Chelate: bearing a cheat or claw; applied when claws are capable of being drawn down or back upon the last tarsal joint.
Chiasma: an X-like crossing of nerve fibers.
Chirotype: a specimen upon which a manuscript name is based.
Chitin: the material forming the hard parts of the insect body; it is a secretion (or a metamorphosis?) of the epidermis, differing from horn by its insolubility in boiling liquor potassae: = elytra, entomolin.
Chitinogenous: applied to that layer of epidermal cells which secretes the chitin.
Chitinization: the process of depositing or filling with chitin.
Chitinized: filled in with or hardened by chitin.
Chitinous: composed of chitine {Scanner's comment: sic} or like it in texture: as a color term is amber yellow.
Chlorophane: an oily, greenish yellow pigment found in insects.
Chlorophyll: the green coloring matter of plants; one of the substances found in the blood of insects.