Cercopoda: jointed foot-like appendages of the last abdominal segment; also applied like cerci. Cercus: see cerci. Cerebellum: has been applied to the sub-esophageal ganglion. Cerebrum: the supra-oesophageal ganglion. Cernuous: bent: with the apex bent downward. Cervical: relating or belonging to the neck. Cervical foramen: in coleopterous larvae - occipital foramen. Cervical sclerites: small ebitinous plates on the membrane between head and thorax: see jugular sclerites. Cervical shield: the ebitinous plate on the prothorax of caterpillars just behind the head: = prothorax shield. Cerviculate: with a long neck or neck-like portion. Ceryinus: reddish, deer-gray [pale cadmium yellow and Indian red]. Cervix: the upper part of the neck; = crag: in Diptera; that part of the occiput lying over the junction of the head, i.e. between the vertex and neck. Cespitose: matted together. Chaetophorous: applied to bristle-bearing flies. Chaetotaxy: the science dealing with the arrangement and nomenclature of the bristles on the body of insects. Chagrined: see shagreened. Chalastrogastra: the saw-flies: a group of Hymenoptera. Chalceous: brassy in color or appearance. Chalybeate: steely in appearance. Chalybeous: metallic steel blue. Channelled: a surface, with deep grooves or channels. Chaperon: =clypeus or clypeus anterior. Chaplet: a little crown; a circle of hooks or other small processes terminating a member or appendage. Character: a quality of form, color or structure. Cheek: see gena. Chela: the terminal portion of a limb bearing a lateral movable claw like that of a crab; specifically applied to the feet in some Parasitica in which the opposable claw forms a clasping structure. 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. Chordotonal: responsive to vibrations; applied to the ear-like structures in Orthoptera. Chorion: the shell or covering membrane of an insect egg. Chromatin: the minute granules that make up the chromoplasm of a cell nucleus.