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The specialization is of this kind. The true molars are those placed behind the molars having deciduous vertical predecessors. Now, as a dentition becomes more distinctly carnivorous, so the hindmost molars and the foremost premolars disappear. In the existing cats this process is carried so far that in the upper jaw only one true molar is left on each side.
In the machairodus there is no upper true molar at all, while the premolars are reduced to two, there being only these two teeth above, on each side, behind the canine.
Penultimate molar, one-third of natural size. Elephas meridionalis, Nesti. Penultimate molar, one-third of natural size. Rhinoceros leptorhinus, Cuvier Rhin. megarhinus, Christol; fossil from fresh-water beds of Grays, Essex; penultimate molar, lower jaw, left side; two-thirds of natural size. Rhinoceros tichorhinus; penultimate molar, lower jaw, left side; two-thirds of natural size.
No danger of that tooth turning black with the weather, as did the cheap German gilt impostures. What would that other dentist, that poser, that rider of bicycles, that courser of greyhounds, say when he should see this marvellous molar run out from McTeague's bay window like a flag of defiance? No doubt he would suffer veritable convulsions of envy; would be positively sick with jealousy.
One of the bums had his right arm put out of joint, and the other his upper jaw-bone or mandibule dislocated so that it hid half his chin, with a denudation of the uvula, and sad loss of the molar, masticatory, and canine teeth. Then the tabor beat a retreat; the gauntlets were carefully hid in a trice, and sweetmeats afresh distributed to renew the mirth of the company.
Many delicate children, as I have been assured by a surgeon to a hospital for children, have their backs covered by rather long silky hairs; and such cases probably come under the same head. It appears as if the posterior molar or wisdom-teeth were tending to become rudimentary in the more civilised races of man.
They were, however, so completely decayed, that I could only bring away small fragments of one of the great molar teeth; but these are sufficient to show that the remains belonged to a Mastodon, probably to the same species with that, which formerly must have inhabited the Cordillera in Upper Peru in such great numbers.
And the tooth, the gigantic golden molar of French gilt, enormous and ungainly, sprawled its branching prongs in one corner of the room, by the footboard of the bed. The McTeague's had come to use it as a sort of substitute for a table. After breakfast and supper Trina piled the plates and greasy dishes upon it to have them out of the way.
And this was perhaps decisive against the Dame's statement. "And I don't believe un neither. I think it bothered she. I believe 'tis a genteel word for a man as catches oonts. They call oonts MOLES in some parts, so p'r'aps they calls a man as catches moles a molar, as they calls a man as drives a mill a miller." "'Tis likely too, Gearge," said Abel. "Well! Molly we knows.
The creature has nails of the ordinary form to its fingers, and semi-opposable thumbs; but the molar teeth are studded with sharp points, showing that it lives chiefly on insects. Though in the daytime it appears torpid and dull, yet at night, shaking off its drowsiness, its large dull eyes, which shrunk from the rays of the sun, are full of eager animation as it sets off in quest of its prey.
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