Cas-tra´tion [Lat. castratus.] Removal of the glands that bear the Germ-Cells.

Cat-ar-rhi´næ [Gr. kata, down; rhis, nose.] Old World monkeys. The septum of the nose is narrow; the tail is short and not prehensile.

Cat´ar-rhines [Vid. Catarrhinæ.] Old World monkeys.

Ceb´i-dæ [Gr. kebos, long-tailed monkey.] A family of New World monkeys.

Ce´bus [Gr. kebos, long-tailed monkey.]

Cen-o-zo´ic [Gr. kainos, new; zoe, life.] Relating to the Quaternary and Tertiary eras.

Cen´ti-pede [Lat. centum, hundred; pes, foot.] A many jointed myriapod having a pair of legs to each joint.

Cen´tro-some [Gr. kentron, center; soma, body.] A body just outside of the nucleus of a cell and that governs the mitotic phases of a cell.

Ceph-a-lop´o-da [Gr. kephale, head; pous, foot.] Molluscs with a subcentral head, a beaked mouth, and tentacles taking the place of feet, including cuttlefishes, etc.

Cer´a-tites [Gr. keras, horn; ites, like.] A fossil cephalopod with the habitation chamber short and sutural saddles mostly simple.