The tributaries that flow westward to the Paraguay are consequently to some extent navigable, while those that run eastward to the Parana are interrupted by rapids and falls, often of a formidable description.

The diamond here occurs in river gravels and sands associated with the same minerals as in Minas Geraes; since 1844 the richest mines have been worked in the Serra de Cincora, where the mountains are intersected by the river Paraguassu and its tributaries; it is said that there were as many as 20,000 miners working here in 1845, and it was estimated that 54,000 carats were produced in Bahia in 1858.

The principal tributaries are the Lys and the Dender.

Its chief rivers are the Lot in the north, the Aveyron in the centre and the Tarn in the south, all tributaries of the Garonne.

India possesses no great lakes from which to draw rivers and canals, but through the plains of northern India flow rivers which are fed from the glaciers of the Himalaya; and the Ganges, the Indus, and their tributaries are thus prevented from diminishing very much in volume.

Behar abounds in great rivers, such as the Ganges, with its tributaries, the Ghagra, Gandak, Kusi, Mahananda and Sone.

The Ganges and its northern tributaries are navigable by country boats of large burden all the year round.

The Fulda, navigable for 63 m., and the Werra, 38 m., above the point where they unite, form by their junction the Weser, which has a course of 271 m., and receives as navigable tributaries the Aller, the Leine from Hanover, and some smaller streams. Oceangoing steamers, however, cannot get as far as Bremen, and unload at Bremerhaven.

The navigable tributaries of the Elbe are the Saale (below Naumburg), the Havel, Spree, Elde, Sude and some others.

The Oder and some of the tributaries of the Elbe abound in crayfish, and in the stagnant lakes of East Prussia leeches are bred.

All parts of Ontario are well provided with lakes and rivers, the most important chain being that of the St Lawrence and the Great Lakes with their tributaries, which drain the more populous southern districts, and, with the aid of canals, furnish communication by fairly large vessels between the lower St Lawrence and the Lake Superior.

All the other rivers in southern Ontario are tributaries of the lakes or of the St Lawrence, the Ottawa, navigable in many parts, being the largest, and the Trent next in importance.

The people of Gela and Camarina were allowed to occupy their unwalled towns as tributaries of Carthage.

In the south-east of the colony the streams - of which the chief are the Dscha and Bumba - are tributaries of the Sanga, itself an affluent of the Congo.

The Moy is a notable salmon river for rodfishing and its tributaries and the neighbouring lakes contain trout.

Tributaries of the Niger traverse the western portion of the country, the most noteworthy being the Gulbin Kebbi or Sokoto river and the Kaduna, which flows through a valley not more than 500 ft.

Of the tributaries of the Benue the most important is the Gongola.

There is ample water power from the Blackstone river and its tributaries, and among the manufactures of Grafton are cotton-goods, boots and shoes, &c. Within what is now Grafton stood the Nipmuck Indian village of Hassanamesit.

The Aluta (Alt or Olt) rises not far from the Maros, but takes a southerly direction and pierces the Carpathians at the Roteturm pass, to enter Rumania; its principal tributaries in Transylvania are the Vargyas, the Homorod, the Cibin and the Burzen.

The fish of Lake Aral belong to fresh-water species, and in some of its rapid tributaries the interesting Scaphirhynchus, which represents a survival from the Tertiary epoch, is found.

A king Kisu of Silna (Salamis) is mentioned in a list of tributaries of Assur-bani-pal of Assyria in 668 B.C., and Assyrian influence is marked in the fine terra-cotta figures from a shrine at Toumba excavated in 1890-1891.

Straths are broad expanses of low ground between bounding hills and are usually traversed by one main stream and its tributaries - e.g.

Great part of southern and western Phrygia is drained by the Maeander with its tributaries, Sandykly Tchai (Glaucus), Banaz Tchai, Kopli Su (Hippurius), and Tchuruk Su (Lycus); moreover, some upland plains on the south, especially the Dombai Ova (Aulocra), communicate by underground channels with the IVlaeander.

The final survey of the Pamir region (wherein the heads of all the chief tributaries of the river lay hidden), by the Pamir boundary commission of 1895 established the following topographical facts in connexion with this question.

This at any rate is the action of the Burgutai stream during certain seasons of the year, so that the glaciers and snowfields of the Nicolas range may be regarded as the chief fountain-head of at least two of the upper tributaries of the Oxus, namely, the Aksu (or Murghab) and the Pamir river, and as contributing largely to a third, the Ab-i-Panja.

If the Aksu (or Murghab) and the Pamir river from Lake Victoria are to be considered in the light of independent tributaries, it is probable that the Ab-i-Panja contributes as large a volume of glacial flood to the Oxus as either of them.

Besides the great muddy affluents from Karateghin on the north, the Kabadian, the Surkhan, and the Darbant are all of them very considerable tributaries from Bokhara.

Like most of the large Amazon tributaries, its discharge into the Maranon is through several distinct channels.

The principal tributaries of the Napo are the Coca and Aguarico from the north, and the Curaray from the south.

The Napo and its tributaries are celebrated in the early history of South America as the route by which Gonzalo Pizarro and Oreliana first reached the Amazon, and it was afterwards the principal route by which the early expeditions across the continent at this point connected the Andean Plateau with the Amazon.

Its length below this confluence is 416 m., into which are received 109 tributaries, the largest of which are the Pucacuro and Corrientes.

One of its plateau tributaries, Rio Pedregal, rises on the slopes of Cotopaxi and is celebrated for its three beautiful cascades, the highest of which is about 220 ft.

The Reptilia include countless numbers of alligators in the Guayas and its tributaries and in the tide-water channels of many of the smaller rivers; many species of lizards, of which Mr Whymper found three in the Quito basin; snakes of every description from the huge anaconda of the Amazon region down to the beautifully marked coral snake; and a great variety of frogs and toads.

Commerce.-Ecuador has no merchant marine beyond a few small vessels engaged in the coastwise traffic, some eighteen or twenty river steamers on the Guayas and its tributaries, and a number of steam launches, towboats and various descriptions of barges engaged in the transportation of produce and goods on the rivers.

There is also steamboat connexion with the producing districts of the province on the Guayas river and its tributaries, on which boats run regularly as far up as Bodegas (80 m.) in the dry season, and for a distance of 40 m.

The most important fisheries on the Illinois river and its tributaries were at Havana, Pekin and Peoria, which in 2907-1908 were represented by a total catch of about 10,000,000 lb, out of a total for this river system of 27,570,000 lb.

Numerous tributaries of the Shari flow through the country, but much of the water is absorbed by swamps and sand-obstructed channels, and seasons of drought are recurrent.

It is traversed by the chain of the Jura, and is watered by the Birs and the Ergolz, both tributaries (left) of the Rhine.

The Ogoki and Kenogami rivers are the principal tributaries.

North of the main water-parting of Afghanistan the broad synclinal plateau into which the Hindu Kush is merged is traversed by the gorges of the Saighan, Bamian and Kamard tributaries of the Kunduz, and farther to the west by the Band-i-Amir or Balkh river.

Thus the main routes from Kabul to Afghan Turkestan must cross either one or other of these ranges, and must traverse one or other of the terrific defiles which have been carved out of them by the upper tributaries of the rivers running northwards towards the Oxus.

Between the Oxus and the hills there has already been formed a rise or flexure in the ground, which extends more or less parallel to the northern edge of the hills, and, shutting in the cultivated area of the plains, arrests all tributaries seeking to effect a junction with the Oxus from the south, and leads to the formation of marshes and swamps.

One of these routes follows the Balkh river to its head from Tashkurghan, and then, preserving a high general level of 8000 to 9000 ft., it passes over the water-divides separating the upper tributaries of the Kunduz river, and drops into the valley formed by another tributary at Bamian.

Between Kabul and Herat there is no " royal " road, the existing route passing over the frequently snowbound wastes that lie below the southern flank of the great Koh-iBaba into the upper valleys of the Hari Rud tributaries.

The state lies in the lowlands of the Baltic, is diversified by gently swelling hills, and watered by the Trave and its tributaries, the Wakenitz and the Stecknitz.

On the west, in the dry region, this is occupied partly by the alluvial deposits of the Indus and its tributaries and the saline swamps of Cutch, partly by the rolling sands and rocky surface of the desert of Jaisalmer and Bikaner, and the more fertile tracts to the eastward watered by the Luni.

Each of these has a great number of small tributaries, and along the coast of this lowland basin are many small tide water streams. The Pasig is a short but commercially important stream connecting Laguna de Bay with Manila Bay.

The fauna of the lake and of its tributaries - explored by Nikolsky - is more akin to the fauna of the rivers of the Tarim basin than to that of the Aral; it also does not contain the common frog.

The main streams are tortuous, and their dendritic tributaries have cut the region into ridges.

Its chief tributaries in Eisenach are the Hdrsel and the Ulster.

On the eastern side of both rivers are various important tributaries, fed by the more abundant rains and melting snows of the western flank of the Sierra; but these streams also shrink greatly in the dry season.

To the north of the mountains lie the basins of the Wei-ho and of several other tributaries to the Hwang-ho.

Among its considerable tributaries may be mentioned the southern Melawi with its affluent the Penuh.

East of the Bulgar Dagh the range is pierced by the Sihun and Jihun rivers, and their tributaries, but its continuity is not broken.

Its tributaries are the Pursak Su (Tembris), which has its source in the Murad Dagh (Dindymus), and, after running north to Eski-shehr, flows almost due east to the Sakaria, and the Enguri Su, which joins the Sakaria a little below the junction of the `Pursak.

Its principal tributaries are - the Phrygius (Kum Chai), which receives the waters of the Lycus (Giirduk Chai), and the Cogamus (Kuzu Chai), which in its upper course is separated from the valley of the Maeander by hills that were crossed by the Roman road from Pergamum to Laodicea.

Its principal tributaries are the Glaucus, the Senarus (Banaz Chai), and the Hippurius, on the right bank.

Its importance was still further increased during the latter part of the 19th century in consequence of the growth of manufacturing industry in the Oka basin, the rapid development of steamboat traffic on the Volga and its tributaries, the extension of the Russian railway system and the opening of Central Asia for trade.

Its one large river is the Guadiana, which traverses the north of the province from east to west, fed by many tributaries; but it is only at certain seasons that the river-beds fill with any considerable volume of water, and the Guadiana may frequently be forded without difficulty.

The fruitful departments watered by the Loire and its tributaries produce considerable quantities of wine.

The wines grown in the Rheingau, Rheinhessen and in parts of the Palatinate are generally known by the name of Rhine wines, although e many of these are actually produced on tributaries of that river.

Some of the tributaries of the Moselle also produce wines which in quality approach those of the parent river.

The Southern Park, which runs into New Mexico, is traversed by the Rio Grande del Norte and more than a dozen of its mountain tributaries.

The scenery on the head-waters of the White and Bear, the upper tributaries of the Gunnison, and on many of the minor rivers of the south-west is wonderfully beautiful.

Colorado was practically an unknown country when in 1858 gold was discovered in the plains, on the tributaries of the South Platte, near Denver.

Next in importance is the Ramganga, which receives as its tributaries most of the hill torrents of the Kumaon mountains.

Extensive plateaus (1500-1750 ft.), into which Lake Enare, or Inari, and the valleys of its tributaries are deeply sunk, and which take the character of a mountain region in the Saariselka (highest summit, 2360 ft.), occupy the remainder of Lapland.

Its tributaries are navigable for an aggregate length of nearly 20,000 m.

It rises in the government of Orel, among hills which also send tributaries to the Dnieper and the Don, and receives on the left the Upa, the Zhizdra, the Ugra (300 m.), the Moskva, on which steamers ply up to Moscow, the Klyazma (J95 m.), on whose banks arose the middle-Russian principality of Suzdal, and on the right the navigable Tsna (255 m.) and Moksha.

Every one of these tributaries is connected with some important event in the history of Great Russia.

Here the Volga receives no tributaries; its right bank is skirted by low hills, but on the left it anastomoses freely with the Akhtuba when its waters are high, and floods the country for 15 to 35 m.

No positive result was, however, arrived at, principally on account of the want of regular measurements of the volume of the Volga and its tributaries - measurements which began to be made on scientific principles only in 1880.

But in the meantime a flow of Novgorodian colonization had moved eastward, along the upper portions of the left-bank tributaries of the Volga, and had reached the Urals.

P. P. Semenov's Geographical and Statistical Dictionary (5 vols., St Petersburg, 1863-85) contains a full bibliography of the Volga and tributaries.

Assam is a fertile series of valleys, with the great channel of the Brahmaputra (literally, the Son of Brahma) flowing down its middle, and an infinite number of tributaries and watercourses pouring into it from the mountains on either side.

Its first tributaries in Assam, after crossing the frontier, are the Kundil and the Digaru, flowing from the Mishmi hills on the north, and the Tengapani and Dihing, which take their rise on the Singpho hills to the south-east.

All the rivers of the department flow into the Seine, - on the right bank the Andelle and the Epte, and on the left the Eure with its tributaries the Avre and the Iton, and the Risle with its tributary the Charentonne.

The water of its upper course and tributaries is sweet, and is conducted across the desert in pipes to some of the coast towns, but in its lower course, as in all the rivers of this region, it becomes brackish.

The Aisen also has its source in Argentine territory near the 46th parallel, and drains a mountainous region as far north as the 45th parallel, receiving numerous tributaries, and discharging a large volume of water into the Moraleda channel in about lat.

The rivers are the Tolten on the northern boundary, the Valdivia, or Calle-Calle, with its large tributaries in the central part of the province, and the Bueno on the southern frontier.

The Yarkand-Darya and its numerous tributaries, which are fed by the glaciers of the mountain regions, as also many rivers which are now lost in the steppe or amidst the irrigated fields, bring abundance of water to the desert; one of them is called Zarafshan ("gold-strewing"), as much on account of the fertility it brings as of its auriferous sands.

The ruins of the Artemision, after serving as a quarry to local builders, were finally covered deep with mud by the river Cayster, or one of its left bank tributaries, the Selinus, and the true site remained unsuspected until 1869.

Lying in the midst of them, on an open plain formed by the high-level tributaries of the Lora (which have also raised the Pishin valley to the north), 55 00 ft.

Being fed by tributaries which for the most part drain narrow valleys where gradual denudation has washed bare the flat-backed slopes of limestone ridges, and which consequently send down torrents of rapidly accumulating rainfall, both these central lines of water-course are liable to terrific floods.

Between the Naushirwanis of the Kharan desert and Mashkel, and the fish-eating population of the coast, enclosed in the narrow valleys of the Rakshan and Kej tributaries, or about the sources of the Hingol, are tribes innumerable, remnants of races which may be recognized in the works of Herodotus, or may be traced in the records of recent immigration.

The northern tributaries of the Gilgit river, which joins the Indus near its south-westerly bend towards the Punjab, take their rise from a glacier system which is probably unequalled in the world for its extent and magnificent proportions.

Lesser ranges, which are included in the Beirene system and vary in height from 2000 to 4000 ft., are the Mesas, between the rivers Coa and Zezere; the Guardunha and Moradal, separating the Zezere from the Ponsul and Ocreza, tributaries of the Tagus; the Serra do Aire, and various ridges which stretch south-westward as far as the mountains of Cintra (q.v.).

The chief Portuguese tributaries of the Douro are the Tamega, Tua and Sabor on the north, the Agueda, Coa and Paiva on the south; of the Tagus, the Ocreza, Ponsul and Zezere on the north, the Niza and Sorraia on the south, while into the Guadiana, on its right or Portuguese bank, flow the Caia, Degebe, Cobres, Oeiras and Vascao.

Its estuary contains the important harbour of Figueira da Foz; its chief tributaries are the Dao on the right, and the Alva, Ceira and Arunca on the left; its length is 125 m.

North of this elevation, which formed the southern shore of the ancient Mojos Lake, are the llanos of Guarayos and Mojos, occupying an extensive region traversed by the Guapore, San Miguel, Guapay, Mamore, Yacuma, Beni and Madre de Dios rivers and their numerous tributaries.

The principal tributaries of the Guapay are the Mizque, Piray or Sara and Yapacani, the last rising on the east slopes of the Cordillera Real, flowing east by Cochabamba to the sierras of that name where it breaks through with a great bend to the north.

The other large Bolivian tributaries of the Mamore, all rising on the north-east flanks of the Andes, are the Chapare, Secure, Manique or Apere and Yacuma, the last draining a region of lakes and swamps north of the Sierra Chamaya.

Several of its south tributaries belong to Bolivia.

Its Brazilian tributaries are comparatively unimportant, but from Bolivia it receives the Baures and the San Miguel, both rising in the Sierras de Chiquitos and flowing north-west across the llanos to the Guapore.

Nothing definite is known of its tributaries in the Chaco, but in the sierra region it possesses a number of small tributaries, the largest of which are the Cachimayo, Mataca and Pilaya or Camblaya, the latter formed by the Cotagaita and San Juan.

The Bolivian tributaries of the upper Paraguay are small and unimportant.

The Desaguadero is navigable for small craft, and has two or three small tributaries from the west.

Pueblo ruins are plentiful in the basins of the Gila and Colorado rivers and their tributaries.

The first includes the Guapay or Rio Grande, Piray or Sara, Yapacani and Marac6, upper tributaries of the Mamore, and the San Miguel, Blanco, Baures and Paragua, tributaries of the Guapore - both draining the western and northern parts of the department.

Of the tributaries of the Dnieper the following are navigable, - the Berezina and the Pripet from the right, and the Sozh and the Desna from the left.

The chief tributaries of the Salween in British territory are the Nam Yu and the Nam Oi or Nam Mwe on the right bank, and the Hsipa Haw on the left.

Below this the tributaries are again only mountain streams till the Thaung-yin comes in from the S.E.

Between Henry's Fork and Malade (or Big Wood) river, a distance of 200 m., the river apparently has no northern tributaries; but several streams, as the Camas, Medicine Lodge and Birch creeks, and Big and Little Lost rivers, which fail to penetrate the plain of the Snake after reaching its border, are believed to join it through subterranean channels.

The scenery on some of these tributaries is almost as beautiful as that of the Snake, though lacking the grandeur of its greater scale.

Its principal tributaries are the Paglia, the Nera and the Anio or Teverone, and it is generally navigable by boats up to the confluence of the Nera, a distance of 104 m., though, owing to the rapidity of the current, there is very little navigation above Rome.

The chief tributaries of the lake on the U.S. side are Thunder bay river, Au Sable river and Saginaw river.

Of the tributaries to the Delaware river the northernmost is Flat Brook, 25 m.

On account of the rapid fall of its tributaries, the union of so many of them with the main stream near its middle course and the obstructions to the flow of the water in the lower course, the Passaic is subject to disastrous floods.

The chief tributaries of the Murray are the Darling and the Murrumbidgee, which is joined by the Lachlan.

In its upper course the Darling receives numerous tributaries.

Those on the right bank all come from Queensland and bring down enormous volumes of water in flood time; on the left bank the most important tributaries are the Gwydir, Namoi, Castlereagh, Bogan and Macquarie.

On the north the district is watered by the Godavari and its tributaries the Prawara and the Mula; on the north-east by the Dor, another tributary of the Godavari; on the east by the Sephani, which flows through the valley below the Balaghat range; and in the extreme south by the Bhima and its tributary the Gor.

Lagoons fringe the lower course of the Pruth and the coast of the Black Sea, and marshy ground exists beside the Reuth and other tributaries of the Dniester.

It sinks lowest where the estuary of the Humber gathers in its main tributaries, and the greater part of the surface is covered with recent alluvial deposits.

The Thames is the one great river of the division, rising on the Jurassic Belt, crossing the Chalk country, and finishing its course in the Tertiary London Basin, towards which, in its prevailing west-to-east direction, it draws its tributaries from north and south.

The trout-fishing in the upper Thames and many of its tributaries (such as the Kennet, Colne and Lea) is famous.

Both the main streams and the smaller tributaries often flow through deep canyons.

On arriving in the Peiho he was given to understand that he could only be admitted to the emperor's presence on condition of performing the ko-tou (kow-tow), a ceremony which Western nations consider degrading, and which is, indeed, a homage exacted by a Chinese sovereign from his tributaries.

Beyond, once more beyond, spreads the Scythian steppe, not the dead level of Lombardy, but an expanse of long low modulations, which would be reckoned hills in our home counties, seamed by long shining ribbons, which mark the courses of the tributaries of the Terek..

Arid upland plains and parched hillsides take the place of the rich verdure and luxuriant arborescent growth of Imeretia, Svanetia and Mingrelia, the districts which occupy the valleys of the Ingur and Rion and the tributaries of the latter.

The Lyakhva and Aragva, tributaries of the Kura, carry off the waters of the main range south of Kasbek, and other tributaries, such as the Yora and the Alazan, collect the surplus drainage of the main Caucasus range farther east.

The first station was founded in February 1880 at Vivi, and before returning to Europe in August 1884 Mr Stanley had established twenty-two stations on the Congo and its tributaries.

A conventional basin of the Congo was defined, which comprised all the regions watered by the Congo and its affluents, including Lake Tanganyika, with its eastern tributaries, and in this conventional basin it was declared that "the trade of all nations shall enjoy complete freedom."

For a description of its course, and a list of its principal tributaries see Italy.

All along its course from Chivasso (below Turin) down to the delta the river is connected with several of its tributaries by canals, and at the same time other canals connect the tributaries and carry off their waters and the waters of the Po purely for purposes of irrigation.

The Abai has many tributaries.

The right-hand tributaries, rising mostly on the western sides of the plateau, have steep slopes and are generally torrential in character.

The Chiers, the Semois, the Lesse, the Sambre, the Ourthe and the Roer are its most important tributaries.

In the northern districts the rivers run along the valleys, receive the drainage from the country on !l either side, absorb broad tributaries and rush forward with an ever-increasing volume.

It receives a number of tributaries, sends off several offshoots, and is navigable throughout the year by native cargo boats of the largest size.

Among its many tributaries in Backergunje the most important is the Kacha, itself a considerable stream and navigable by large boats all the year round, which flows in a southerly direction for 20 m., when it falls into the Baleswar.

Many interesting mammalian fossils, rhinoceros, mammoth, &c., with palaeolithic implements, have been found in the valley gravels of the river Ouse and its tributaries.

It is fed by many tributaries, which rise in the Carpathians as mountain torrents, growing broad and sluggish as they flow south-eastward through the central Rumanian plain.

Its chief Rumanian tributaries are the Basheu (Baseii) and Jijia, rivers of the north.

These mountains separate the southern half of the department, which comprises the basin of the Ardeche, from the northern half which is watered by numerous smaller tributaries of the Rhone, the chief of which are the Erieux and the Doux.

Nearly one half its area lies south-east of the Andes and consists of extensive llanos and forested plains, traversed by several of the western tributaries of the Amazon and Orinoco.

The principal tributaries are the Piendamo, Ovejas, Palo, Amaime and Nechi, from the central Cordillera, of which the last named is the most important, and the Jamundi and a large number of small streams from the Western.

Its principal tributaries, so far as known, are the Tuca, Chire and Casanare.

There are many large tributaries of these rivers in the unexplored regions of south-eastern Colombia, but their names as well as their courses are still unsettled.

Farther north, on the open llanos of the Orinoco tributaries, the year is divided into equal parts, an alternating wet and dry season, the sun temperatures being high followed by cool nights, and the temperatures of the rainy season being even higher.

These plains include the extensive llanos of the Orinoco tributaries where coarse, hardy grasses and occasional clumps of palms are almost the only vegetation to be seen.

On the other hand, a luxuriant forest growth covers a very large part of the republic, including the southern plains of the Amazon tributaries, the foothills, slopes and valleys of the Cordilleras, a larger part of the northern plains, and the whole surface of the Western Cordillera and coast.

The rubber-producing Hevea guayanensis is found in abundance on the Amazon tributaries, and the Castilloa elastica is common to all the Caribbean river valleys.

The open plains, "mesas," and plateaus of the north support large herds of cattle, and several cattle ranches have been established on the Meta and its tributaries.

Details will be found in his Narrative of an Expedition to the Zambesi and its Tributaries, published in 1865.

Below the Groote the Gouritz receives no important tributaries and enters the Indian Ocean at a point 20 m.

Owing, however, to the very variable permeability of the strata, the tributaries of the Thames, when separately gauged in dry seasons, yield the most divergent results.

The rainfall which produces, as the average of all the tributaries in the larger area, 300 cub.

It is, next to the Kagera, the largest of the lake tributaries.

The chief tributaries of the Snake river in Oregon are the Grand Ronde, Powder, Burnt, Malheur and Owyhee rivers.

These territories, with the exception of Cutch, have an historical connexion, as being the allies or tributaries of the gaekwar in 1805, when!

The central and southern parts are drained by the Usutu and other tributaries of the Maputa; the northern region by the Komati and the Umbelozi.

The larger streams flow in a general south-westerly direction, and the greater part of the state is drained into the Ohio through the Wabash river and its tributaries.

Its principal tributaries are the Salamanie, Mississinewa, Wild Cat, Tippecanoe and White rivers.

In the extreme southwest is the valley of the Cimarron, and along the south boundary is a network of the south tributaries of the Arkansas.

Magnesian limestone, or dolomite, is especially plentiful along the Blue, Republican and Neosho rivers and their tributaries.

In America, the French settlers in Canada and the English settlers on the Atlantic coast were falling to blows for the possession of the vast territories drained, by the Ohio and its tributaries.

The tributaries of the Tocantins, called the Maranhao and Parana-tinga, collect an immense volume of water from the highlands which surround them, especially on the south and south-east.

The Chapare, Secure and Chimore, tributaries of the Mamore, are navigable for launches up to the base of the mountains, to within 130 m.

From the northern slope of its basin the Amazon receives many tributaries, but their combined volume of water is not nearly so great as that contributed to the parent stream by its affluents from the south.

Its two upper main tributaries are the Urariquira and the Takutu.

It rises on the Ecuadorian tableland, where a branch from the valley of Riobamba unites with one from the Latacunga basin and breaks through the inland range of the Andes; and joined, afterwards, by several important tributaries, finds its way south-east among the gorges; thence it turns southward into the plains, and enters the Amazon at a point about 60 m.

A few settlements on the banks of the main river and some of its tributaries, either for trade with the Indians or for evangelizing purposes, had been founded by the Portuguese pioneers of European civilization.

Tributaries of the Mescala drain the western quarter of the state, among which is the Atoyac or headstream of the Mescala, which rises in Tlaxcala, and flows across the state of Puebla.

The largest of the Pacific coast streams is the Tehuantepec, which with its many tributaries has an aggregate length of 182 m.

The Rio Verde has its source farther inland and drains the Oaxaca Valley, but its tributaries are small and less numerous.

The western country is more open, with isolated mountain-groups and winding valleys, where the Alpheus with its tributaries the Ladon and Erymanthus drains off in a complex river-system the overflow from all Arcadia.

The most valuable of these are the Fox, the Rock and the upper Wisconsin and its tributaries.

The drainage is westward to the Parana, the rivers being tributaries of the Iguassu, which forms its northern boundary, and of the Uruguay, which forms its southern boundary.

The principal tributaries of the Madre de Dios are the Inambari and Paucartambo, both large rivers, and the Chandless, Marcapata, and Tambopata.

In length and size of its tributaries the Madre de Dios is a more important river than the Beni itself, and is navigable during the wet season to the foot of the Andes, 180 m.

Of the tributaries of the river, the Voronezh, the Khoper, the Medvyeditsa and the Donets are navigable - the Donets having a course of 680 m., and during high water affording access to the government of Kharkov.

On the north and north-east lie the broad plains of Piedmont and Lombardy, traversed by the Po, the chief tributaries of which from the Ligurian Apennines are the Scrivia (Olubria), Trebbia (Trebia) and Taro (Taros).

The Tanaro (Tanarus), though largely fed by tributaries from the Ligurian Apennines, itself rises in the Maritime Alps, while the rivers on the south and south-west of the range are short and unimportant.