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That the beast had come upon him from the rear was evident, for the chisel-like claws of one huge paw had torn mantle and tunic and flesh into ribbons; but in some way the Viking must have managed to turn and grapple with his foe, for now his distorted face was close to the dripping jaws.
His great chisel-like teeth, which are quite as formidable as those of the woodchuck, he does not appear to use at all in his defense, but relies entirely upon his quills, and when those fail him, he is done for. After amusing ourselves with him awhile longer, we released him and went on our way.
Of other teeth it had only the two moderate-sized front tusks above and two very big, chisel-like "incisors" in the front of the lower jaw. Exactly how these were used and for what food no one has yet made out. Head of the ancestral elephant Palæomastodon as it appeared in life. It shows, as compared with the earlier ancestor, an elongation both of the snout and the lower jaws.
Those who depend altogether on the prepared paper and liquid colours, patent easel and sketching stool, could simply do nothing. It is nearly certain that if the primeval man sketched the mammoth he likewise carved his spear-shaft, the haft of his knife, the handle of his 'celt, that chisel-like weapon whose shape so closely resembles the front teeth.
There were thick bushes and many dead and blasted trees along its course, though frequently nothing remained but stumps cut close to the ground by the beaver, and marked with the sharp chisel-like teeth of those indefatigable laborers. Sometimes we were driving among trees, and then emerging upon open spots, over which, Indian-like, all galloped at full speed.
They perforate the bark of the branches of the maples with their chisel-like teeth, and suck the sweet liquid as it slowly oozes out. It is not much as food, but evidently it helps. I have said the red squirrel does not lay by a store of food for winter use, like the chipmunk and the wood-mice; yet in the fall he sometimes hoards in a tentative, temporary kind of way.
The teeth were the same in number, in upper and in lower jaw, and so formed as to work together, those of the lower jaw shutting as a rule just a little in front of the corresponding teeth of the upper jaw. There were above and below, in front, six small chisel-like teeth, which we call "the incisors."
It is owing to this principle that the edges of the rodent teeth preserve their chisel-like form. Being continually employed in nibbling, the softer backing of the teeth is rapidly worn away, while the hard plate of enamel upon the front of the tooth is but slightly worn, the result being the bevelled shape which is so characteristic of these teeth.
Does not bore holes in trees to injure them or eat the sap, but to get at the hurtful grubs which live under the bark, and the sharp, barbed tongue is especially fitted to pick thorn out of the holes which are dug with the stout chisel-like beak.
These animals must have chisel-like teeth. They left chippings somewhat similar to those cut by an axe. Aspen bark was their winter food. In this particular spot we could not find a dam or slide. When we rode down into Turkey Canyon, however, we found a place where beavers had dammed the brook.
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