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Moschus moschiferus), which inhabits the elevated parts of Central Asia. The upper canine teeth of the male are developed into sharp tusks, curved downward. The male has scent bags on the belly, from which the musk of commerce is derived. The deer is yellow or red-brown above, whitish below. The pygmy musk deer are che…

A vast accession of misery and woe from the mutual weeping, and wailing, and gnashing of teeth. Bentley.

A pinch with the nails or teeth.

A South American bat of the genus Noctilio, having cheek pouches and large incisor teeth.

ks. Nurse shark. (Zoöl.) (a) A large arctic shark (Somniosus microcephalus), having small teeth and feeble jaws; -- called also sleeper shark, and ground shark. (b) A large shark (Ginglymostoma cirratum), native of the West Indies and Gulf of Mexico, having the dorsal fins situated behind the ventral fins. -- To put t…

Having eight teeth.

Cutting of the teeth; dentition.

One of the cells which secrete the chitinous teeth of Mollusca.

Generetion, or mode of development, of the teeth.

An instrument for marking or laying off the outlines of teeth of gear wheels.

A description of the teeth.

An extinct order of ostrichlike aquatic birds having teeth, which are set in a groove in the jaw. It includes Hesperornis, and allied genera. See Hesperornis. [Written also Odontholcae, and Odontoholcae.]

The science which treats of the teeth, their structure and development.

muscles and a cartilage which supports a chitinous radula, or lingual ribbon, armed with teeth. Also applied to the radula alone. See Radula.

extinct Eocene bird having the jaws strongly serrated, or dentated, but destitute of true teeth. It was found near London.

A group of Mesozoic birds having the jaws armed with teeth, as in most other vertebrates. They have been divided into three orders: Odontolcæ, Odontotormæ, and Saururæ.

An order of extinct toothed birds having the teeth in sockets, as in the genus Ichthyornis. See Ichthyornis.

to bring Twilight upon the earth. Milton. In this experiment the several intervals of the teeth of the comb do the office of so many prisms. Sir I. Newton.

A division of serpents which have some of the posterior maxillary teeth grooved for fangs.

ard substance, somewhat like bone, which is sometimes deposited within the pulp cavity of teeth.