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).
Above St Louis, pierces the dunes at flood time and reaches the sea, 50 m.
The clays of the Rolling Downs formation overlie a series of sands and drifts, saturated with water under high pressure, which discharges at the surface as a flowing well, when a borehole pierces the impermeable cover.
The larva pierces the vessels of the plant with sharp processes at the hinder end of its body.
It then pierces through the mountains of northern Herzegovina, traverses the Narenta valley, and runs almost parallel with the coast to Trebinje, Ragusa and the Bocche di Cattaro.
The main line starts from Durban, and passing through Pietermaritzburg (71 m.), Ladysmith (190 m.) and Newcastle (268 m.) pierces the Drakensberg at Laing's Nek by a tunnel 2213 ft.
The Umgavuma which rises in Swaziland and also pierces the Lebombo, joins the Pongola about ten miles above its confluence with the Maputa.
At Sukhi it pierces through the Himalayas, and turns south-west to Hardwar, also a place of great sanctity.
The ichneumon pierces the body of a caterpillar and lays her eggs where the grubs will find abundant animal food.
Long, pierces the Hoosac Mountain in the north-west corner of the state, affording a communication with western lines.
It lies on the western slope of the Chiltern Hills, close to the entrance to a narrow valley which pierces them, and forms one of the highways through them to London, carrying the railway, the Grand Junction Canal, and a main road.
In the west the Darent, flowing north to the Thames below Dartford, pierces the hills north of Sevenoaks, but its waters are collected chiefly from a subsidiary ridge of the Downs running parallel to the main line and south of it, and known as the Ragstone Ridge, from 600 to 800 ft.
The Tekez flows in the mountains, and pierces narrow gorges.
Any one of these soon comes to rest on a host-cell, and either pierces it and empties its contents into its cavity, where the further development occurs (Olpidium), or merely sends in delicate protoplasmic filaments (Rhizophydium) or a short hyphal tube of, at most, two or three cells, which acts as a haustorium, the further development taking place outside the cell-wall of the host (Chytridium).
If the membrane is of some impermeable substance, like gold leaf, the hyphae cannot dissolve its way through, but the tip finds the most minute pore and traverses the barrier by means of it, as it does a stoma on a leaf, We may hence conclude that a parasitic hyphae pierces some plants or their stomata and refuses to enter others, because in the former case there are chemotropically attractive substances present which are absent from the latter, or are there replaced by repellent poisonous or protective substances such as enzymes or antitoxins.
The railway pierces the Credo by a tunnel.
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.
Long, constructed by Adam Clark in 1854, which pierces the castle hill and connects the quarter known as the Christinenstadt with the Danube.
It may be added that in the Oreodontidae the vertebral artery pierces the transverse processes of the cervical vertebrae in the normal manner.
Towards the north a narrow mouth gives entry to the Limfjord, or Liimfjord, which, wide and ramifying among islands to the west, narrows the east and pierces through to the Cattegat, thus isolating the counties of Hjorring and Thisted (known together as Vendsyssel).
At the opposite or northwestern angle, the Indus in like manner pierces the Himalayas, and turns southwards on its course through the Punjab.
At this point, where it pierces a range of limestone hills, the course of the river is very picturesque, fringed as it is by cliffs which rise woo ft.
Long), which flows first northeastwards in a fertile longitudinal valley, and then, bending suddenly to the east, pierces the above-mentioned volcanic chain.
Long) pierces the Katun Alps, and enters a wider valley, lying at an altitude of from 2000 to 3500 ft., which it follows until it emerges from the Altai highlands to join the Biya in a most picturesque region.
The Olt pierces the Carpathians, by way of the Rothenthurm Pass, and forms the boundary of Little (i.e.
Rising in the Warm Bokkeveld, it pierces the mountains by Mitchell's Pass, flows by the picturesque towns of Ceres and Worcester, and receives, beyond the last-named place, the waters which descend from the famous Hex River Pass.
Crossing the Little Karroo, it is joined from the east by the Olifants (115 m.), a stream which rises in the Great Karroo, being known in its upper course as the Traka, and pierces the Zwarteberg near its eastern end.
It rises in the Sneeuwberg north-west of Graaff Reinet, flows south-east through one of the most fertile districts of the Great Karroo, which it pierces at the western end of the Zuurberg (of the coast chain), and reaches the ocean in Algoa Bay.
Above the sea, and at Cyphergat, where it pierces the Stormberg, 204 m.
The chief navigable river of Servia is the Danube, which enters the country at Belgrade and pierces the Transylvanian Alps by way of the Kazan (i.e.
The sea pierces the islands in deep fjords, or separates them by narrow inlets through which tidal currents set with great violence, at speeds up to seven or eight knots an hour; and, as communications are maintained almost wholly by boat, the natives have need of expert watermanship. There are several lakes in which trout are abundant, and char also occur; the largest is Sdrvaag Lake in Vaagd, which is close to the sea, and discharges into it by a sheer fall of about 160 ft.
The railway pierces the nek by a tunnel 2213 ft.
Through the Hasli valley, forming on the way the magnificent waterfall of the Handegg (151 ft.), past Guttannen, and pierces the limestone barrier of the Kirchet by a grand gorge, before reaching Meiringen, situated in a plain.
Its duct leaves the inferior anterior angle, at first descends a little, and runs forward under cover of the rounded inferior border of the lower jaw, then curves up along the anterior margin of the masseter muscle, becoming superficial, pierces the buccinator, and enters the mouth by a simple aperture opposite the middle of the crown of the third premolar tooth.
Between the gaps of the river Aisen and river Cisnes or Frias, which also pierces the chain, is found a huge mountain mass, in which is situated Mount la Torre (7150 ft.).
From Territet there is a mountain railway past Glion and Caux nearly to the top of the Rochers de Naye (6710 ft.), while from Vernex the MontreuxBernese-Oberland railway mounts past Les Avants, pierces the ridge of the Col de Jaman by a tunnel, and so reaches (14 m.) Montbovon in the Gruyere portion of the upper Sarine valley.