Co´nus ar-te-ri-o´sus [Latin phrase.] The arterial, cone-shaped portion of the left ventricle of the heart.
Co-rol´la [Lat., dim. of corona, crown.] The inner set of leaves of flowers and usually bright-colored. The individual parts are called petals.
Crests [Lat. crista, tuft.] Projecting natural growths on the tops of animals’ heads and usually ornamental, as the cock’s comb, or the lengthened feathers of a bird.
Cre-o-don´ta [Gr. kreas, flesh; odous, tooth.] A group of fossil animals containing forms ancestrally related to existing Carnivora.
Cre-ta´ceous [Lat. creta, chalk.] Pertaining to the latter part of the Reptilian age.
Cri-noi´de-a [Gr. krinon, lily; eidos, form.] Stone-lilies; stalked star-fishes. A division of Echinoderms.
Cri´noids [Vid. Crinoidea.]
Croc-o-dil´i-a [Lat. crocodilus, lizard.] An order of reptiles including crocodiles, alligators, and gavials. They are the highest order of reptiles. In them the heart and brain approximate very closely to that of birds.
Cros-sop-te-ryg´i-a [Gr. krossoi, tassels; pterygion dim. of pteryx, wing.] A group of fishes with paired, lobate fins, and with an endodermal skeletal, axis fringed with dermal rays.
Crus-ta´ce-a [Lat. crusta, crust.] A division of arthropods containing crabs, lobsters, shrimps, crawfish, barnacles, etc.