Cer´a-to-dus [Gr. keras, horn; odous, tooth.] So-called from the horn-like ridges of the teeth. A lung-fish.

Cer-co-pi-the´ci-dæ [Gr. kerkopithekos, a long-tailed ape; eidos form.] A family of catarrhine anthropoidea.

Cer-e-bel´lum [Lat. dim. of cerebrum, brain.] A subdivision of the encephalon.

Cer´e-brum [Lat. brain.] A subdivision of the encephalon.

Cer´e-bral [Vid. Cerebrum.] Pertaining to the cerebrum.

Ce-ta´ce-a [Lat. cetus, whale.] An order of fish-like mammals including the whales and porpoises.

Chei-rop´te-ra [Gr. cheir, hand; pteron, wing.] Including the Bats,—an order of mammals.

Chei-ro´tes [Gr. cheirotos, having a hand.] A native lizard of Mexico.

Che-lo´ni-a [Gr. chelone, tortoise.] An order of reptiles, including the turtles and tortoises.