Teeth sentence example
She had teeth, fingernails and a healthy kick.
He finished brushing his teeth, rinsed his mouth and then wiped it.
Put your teeth in and let's get going.
He began working at his teeth with a toothpick.
Jenn grated her teeth.Advertisement
The teeth are large, white and strong.
The tongue is so serviceable a member (taking all sorts of shapes, just as is wanted),--the teeth, the lips, the roof of the mouth, all ready to help, and so heap up the sound of the voice into the solid bits which we call consonants, and make room for the curiously shaped breathings which we call vowels!
She gritted her teeth, hating the fact he had open access to her thoughts and worse—he could respond to them!
One smiled coldly, revealing its sharpened teeth, while another was the first to take a step towards her.
Rhyn said through clenched teeth with a look of distaste.Advertisement
Her teeth chattered and her body felt so hot she wanted to scream.
I asked what was the matter, and she said, "Much (many) teeth do make Nancy sick."
We talked of rude and simple times, when men sat about large fires in cold, bracing weather, with clear heads; and when other dessert failed, we tried our teeth on many a nut which wise squirrels have long since abandoned, for those which have the thickest shells are commonly empty.
It was like he had a check list of what parents were supposed to do, and he filled in all the little blocks—middle-class home, straight teeth, and a college education—figured that was the extent of his obligations to us.
Jenn gritted her teeth.Advertisement
The Watcher clenched his teeth, green eyes flaring with light and spinning before he regained his temper.
Jule hissed through his teeth and more blood bubbled up, but the lodged arrow refused to move.
But the wolf jumped up more quickly than anyone could have expected and, gnashing her teeth, flew at the yellowish borzoi, which, with a piercing yelp, fell with its head on the ground, bleeding from a gash in its side.
The devil left, and an angry Talon hauled her up, sinking his teeth into her arm again.
He grated his teeth to see Darian's number on the screen.Advertisement
When she returned fully dressed and armed to the teeth, he held out his hand.
This is exactly the kind of problem geneticists can sink their teeth into, so to speak, to make the protein in this grain digestible.
Suddenly a smallish dog seized my left thigh with its teeth and would not let go.
He was gray, you remember, and had white teeth, and stood and looked at us...
Of course I do, I remember his teeth as if I had just seen them.Advertisement
He sank his teeth into someone and never let go, until they were in Hell.
It yellows their teeth, makes their breath smell like a trash can, and ruins their health.
His teeth were white in the reflection of the flashlight.
If she hadn't noticed the blow soon enough, she'd have no teeth.
Jenn placed the blade of a knife between her teeth and pried the window of her bathroom open.
She saw his upper lip swell as his teeth grew, stimulated by lust.
Jenn splashed water on her face and brushed her teeth quickly.
Jenn gritted her teeth against it as her body mended itself.
Jenn grated her teeth and climbed to her feet, wishing Bianca was there for another of her healing charges.
He pumped his arms hard, ignoring the cries of three men as they fell into pits or were snapped up by traps with iron teeth.
Gritting her teeth, she ran the dagger down the scar already present at the inside of her forearm, grunting at the hot pain.
She grated her teeth, sensing the truth in his words.
He gritted his teeth, not wanting to think of how long she'd cut herself to gather so much.
She had an oversized lollipop in her hand and her two front teeth had been colored out.
He leaned down to kiss her lips and she bared clenched teeth.
She spoke through clenched teeth and her tone must have been convincing because he looked scared.
She ground her teeth.
He whistled softly through his teeth.
Her teeth were already chattering.
She shivered until her teeth chattered.
His teeth sparkled a smile in the candlelight.
Her face warmed again as she realized she had been pulling her upper lip down over her teeth.
She glared at him, speaking through clenched teeth.
He couldn't control the surge of adrenaline he experienced whenever he thought of sinking his teeth into his father's neck and draining his life from him, the way his father drained his mother's life.
His teeth grew in response.
Jessi gritted her teeth and forced a smile.
He said no more but bared his teeth.
His teeth shortened and turned normal as she watched.
The words were spoken with effort through his clenched teeth, as if the admittance was a personal insult.
They were the same shade of white as the rest of his teeth and seemed a natural extension from his gums.
They were even with the teeth around them, as if his incisors had just …grown.
She grated her teeth at the reminder.
Charles bared his teeth in a look of extreme displeasure.
Xander lowered his head, burying his teeth into Charles' throat.
The molar teeth are six in number on each side, increasing in size from before backwards, and, as in the elephants, with a horizontal succession, the anterior teeth being lost before the full development of the posterior ones, which gradually move forward, taking the place of those that are destroyed by wear.
This process is, however, less fully developed than in elephants, and as many as three teeth may be in place in each jaw at one time.
The mode of succession of the teeth in the mastodons exhibits so many stages of the process by which the dentition of elephants has been derived from that of more ordinary mammals.
Mastodons have fewer ridges on their molar teeth than elephants; the ridges are also less elevated, wider apart, with a thicker enamel covering, and scarcely any cement filling the space between them.
These teeth are distinguished as "intermediate" molars.
Remains of the wild cat occur in English caverns; while from those of Ireland (where the wild species has apparently been unknown during the historic period) have been obtained jaws and teeth which it has been suggested are referable to the Egyptian rather than to the European wild cat.
In all cases a more or less full series of teeth is developed, these being differentiated into incisors, canines, premolars and molars, when all are present; but only a single pair of teeth in each jaw has deciduous predecessors.
In others, as the thylacine, it is rudimentary, being shed or absorbed before any of the other teeth have cut the gum, and therefore functionless.
In addition to this replacement of a single pair of functional teeth in each jaw, it has been discovered that marsupials possess rudimentary tooth-germs which never cut the gum.
The short period of this evolution is at least one factor in the primitive grade of even the most specialized members of the group. In the advance of their molar teeth from a tritubercular to a grinding type, the author traces a curious parallelism between marsupials and placentals.
From the number of its cheek-teeth, the banded ant-eater has been regarded as related to some of the primitive Jurassic mammals; but this view is disputed by Mr Bensley, who regards this multiplicity of teeth as a degenerate feature.
Myrmecobius has a total of 52 or 54 teeth, which may be classed as i., c.
The three pairs of molars in each jaw are, like the last premolar, quadritubercular oblong teeth.
The cheek-teeth strongly curved, forming from the base to the summit about a quarter of a circle, the concavity being directed outwards in the upper and inwards in the lower teeth.
The molar-like teeth slightly diminishing in size from the first to the fourth, with square crowns, each bearing four pyramidal cusps.
The functional teeth are reduced to one From Flower, Quart.
All the other teeth are simple, conical, minute and placed at considerable and irregular intervals apart in the jaws, the number appearing to vary in different individuals and even on different sides of the jaw of the same indi viduals.
There seems to have been a replacement of some of these teeth; and it has been suggested that this was of the marsupial type.
It may be added that the division of these teeth into premolars and molars in figs.
The opossums of America are marsupials, though not showing anomalies as great as kangaroos and bandicoots (in their feet), and Myrmecobius (in the number of teeth).
Girls, too, were scarred at puberty and had teeth knocked out, &c. The ceremonies - known to the Whites under the native generic term for initiatory rites, Bora - were much the same throughout Australia.
The ovary, three-celled at first, but becoming one-celled and one-seeded by abortion, is surmounted by an inconspicuous perianth with six small teeth.
The worm inhabits the lung of the frog and toad, and is hermaphrodite (Schneider) or parthenogenetic (Leuckart); the embryos hatched from the eggs find their way through the lungs into the alimentary canal and thence to the exterior; in a few days they develop into a sexual larva, called a Rhabditiform larva, in which the sexes are distinct; the eggs remain within the uterus, and the young when hatched break through its walls and live free in the perivisceral cavity of the mother, devouring the organs of the body until only the outer cuticle is left; this eventually breaks and sets free the young, which are without teeth, and have therefore lost the typical Rhabditis form.
Sometimes, especially in the case of overhead travelling cranes for very heavy loads, the chain is a special pitch chain, formed of flat links pinned together, and the barrel is reduced to a wheel provided with teeth, or " sprockets," which engage in the links.
The toothed wheels give a slightly better efficiency, but the worm gear is somewhat smoother in its action and entirely silent; the noise of gearing can, however, be considerably reduced by careful machining of the teeth, as is now always done, and also by the use of pinions made of rawhide leather or other non-resonant material.
Worm wheel gearing is of very high efficiency if made very quick in pitch, with properly formed teeth perfectly lubricated, and with the end thrust of the worm taken on ball bearings.
The food of the camel consists chiefly of the leaves of trees, shrubs and dry hard vegetables, which it is enabled to tear down and masticate by means of its powerful front teeth.
Often the bones, teeth and scales of fishes are to FIG.
The bone-bed of Axmouth in Devonshire and Westbury and Aust in Gloucestershire, in the Penarth or Rhaetic series of strata, contains the scales, teeth and bones of saurians and fishes, together with abundance of coprolites; but neither there nor at Lyme Regis is there a sufficient quantity of phosphatic material to render the working of it for agricultural purposes remunerative.
The most important result is the proof that, until the end of the Cretaceous epoch, most, if not all, birds were still possessed of teeth.
Probably all birds of Cretaceous age were still possessed of teeth.
Much difference of opinion obtains as to the affinities of these birds, which were far larger than an ostrich; they were undoubtedly incapable of flight and there are indications of teeth in the upper jaw.
Roger Stafford, the impoverished heir male of the ancient Staffords, had been forced to surrender his barony to the king by a deed dated in the preceding year, a piece of injustice which is in the teeth of all modern conceptions of peerage law.
Blenkinsop placed the teeth on the outer side of one of the running rails, and his reason for adopting a rack was the belief that an engine with smooth wheels running on smooth rails would not have sufficient adhesion to draw the load required.
In this case the rack had pin teeth carried in a pair of angle bars.
That of the latter is multiple, several rack-plates being placed parallel to each other, and the teeth break joint at 1, a or 4 of their pitch, according to the number of rack-plates.
On such lines the beginning of a rack section is provided with a piece of rack mounted on springs, so that the pinions of the engine engage smoothly with the teeth.
The Locher rack, employed on the Mount Pilatus railway, where the steepest gradient is nearly I in 2, is double, with vertical teeth on each side, while in the Strub rack, used on the Jungfrau line, the teeth are cut in the head of a rail of the ordinary Vignoles type.
The fossil remains which have been discovered in Britain are not larger than, nor in any way to be distinguished from, the corresponding bones and teeth of European wolves of the present day.
Tremors of the muscles more or less violent accompany the cold sensations, beginning with the muscles of the lower jaw (chattering of the teeth), and extending to the extremities and trunk.
It is almost made up of fragments of spines, teeth and scales of ganoid fish.
The radular teeth are of several different kinds in each transverse row.
The radula has 160 rows of teeth with twelve teeth in each row.
Radula with very numerous marginal teeth arranged like the rays of a fan.
The odontophore also is remarkably developed, its lateral teeth being mobile, and it serves as an efficient organ for attacking the other pelagic forms on which the Heteropoda prey.
Shell solid, piriform, with thick folded columella; lateral teeth of radula bicuspidate.
Shell elongated, with long siphon; lateral teeth of radula multicuspidate.
The Pulmonata have a straight visceral nerve-loop, usually no operculum even in the embryo, and a multidenticulate radula, the teeth being equi-formal; and they are hermaphrodite.
Radula with elongated and pointed teeth, like those of the Agnatha; a jaw present.
Shell external, smooth, heliciform or flattened; radula with pointed marginal teeth.
No shell; mantle covers the whole surface of the body; radula with squarish teeth.
Shell internal, or absent; mantle restricted to the anterior and middle part of the body; radula with squarish teeth.
Shell bulimoid, dextral or sinistral; radular teeth, expanded at their extremities and multicuspidate.
No jaws; teeth narrow and pointed; carnivorous.
The dentition normally comprises the typical series of 44 teeth, although in some instances the first premolar is wanting.
Two years more and the originally found Hesperornis was discovered also to have teeth, but these were inserted in a groove.
In the author's concluding summary he remarks on the fact that, while the Odontolcae, as exhibited in Hesperornis, had teeth inserted in a continuous groove - a low and generalized character as shown by reptiles, they had, however, the strongly differentiated saddle-shaped vertebrae such as all modern birds possess.
On the other hand the Odontotormae, as exemplified in Ichthyornis, having the primitive biconcave vertebrae, yet possessed the highly specialized feature of teeth in distinct sockets.
The mouth is wide, armed above and below with a row of very small fixed teeth.
In the 13th century it became necessary for the legists to codify, as it were, the unwritten law, because the upheavals of the times necessitated the fixing of some rules in writing, and especially because it was necessary to oppose a definite custom of the kingdom to Frederick II., who sought, as king of Jerusalem, to take advantage of the want of a written law, to substitute his own conceptions of law in the teeth of the high court.
Theobald was followed (1240-1241) by Richard of Cornwall, the brother of Henry III., who, like his predecessor, had to sail in the teeth of papal prohibitions; but neither of the two achieved any permanent result, except the fortification of Ascalon.
Trusting in Hildebrand's support, and in the justice of his own cause, he presented himself at the synod of Rome in 1059, but found himself surrounded by zealots, who forced him by the fear of death to signify his acceptance of the doctrine " that the bread and wine, after consecration, are not merely a sacrament, but the true body and the true blood of Christ, and that this body is touched and broken by the hands of the priests, and ground by the teeth of the faithful, not merely in a sacramental but in a real manner."
The full series of forty-four teeth was developed; and the upper molars were short-crowned, or brachyodont, with six low cones, two internal, two intermediate.
Teeth and jaws probably referable to the Condylarthra have been obtained in European early Tertiary formations.
In the adult of both sexes there are only two teeth, both in the upper jaw, which lie horizontally side by side, and in the female remain throughout life concealed in cavities of the bone.
The upper teeth projecting beyond the under.
There are but three pairs of incisor teeth in each jaw, and the upper molars are tricuspid.
It is represented by a nearly complete skeleton, and has doublycurved horns and sheep-like teeth.
In the Hippoidea there is generally the full series of 44 teeth, but the first premolar, which is always small, is often deciduous or even absent in the lower or in both jaws.
In the earlier short-crowned forms these teeth are unlike the molars, and the first of the series is separated by a gap from the second.
In both jaws there is a long space between the canines and the commencement of the teeth of the cheek-series, which are all in contact.
In the Amynodontidae, represented by the North American Middle Eocene Amynodon and Metamynodon, the premolars may be either 4 or g, making the total number of teeth either 44 or 40.
The middle valley is often intersected by vertical "crista" and "crochet" plates projecting into it from the anterior surface of the posterior transverse ridge or from the wall, the development of which is a useful guide in discriminating species, especially those known only by teeth and bones.
Next we have the living African species, representing the subgenus Diceros, in which there are two horns but no front teeth.
Nearly allied is Neophocaena phocaenoides, a small species from the Indian Ocean and Japan, with teeth of the same form as those of the porpoise, but fewer in number (eighteen to twenty on each side), of larger size, and more distinctly notched or lobed on the free edge.
The struggle of the working man helping himself with his empty pockets against the capitalists he compared to a battle with teeth and nails against modern artillery.
That done, the field was to be sown with the dragons' teeth brought by Phrixus, from which armed men were to spring.
A kind of vulcanite which contains a large proportion of vermilion or other mineral pigment is used, under the name of dental rubber, for making artificial gums and supports for artificial teeth.
The ventral valve in many of the genera is provided with two curved hinge-teeth, which fit into corresponding sockets in the opposite valve, so that the valves cannot be separated without breaking one of the teeth.
Owing to the strong and tight interlocking of the valves by the means of curved teeth FIGS.
In the Testicardines, where no such sliding action of the valves was necessary or possible, no muscles for such an object were required, consequently none took rise from the lateral portions of the valves as in Lingula; but in an extinct group, the Trimerellidae, which seems to be somewhat intermediate in character between the Ecardines and Testicardines, have been found certain scars, which appear to have been produced by rudimentary lateral muscles, but it is doubtful (considering the shells are furnished with teeth, though but rudely developed) whether such muscles enabled the valves, as in Lingula, to move forward and backward upon each other.
These pits are not isolated, but are connected by an ectodermal ridge, which grows in at the margin of the mantle and forms a continuous band somewhat resembling the ectodermal primordium of vertebrate teeth.
As for most penitents, all they cared for was to scrape through by the skin of their teeth.
The skull is conical, stout and heavy, and the teeth, although sharper and less rounded than those of badgers, are less suited to a carnivorous diet than those of stoats, weasels and martens.
The two ratels may be distinguished by the fact that the African species has a distinct white line round the body at the junction of the grey of the upper side with the black of the lower, while in the Indian this line is absent; the teeth also of the former are larger, rounder and, heavier than those of the latter.
They differ from the other American monkeys in having one pair less of molar teeth in each jaw.
Their eastern boundary, in the teeth of the spirit of the conventions, and with but scant observance of the letter, was by this means considerably extended.
Brand had arranged, in the teeth of the strongest protests from Kruger, that the Cape railway should extend to Bloemfontein and subsequently to the Vaal river.
His nose is not only the flattest, but also the smallest among the IndoChinese; his eyes are rarely oblique; his mouth is large and his lips thick; his teeth are blackened and his gums destroyed by the constant use of the betel-nut, the areca-nut and lime.
Should one of these teeth be destroyed the opposed one loses its natural means of attrition and becomes a remarkable, curved tusk-like elongation.
From atrophy of their roots, caused by the pressure of the growing permanent teeth, the " milk teeth " in children become loose and are cast off.
As in the other typical South American edentates, there are no teeth in the front of the jaws, while those of the cheek-series usually comprise five pairs in the upper and four in the lower.
In nearly all the other Pleistocene forms these teeth were subcylindrical in shape, with the summit of the crown (except sometimes in the first pair) forming a cup-like depression; enamel being in all cases absent.
Although similar teeth occur in the phosphorite beds of South Carolina, which may have been transported from elsewhere, no undoubted remains of Megatherium are known from North America.
For certain small ground-sloths from Patagonia with Megatherium- like teeth, see MYLODON.
These attachments, first invented by Jeremiah Howard, and described in the United States Patent Journal in 1858, are simply hydraulic rams fitted into the side or top caps of the mill, and pressing against the side or top brasses in such a manner as to allow the side or top roll to move away from the other rolls, while an accumulator, weighted to any desired extent, keeps a constant pressure on each of the rams. An objection to the top cap arrangement is, that if the volume or feed is large enough to lift the top roll from the cane roll, it will simultaneously lift it from the megass roll, so that the megass will not be as well pressed as it ought to be;' and an objection to the side cap arrangement on the megass roll as well as to the top cap arrangement is, that in case more canes are fed in at one end of the rolls than at the other, the roll will be pushed out farther at one end than at the other; and though it may thus avoid a breakdown of the rolls, it is apt, in so doing, to break the ends off the teeth of the crown wheels by putting them out of line with one another.
Unlike the Bovinae, there are frequently glands in the feet; and the upper molar teeth differ from those of that group in their narrower crowns, which lack a distinct inner column.
Zinc chloride solution readily dissolves the oxide with the formation of oxychlorides, some of which are used as pigments, cements and for making artificial teeth.
V is therefore a voiced labio-dental spirant, the breath escaping through a very narrow slit between the lower lip and the upper teeth.
The tip of the proboscis is armed with a complicated series of chitinous teeth and rasps, by means of which the fly is enabled to pierce the skin of its victim; as usual in Diptera the organ is closed on the upper side by the labrum, or upper lip, and contains the hypopharynx or common outlet of the paired salivary glands, which are situated in the abdomen.
Cotton yarn and cloth, petroleum, timber and furs are among the chief imports; copper, tin, hides and tea are important exports; medicines in the shape not only of herbs and roots, but also of fossils, shells, bones, teeth and various products of the animal kingdom; and precious stones, principally jade and rubies, are among the other exports.
Its characteristics are exceptional tallness combined with slenderness and elegance of figure; a face somewhat long, without any special prominence of the cheekbones but having more or less oblique eyes; an aquiline nose; a slightly receding chin; largish upper teeth; a long neck; a narrow chest; a long trunk, and delicately shaped, small hands with long, slender fingers.
The sound was that of the unvoiced dental stop. The English t, however, is not dental but alveolar, being pronounced, as d also, not by putting the tongue against the teeth but against their sockets.
The Indian t, however, is probably produced still farther from the teeth than is the English sound.
Though represented in English by two symbols this is a single sound, which may be either interdental or, as frequently in English, produced "by keeping the tongue loosely behind the upper front teeth, so that the breath escapes partly between the tongue and the teeth, and partly, if the teeth are not very closely set, through the interstices between them" (Jespersen).
He was a descendant of Udaeus, one of the men who had sprung up from the serpent's teeth sown by Cadmus.
They may be characterized as very elongated reptiles without limbs (unless with tiny vestiges of posterior limbs), without eyelids and external ear openings, with the teeth anchylosed to the supporting bones, a bifid slender tongue which is telescoped into its basal half, and with a transverse vent.
More detail concerning skull, scales and teeth will be found in the diagnostic descriptions of the various families (vide infra); for further anatomical information the reader is referred to the article Reptiles (Anatomy).
They have a cylindrical rigid body, covered with generally smooth and polished scales; a short strong tail; a short rounded or pointed head with narrow mouth; teeth few in number; small or rudimentary eyes; no abdominal scutes or only narrow ones.
Snakes possess teeth in the maxillaries, mandibles, palatine and pterygoid bones, sometimes also in the intermaxillary; they may be absent in one or the ether of the bones mentioned.
In the innocuous snakes the teeth are simple and uniform in structure, thin, sharp like needles, and bent backwards; their function consists merely in seizing and holding the prey.
In some all the teeth are nearly of the same size; others possess in front of the jaws (Lycodonts) or behind in the maxillaries (Diacrasterians) a tooth more or less con spicuously larger than the rest; whilst others again are distinguished by this larger posterior tooth being grooved along its outer face.
One or more small ordinary teeth may be placed at some distance behind this poison-fang.
It is absorbed by the conjunctiva, but, excepting cobra poison, not by the mouth or alimentary canal, provided there be no hollow teeth and no abrasions.
Teeth are carried in both jaws.
Sharp, recurved teeth are carried by the mandibles, the pterygoids, palatines, maxillaries, and in the Pythoninae by the premaxillaries also.
The premaxilla generally carries a few small teeth.
One or more of the posterior maxillary teeth are grooved.
The anterior maxillary teeth are grooved or "perforated."
The maxillary and dentary bones carry teeth on their whole length.
Characterized by possessing only a few teeth, on the posterior part of the maxillaries, on the palatines and Coronelline Nymphophidium, the same effect is reached by two prominences at the base of the skull.
In another, probably also egg-eating snake, the Indian teeth, hence the term "proteroglypha," which is intended to mean that the anterior teeth are grooved.
Viperidae.-The maxillaries are very short, movably pivoting upon the prefrontals and also attached to the ectopterygoids, so that they can be erected together with the large poison fangs, which, besides reserve teeth, are the only maxillary teeth.
There are also teeth on the palatines, anterior portion of the pterygoids, and on the short dentaries.
The supply of reserve teeth is indefinite; frequently one or two are lying ready and of equal size to the functional fangs.
Their mouth is of moderate width, oblique, and armed with small but firmly set teeth.
Probably no extinct animal has left such abundant evidence of its former existence; immense numbers of bones, teeth, and more or less entire carcases, or " mummies," as they may be called, having been discovered, with the flesh, skin and hair in situ, in the frozen soil of the tundra of northern Siberia.
It is chiefly by the characters of the molar teeth that the various extinct modifications of the elephant type are distinguished.
The cheek teeth are short crowned (brachyodont), with the tubercles more or less completely fused into transverse ridges, or cross-crests (lophodont type); and the total number of teeth is in one case the typical 44, but in another is reduced below this.
The most generalized type is Coryphodon, representing the family Goryphodontidae, from the lower Eocene of Europe and North America, in which there were 44 teeth, and no horn-like excrescences on the long skull, while the femur had a third trochanter.
The full typical series of 44 teeth was developed in each, but whereas in the Periptychidae the upper molars were bunodont and tritubercular, in the Pantolambdidae they have assumed a selenodont structure.
The teeth (when all are present) are differentiated into the usual four series; and milk-teeth, not completely discarded till the full stature is attained, are invariably developed.
Males of the little water-bugs of the genus Corixa make a shrill chirping note by drawing a row of teeth on the flattened fore-foot across a group of spines on the haunch of the opposite leg.
The hinder abdominal segments in the male show a curious asymmetrical arrangement, the sixth segment bearing on its upper side a small stalked plate (strigil) of unknown function, furnished with rows of teeth.
As the commander of a corps he served in the Peninsular War, but his cavalry genius did not shine in the Teeth of the lower and upper jaws of the Sea-wolf.
This ring runs between friction wheels and is provided with teeth on its inner periphery, and these teeth transmit motion to a pinion on a spindle having at its other end another pinion which, through an intermediate wheel, rotates the heliometer tube.
The dredge often brings up large numbers of nodules formed upon sharks' teeth, the ear-bones of whales or turtles or small fragments of pumice or other volcanic ejecta, and all more or less incrusted with manganese oxide until the nodules vary in size from that of a potato to that of a man's head.
The manganese nodules afford the most ample proof of the prodigious period of time which has elapsed since the formation of the red clay began; the sharks' teeth and whales' ear-bones which serve as nuclei belong in some cases to extinct species or even to forms derived from those familiar in the fossils from the seas of the Tertiary period.
The crank shaft carries a pinion which gears into a toothed wheel of a coarse pitch, carrying cutters at the ends of the teeth.
The upper premolar and molar teeth are not alike, the former being single and the latter two-lobed; and the last lower molar of both first and second dentition is almost invariably threelobed.
The primitive Artiodactyla thus probably had the typical number (44) of incisor, canine and molar teeth, brachyodont molars, conical odontoid process, four distinct toes on each foot, with metacarpal, metatarsal and all the tarsal bones distinct, and no frontal appendages.
There is the full series of 44 teeth, generally without any gaps, and most of the bones of the skeleton are separate and complete; while, in many instances at any rate, the tail was much longer than in any existing ungulates, and the whole bodily form approximated to that of a carnivore.
The most interesting genera are, however, the Upper Oligocene and Lower Miocene Gelocus and Prodremotherium, which have perfectly selenodont teeth, and the third and fourth metacarpal and metatarsal bones respectively fused into an imperfect cannon-bone, with the reduction of the lateral metacarpals and metatarsals to mere remnants of their upper and lower extremities.
There is at least one pair of upper incisors, while the full series of 44 teeth may be present.
The short and broad teeth terminate in four subequal toes, protected by short rounded hoofs, and all reaching the ground.
They agree, for instance, with that family in the presence of a descending flange at the hinder end of each side of the lower jaw; but their dentition is of a more generalized type, comprising the full series of 44 teeth, among which the incisors and canines are of normal form, but specially enlarged, and developing roots in the usual manner.
When a shaft is driven by means of gearing the driving torque is measured by the product of the resultant pressure P acting between the wheel teeth and the radius of the pitch circle of the wheel fixed to the shaft.
It may be added that generic subdivisions of the squirrels are based mainly on the characters of the skull and teeth.
In 1677 he described and illustrated the spermatozoa in dogs and other animals, though in this discovery Stephen Hamm had anticipated him by a few months; and he investigated the structure of the teeth, crystalline lens, muscle, &c. In 1680 he noticed that yeast consists of minute globular particles, and he described the different structure of the stem in monocotyledonous and dicotyledonous plants.
In certain species of mylodon the front pair of teeth in each jaw is placed some distance in front of the rest and has the crown surface obliquely bevelled by From Owen.
The skull is shorter and lower than in Megatherium, without any vertical expansion of the middle of the lower jaw, and the teeth also extend nearly to the front of the jaws; both these features being sloth-like.
Another genus has been described from the Pleistocene of Nebraska, as Paramylodon; it has only four pairs of teeth, and an elongate skull with an inflated muzzle.
Beavers are sociable animals, living in streams, where, so as to render the water of sufficient depth, they build dams of mud and of the stems and boughs of trees felled by their powerful incisor teeth.
The beavers carry the mud and stones with their fore-paws and the timber between their teeth.
Besides chipped stone knives, the teeth of rodents, sharks, and other animals served an excellent purpose.
The addition of brilliant ornamentation in shell, teeth, feathers, wings of insects and dyed fibres completed the round of the textile art.
These fossils, which are now in the British Museum, were interpreted by Dr Mantell, who made comparisons with the skeleton of Iguana, on the erroneous supposition that the resemblance in the teeth denoted some relationship to this existing lizard.
The inner surface of their cup-shaped mouth is armed with pointed teeth, with which they perforate the integuments of the fish attacked, scraping off particles of the flesh and sucking the blood.
Mackerel, cod, pollack and flat-fishes are the kinds most frequently attacked by them in the sea; of river-fish the migratory Salmonidae and the shad are sometimes found with the marks of the teeth of the lamprey, or with the fish actually attached to them.
At the base of the Red Crag in East Anglia, and occasionally at the base of the other Pliocene Crags, there is a " nodule bed," consisting of phosphatic nodules, with rolled teeth and bones, which were formerly worked as " coprolites " for the preparation of artificial manure.
The toothed wheel being set in motion, the edge of a card or of a funnel-shaped piece of common notepaper is held against the teeth, when a note will be heard arising from the rapidly succeeding displacements of the air in its vicinity.
For this purpose the axis is furnished at its upper part with a screw working into a toothed wheel, and driving it round, during each revolution of the plate, through a space equal to the interval between two teeth.
If two such flames are placed one under the other they may be excited by different sources, and the ratio of the frequencies may be approximately determined by counting the number of teeth in each in the same space.
He allowed a limited number of teeth on the arc of a circle to strike against a card.
In the region of the mouth the basal segments were armed with teeth and subserved the purpose of mastication.
Berengar in a weak moment in 1059 was forced by the pope to recant and assert that " the true body and blood are not only a sacrament, but in truth touched and broken by the hands of the priests and pressed by the teeth of the faithful," and this position remains in every Roman catechism.
For there is a corporeal chewing, by which food is taken into the mouth by man, bruised with the teeth and swallowed down into the belly..
Teeth variable in number, owing to the suppression in some forms of an upper incisor and one or more premolars.
The teeth of the molar series gradually increase in size and complexity from first to last, and are arranged in contiguous series, except that the first lower premolar is separated by an interval from the second.
In the African wart-hogs (Phacochoerus), which take their name from the large warty lobes projecting from each side of the face, the teeth are remarkably modified.
The milk-dentition, and even the early condition of the permanent dentition, is formed on the same general type as that of Sus, except that certain teeth are absent, the formula being 13 i cl, total 34; but as age advances all the teeth have a tendency to disappear, except the canines and the posterior molars, but these, which in some cases are the only teeth left in the jaws, attain an extraordinary development.
In the European Miocene Listriodon, which also occurs in the Indian Tertiaries, the molars have a pair of transverse ridges, like those of the proboscidean Dinotherium; but the genus is believed to be related to the Oligocene Doliochoerus and Choerotherium, in which these teeth show a more normal type of structure.
Hinge pliodont, that is to say, it has numerous teeth on either side of the umbones and the teeth are perpendicular to the edge.
Parallelodontidae.-Shell as in Arca, but the posterior hinge teeth elongated and parallel to the cardinal border.
Lyrodesmidae.-Extinct; shell inequilateral, posterior side shorter; hinge short, teeth in form of a fan.
Dreissensiidae.-Shell elongated; hinge without teeth;.
Both sexes are devoid of antler appendage; but in this the musk-deer agrees with one genus of true deer (Hydrelaphus), and as in the latter, the upper canine teeth of the males are long and sabre-like, projecting below the chin, with the ends turned somewhat backwards.
Bottlenoses feed on cuttle-fishes and squills, and are practically toothless; the only teeth which exist in the adult being a small pair at the front of the lower jaw, concealed beneath the gum during life.
The dentition is peculiar on account of the great size and complexity of the last upper molar, which is composed of about twelve plates, and exceeds in length the three teeth in front.
The teeth are secreted by a small number of cells at the closed end of the caecum, the basal membrane by a transverse row of cells in front of these.
The teeth are disposed in transverse rows, and in each row they are arranged symmetrically on either side of a central tooth.
Rodents may be characterized as terrestrial, or in some cases arboreal or aquatic, placental mammals of small or medium size, with a milk and a permanent series of teeth, plantigrade or partially plantigrade, and generally five-toed, clawed (rarely nailed or semi hoofed) feet, clavicles or collar-bones (occasionally imperfect or rudimentary), no canine teeth, and a single pair of lower incisors, opposed by only one similar and functional pair in the upper jaw.
The palate is narrow from before backwards, this being especially the case in the hares, where it is reduced to a mere bridge between the premolars; in others, as in the rodent-moles (Bathyerginae), it is extremely narrow transversely, its width being less than that of one of the molar teeth.
In the latter there is only one pair of incisor teeth in the upper jaw, in which the enamel is confined to the front surface.
The Spalacidae are burrowing types, allied apparently to the ancestral Jaculidae, and characterized by the second and third molars being equal in size, the presence of enamel-folds in all these teeth, and the superiority in size of the claws of the second, third and fourth front toes over the other two.
The teeth are nearest to those of the true zokors.
The humerus lacks a foramen at the lower end; and the molar teeth, as explained and illustrated in the article Vole, consist of two longitudinal rows of triangular alternating vertical prisms, and may be either rootless or rooted.
In the typical Australian and Papuan Hydromys, locally known as water-rats, the molars originally have transverse ridges, the enamel folds between which form cutting edges whose sharpness depends upon the degree to which the teeth have been worn, while the large hind feet are webbed.
At least one pair of premolars is present in each jaw; and these teeth and the molars typically have one outer and one inc_e.
In both genera there is only a single pair of premolars in each jaw, but in the smaller Myoscalops there are usually three pairs of these teeth.
It is suggested that these teeth may have been employed for cracking nuts or hard seeds; although also used for grinding.
The silk to be opened is placed on a latticed sheet or feeder, and thus slowly conveyed to a series of rollers or porcupines (rollers set with rows of projecting steel pins), which hold the silk firmly while presenting it to the action of a large receiving drum, covered with a sheet of vulcanized rubber, set all over with fine steel teeth.
As the drum revolves at a good speed, the silk is drawn by the steel teeth through the porcupines into the drum in more or less straight and parallel fibres.
When the teeth are full the machine is stopped, and the silk stripped off the drum, then presenting a sheet-like appearance technically known as a " lap."
The lap is taken to the filling engine, which is similar in construction and appearance to the opener as far as the feeding arrangements are concerned, but the drum, in place of being entirely covered with fine steel teeth, is spaced at intervals of from 5 to to in.
The silk drawn by the rows of teeth on the drum through the porcupine rollers (or porcupine sheets in some cases) covers the whole of the drum, hooked at certain intervals round the teeth; and when a sufficient weight is on the machine, it is stopped, and an attendant cuts, with a knife, the silk along the back of each row of teeth, thus leaving a fringe of silk hooked on the pins or teeth.
This fringe of silk is placed by the attendant between two hinged boards, and whilst held firmly in these boards (called book-boards) is pulled off the machine, and is called a " strip "; the part which has been hooked round the teeth is called the " face," and the other portion the " tail."
This drum revolves slowly, and in its revolution conveys the fringes of silk past two quickly running smaller combing drums. These combing drums being covered with fine steel teeth penetrate their combs through the fringes of silk depending from the large drum, thus combing through the silk.
First the filled silk is placed into a holding receptacle, clamped fast, and presented to combing teeth.
These teeth retain a certain proportion of shorter fibre and rough places and tangled portions of silk, which are taken off the combs in a book-board or wrapped round a stick and again presented to the combs.
The flat frame is the most gentle in its usage of the silk, but is most costly in labour; whilst the circular frame, being more severe in its action, is not suitable for the thoroughly degummed silks, but on the other hand is best for silks containing much wormy matter, because the silk hanging down into the combing teeth is thoroughly cleansed of such foreign matter, which is deposited under the machine.
The teeth form a continuous even series, the small canines being crowded between the incisors and premolars; the crowns of the cheek-series are tall (hypsodont), with a distinctive pattern of their own.
Their hair is dark brown or black, straight, wavy or curly; the beard is thin, the face broad, the profile not prominent, the eyes large and expressive, the nose somewhat flattened, the lips thick, the teeth excellent in shape and of a pearly whiteness.
The more typical members of the genus are terrestrial in their habits, and their cheek-teeth have nearly the same pattern as in rhinoceroses; while the interval between the upper incisors is less than the width of the teeth; and the lower incisors are only slightly notched at the cutting edge.
In a second section the molar teeth have the same pattern as in Palaeotherium (except that the third lower molar has but two lobes); the interval between the upper incisors exceeds the width of the teeth; and the lower incisors have distinctly trilobed crowns.
These are regarded as representing a distinct family, the Saghatheriidae, characterized by the possession of the full series of twenty-two teeth in the upper jaw, among which the first pair of incisors was modified to form trihedral rootless tusks, while the two remaining pairs were separated from one another and from the teeth in front by gaps.
The earlier forms had the full series of 44 teeth, with the premolars simpler than the molars; but in the later types the canines and some of the incisors disappear, and at least the hinder premolars become molar-like.
These teeth, adapted to various requirements, vary according to the genus, being conical, hooked, spoon-shaped, molariform, &c.
The teeth of the hand-rake are of wood or iron.
These consist chiefly of teeth and the bones of the head.
The upper jaw is apparently destitute of incisor and canine teeth, but possesses five molars on each side, with a corresponding number in the jaw beneath.
These projections are termed insertion plates; they are usually slit or notched to form teeth, the edges of which may be smooth and sharp, or may be crenulated.
Each transverse row of teeth of the radula contains 17 teeth, one of which is median, while the second and the fifth on each side are enlarged.
The radula when present comprises several transverse rows of teeth, and each transverse row may have several teeth (polystichous), two teeth (distichous), or one tooth (monostichous).
On the floor of the pharynx or buccal mass is a rudimentary radula, which in many species consists of a single large tooth, bearing two small teeth or a row of teeth.
About 700 species of Carboniferous fish have been described largely from teeth, spines and dermal ossicles.
Fishes were abundant, many of the smaller ganoids are beautifully preserved in an entire condition, other larger forms are represented by fin spines, teeth and bones; Ctenodus, Uronemus, Acanthodes, Cheirodus, Gyracanthus are characteristic genera.
Dunkirk, as a nest of freebooters who preyed upon Dutch commerce, was made the objective of a daring offensive campaign in 1600 by the orders of the States-General under the influence of Oldenbarneveldt in the teeth of the opposi tion of the stadholders Maurice and William Louis .
This important frontier town lying on both sides of the river Meuse was taken by the prince of Orange in the teeth of two relieving armies, Spanish headed by the pensionary Pauw, but with the aid of the diplomatic skill of Aarssens all opposition was overcome.
Its affinity with the giraffes is, however, clearly revealed by the structure of the skull and teeth, more especially the bilobed crown to the incisor-like lower canine teeth.
The teeth especially exemplify the carnivorous type in its highest condition of development.
Old lions, whose teeth have become injured with constant wear, become "man-eaters," finding their easiest means of obtaining a subsistence in lurking in the neighbourhood of villages, and dashing into the tents at night and carrying off one of the sleeping inmates.
Although toad-like it is not really related to the toads proper, but belongs to the family Discoglossidae, characterized by a circular, adherent tongue, teeth in the upper jaw and on the palate, short but distinct ribs on the anterior vertebrae, and convex-concave vertebrae.
Ornaments of perforated teeth and shells are found.
It resembles Dinophilus in the possession of a ventral pharyngeal pouch (which bears teeth in Histriodrilus only), the small number of segments, and absence of distinct septa, the absence of a vascular system, the presence of distinct ganglia on the ventral nerve cords, and of small nephridia which do not appear to open internally.
The total number of teeth is 34, with the formula i.3.
These teeth are ever-growing, long, slender and curved, and without enamel.
Those of the upper jaw are directed upwards from their bases, so that they never enter the mouth, but pierce the skin of the face, thus resembling horns rather than teeth; they curve backwards, downwards, and finally often forwards again, almost or quite touching the forehead.
Wallace remarks that "it is difficult to understand what can be the use of these horn-like teeth.
On this latter view we may regard the tusks of the male babirusa as examples of redundant development, analogous to that of the single pair of lower teeth in some of the beaked whales.
The Phoenicians, now shut up in one corner of the island, with Selinus on one side and Himera on the other founded right in their teeth, are bitter enemies; but the time of their renewed greatness under the headship of Carthage has not yet come.
They are often shed throughout life, the successors lying on the inner side, and with their caps partly fitting into the wide open roots of the older teeth.
Especially in alligators the upper teeth overlap laterally those of the lower jaw, whilst in most crocodiles the overlapping is less marked and the teeth mostly interlock, a feature which increases with the slenderness of the snout.
In old specimens some of the longer, lower teeth work their tips into deep pits, and ultimately even perforate the corresponding parts of the upper jaw.
It has eighteen or nineteen upper and fifteen lower teeth on each side.
It has nineteen upper and lower teeth on either side.
Slicing Tools.The knife was originally a flint saw (17), havint minute teeth; it must have been used for cutting up animals, fresh or dried, as the teeth break away on soft wood.
The sickle was of wood (92), with flints (91) inserted, apparently a copy of the ox-jaw and teeth.
A similar method was common for circular holes, which were cut by a tube, either with powder or fixed teeth.
As a sub-order, the Paucituberculata are characterized by the presence of four pairs of upper and three of lower incisor teeth; the enlargement and forward inclination of the first pair of lower incisors, and the presence of four or five sharp cusps on the cheek-teeth, coupled with the absence of "syndactylism" in the hind limbs.
It also forms amalgams with mercury, and on this account has been employed in dentistry for the purpose of stopping (or filling) teeth.
The outward set of teeth drill the hole large enough to permit the drilling apparatus to descend freely, and the teeth set inwardly pare down the core to such a diameter as will admit of the body of the cutter passing over it without seizing.
In young animals several small additional teeth are present, but these usually disappear soon after birth.
One or more reserve teeth, in various stages of development, lie between the folds of the gum and are ready to take the place of the one in function whenever it is lost by accident, or shed.
The tusks, or upper incisor teeth, which were probably smaller in the female, in the adult males attained the length of from 9 to io ft.
There is scarcely a county in England in which its remains have not been found in alluvial gravel or in caverns, and numbers of its teeth are dredged in the North Sea.
Rotation is communi cated by a pinion, turned by the handle c (concealed in the figure), which works in teeth cut on the edge of the flange h.
On the completion of each revolution of this toothed wheel (which, if the number of its teeth be 100, will comprise loo revolutions of the movable plate), a projecting pin fixed to it catches a tooth of another toothed wheel and turns it round, and with it a corresponding index which thus records the number of turns of the first toothed wheel.
At the last revision of the Book of Common Prayer an addition was made to the service by prefixing to it a solemn renewal of their baptismal vows by the candidates; and, in the teeth of history and the wording of the service, this has often been taken to be the essential feature of confirmation.
In other species the radula is more of the usual type consisting of several transverse rows of two or three teeth each.
Many fish inhabited the Carboniferous seas and most of these were Elasmobranchs, sharks with crushing pavement teeth (Psammodus), adapted for grinding the shells of brachiopods, crustaceans, &c. Other sharks had piercing teeth (Cladoselache and Cladodus); some, the petalodonts, had peculiar cycloid cutting teeth.
This was done in the teeth of the expressed wish of Russia; it roused the helpless resentment of Servia, whose economic dependence upon the Dual Monarchy was emphasized by the outcome of the war of tariffs into which she had plunged in 1906, and who saw in this scheme another link in the chain forged for her by the Habsburg empire; it 1 Alois, Count Lexa von Aerenthal, was born on the 27th of September 1854 at Gross-Skal in Bohemia, studied at Bonn and Prague, was attache at Paris (1877) and afterwards at St Petersburg, envoy extraordinary at Bucharest (1895) and ambassador at St Petersburg (1896).
A kind of plover, Pluvianus aegyptius, often sits upon basking crocodiles, and, since the latter often rest with gaping mouth, it is possible that these agile birds do pick the reptiles' teeth in search of parasites.
The cheek-teeth are low-crowned, with the external cones of the upper molars fused into a W-like outer wall, and the inner ones retaining a regular conical form; while in the lower teeth the crown is formed of crescentic ridges, of which there are three in the last and two each in the other teeth.
Titanotherium, of the Oligocene of the Dakotas and neighbouring districts, was a huge beast, with the hinder upper premolars similar in character to the molars, a pair of horn-cores, arising from the maxilla, overhanging the nose-cavity, four front and three hind toes, only twenty dorso-lumbar vertebrae, and an almost continuous and unbroken series of teeth, in which the canines are short; the dental formula being i.
Brontops seem scarcely separated from the type genus; but the name Brontotherium is applied to species with two pairs of incisor teeth in both jaws.
The skull, which has a longer face than in Titanotherium, lacks horn-cores, while all the upper premolars are simpler than the molars, and the full series of 44 teeth was present.
In common with lemmings and other representatives of the Microtinae, voles are, however, broadly distinguished from typical rats and mice by the structure of their three pairs of molar teeth.
The molar teeth have respectively 5, 5 and 6 prisms above, and 9, 5 and 3 below.
On account of an important difference in the structure of its molars, it is now very generally referred to a distinct genus, under the name of Evotomys glareolus; these teeth developing roots at a certain stage of existence, instead of growing permanently.
Pecora, or true ruminants as they may be conveniently called, have complex stomachs and chew the cud; they have no upper incisor teeth; and the lower canines are approximated to the outer incisors in such a manner that the three incisors and the one canine of the two sides collectively form a continuous semicircle of four pairs of nearly similar teeth.
Whatever be the ultimate verdict, the association of antlers - and these, be it noticed, conforming almost exactly with the forked type characteristic of American deer - with an antilopine type of skull, skeleton and teeth in Merycodus is a most interesting and unexpected feature.
Andrew, who behaved with injudicious violence, was banished to France, James to Newcastle; other preachers were confined to their parishes; and by a mixture of chicanery (as at the pseudo assembly of Linlithgow) and of violence, the king established his tottering episcopacy, and sowed the dragon's teeth of civil war.
The simplest of such repeated elements are the cells of the tissues, more complex are cell-aggregates, from hairs, scales, teeth and the like, up to limbs or metameres in animals, or the .00 '00 leaves and their homologues in plants.
Sharks' teeth, shells and bamboo were formerly generally used as cutting instruments for shaving and surgical operations.
There is a total of 34 teeth, arranged as i.
Of these the first upper premolar is a simple tooth placed close behind the premaxilla and separated by a long gap from the two other teeth of the same series; while the lower incisors, of which the outermost is the largest, are directed partially forwards.
The teeth of the cheek-series which are in contact with each other consist of two small premolars (the first almost rudimentary) and three broad molars, constructed generally like those of Camelus.
Although it has the deciduous dentition, Mme Pavlow considers herself justified in referring the Kherson skull to the genus Procamelus previously known only from the Lower Pliocene or Upper Miocene strata of North America, and differing from modern camels, among other features, by the retention of a fuller series of premolar teeth.
In North America, apart from certain still older and more primitive mammals, with teeth of the tubercular type, the earliest known form which can definitely be included in the camel-series is Protylopus, of the Uinta or Upper Eocene.
In this creature, which was not larger than a European hare, there was the full number of 44 teeth, which formed a regular series, without any long gaps, and with the canines but little taller than the incisors, while the hinder cheek-teeth, although of the crescentic type, were low-crowned.
In Protolabis of the Middle Miocene, while no cannon-bone is formed, the first and second pairs of incisor teeth are retained, and the limbs and feet are short and disproportionately small.
Here the metacarpals and metatarsals have partially united to form cannonbones, the skull has assumed the elongated form characteristic of modern camels, with the loss of the first and second pairs of upper incisors, and the development of gaps in front of and behind each of the next three teeth, that is to say, the third incisor, the canine and the first cheek-tooth.
The species of Camelops were probably fully as large as llamas, and some, at any rate, resembled these animals as regards the number of teeth, the incisors being reduced to one upper and three lower pairs, and the cheekteeth to four or five in the upper and four in the lower jaw; the total number of teeth thus being 28 or 30 in place of the 44 of Poebrotherium.
The feet and number of teeth were generally similar to those of Procamelus.