Co-coons´ [F. cocon, dim. of coque, shell; < Lat. concha, shell.] The protective envelopes spun by certain larval insects, as silkworms, in which they are inclosed in the chrysalis state.

Co-do-si´ga um-bel-la´ta [Gr. kodon, a bell; sige, silence; Lat. umbella, dim. of umbra, shade.]

Cœ-cil´i-a [Lat. cæcus, blind.] Footless amphibians of snake-like form; rudimentary eyes; no neck.

Cœ-len-te-ra´ta [Gr. koilos, hollow; enteron, intestine.]

Cœ-len´ter-ate [Vid. Cœlenterata.]

Cϫlome [Gr. koilos, hollow.] The body-cavity of a metazoan between the viscera and the body-wall.

Combs [AS. camb, crest or ridge.] The fleshy crests on the heads of roosters, etc.

Con-dy-lar´thra [Gr. kondylos, knuckle; arthron, joint.] An Eocene group of ungulates in which the astragalus is not interlocked laterally with the tibia and its head rounded.

Co-nif´e-ræ [Lat. conus, cone; fero, bear.] The pine family of trees.