466 REPORT OF STATE GEOLOGIST. 



Ariiculatcd. — Divided into distinct joints. 

 Auditory organ. — Ear; hearing organ. 

 Attingent. — Touching; coming in contact with. 



Basal. — Next to the body. 

 Bifid. — Cleft; cloven in two. 



Calcaria. — The spines or spurs at the apex of the tibia. 



Carina, carinm (pi.)- — A keel or ridge. 



Castaneous. — Chestnut brown; bright reddish brown. 



Cerci. — The appendages issuing from the sides of the last abdominal 



segment. 

 Chitine. — The corneous substance of the skin of an insect. 

 Cimeler-shaped. — Like a short, curved oriental sword. 

 Cinereous. — Ash-colored; gray tinged with blackish. 

 Clavate. — Having a thickened, club-like extremity. 

 Clypeus. — A part of the head. 

 Concave. — When the surface gradually declines toward the center, 



which thus becomes the deepest. 

 Convex. — "Wlien the surface gradually rises toward the center, which 



thus becomes the highest. 

 Cordiform, cordate. — Heart-shaped. 

 Coriaceous. — L'eather-like, tough and somewhat rigid. 

 Corneous. — A horny substance, resembling hora. 

 Costa. — Median carina of the face. 

 Costal. — The front margin of tegmina or wing. 

 Coxa. — The globular or oblong basal piece of the leg. 

 Crest. — A sharp ridge. 

 Cristate. — With a prominent longitudinal carina on its upper surface. 



Declivent. — Sloping downward. 



Decurved. — Bent downward. 



Depressed. — Pressed downward; more or less flattened vertically. 



Dentate. — Furnished with a tooth or teeth. 



Denticulations. — With fine tooth-like notches. 



Dilated. — Broadened; expanded. 



Dimorphic. — Existing in two forms. 



DisJc. — The middle of a surface; the surface within the margins. 



Distal. — Farthest distant, opposite of proximal. 



Diurnal. — Active during the day. 



Dorsal. — Pertaining to the upper surface. 



Dorsum. — The upper surface or back of thorax, abdomen, etc. 



