USED IN ENTOMOLOGY. 31 



Coriaceo-reticulate: with impressed reticulations giving a leather-like ap- 

 pearance. 



Coriaceous: leather-like: thick, tough and somewhat rigid. 



Coriarious: leather-like in sculpture or texture. 



Corium: the elongate middle section of the hemelytra which extends from 

 base to membrane below the embolium. 



Cornea: the outer surface of the compound eye as a whole, and of each 

 individual facet. 



Corneal lenses: are the individual lens-like structures of which the cornea 

 of the compound eye is composed. 



Corneous: of a horny or chitinous substance; resembling horn in texture. 



Cornicles: the honey tubes in plant-lice: = corniculus. 



Corniculi: the little horny tips or pieces of the ovipositor in Orthoptera; 

 see valves. 



Corniculus -i: = cornicles ; honey-tubes; q. v. 



Corniform: like the horn of an ox: a long, mucronate or pointed process. 



Cornute-us: having horns or horn-like processes. 



Corona: a crown or crown-like processes. 



Coronate: with a crown-like tip or termination. 



Coronet: a small crown or corona. 



Coronula: a circle or semicircle of spines at the apex of the tibia. 



Corpus: the body as a whole. 



Corpus adiposum: the mass of fat tissue often found in larvae. 



Corpuscle: a small cell; usually applied to blood cells. 



Correlate: to bring together into relation or correspondence. 



Correlated: detrived from the same ancestral form: said of two or more 

 features or qualities which bear a direct or an inverse relation to each 

 other, but without implying a relation of cause and effect. 



Correlative: of a correlated nature: see correlated. 



Corrode: to eat away gradually, as by rust or decay. 



Corrodentia: an ordinal term meaning gnawers: net-veined or wingless; 

 mandibulate, mouth formed for gnawing; transformation incomplete; 

 thorax incompletely agglutinated: = Psocoptera: includes Termitidce, Pso- 

 cidce and Mallophaga. 



Corrugated: wrinkled; with alternate ridges and channels. 



Corselet: the prothorax in Coleoptera. 



Cortical: relating to the cortex or outer skin. 



Corticinus: bark-like in sculpture, texture or color [vandyke brown]. 



Corvinus: crow-black; deep, shining black with a greenish lustre. 



Coryphatus: = capillatus. 



Corysterium: an abdominal glandular structure in certain females, secreting 

 a glutinous covering for the eggs. 



Cosmopolitan: species that occur throughout most of the world. 



Cosmotropical: species that occur throughout the tropics. 



Costa: any elevated ridge that is rounded at its crest: the thickened anterior 

 margin of any wing, but usually the primaries : in Comstock, the vein ex- 

 tending along the anterior margin of the wing from base to the point of 

 junction with subcosta. 



