EXPLANATIONS OF TERMS USED IN TEXT. 277

‘B.

basalis, basal, relating to the base; arising from the base.

Wire?, cleft; cloven in two.

bifurcate, a part not over the half of its length divided into two dullpoints.

biseriately, in two series.

bullate, a blister (bulla) ; blister-like.

C.

caecum, csecal, a tube open at one end only (Fig. 40, 41).callosity, callosus, an elevated rounded portion of the surface, generallysmooth, appearing like a swelling; an elevated substance harder thanthe surrounding matter.

canthus, one of the upper and lower or interior and posterior extremitiesof the compound eyes of insects.cardo, cardiacs, a hinge (Fig. 27).carneous, flesh-colored.carina, carinte, a keel or ridge.

castaneous, chestnut-brown; bright reddish-brown.

cercus, cerci, the appendages issuing from the sides of the last abdominalsegment (Fig. 38).

cbitine, the corneous substance of the skin of an insect.cimeter-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 (Fig. 22).coleopterous, relating to beetles.colon, largest part of the intestine (Fig. 40, 41).confluent, running into each other.

concave, when the surface gradually declines toward the center, which thusbecomes the deepest.

convex, when the surface gradually rises toward the center, which thusbecomes the highest.cordiform, cordate, heart-shaped.coriaceous, leather-like, tough and somewhat rigid.corneous, a horny substance; resembling horn.corpus adiposum, fatty substance.

costa, median carina of the face; also the front margin of wings andtegmina.

costal, anterior; (margin of wing) (Fig. 33).

coxa, the globular or oblong basal piece of the leg (Fig. 35).

crest, a sharp ridge. .

cristate, with a prominent longitudinal carina on its upper surface.cylindrical, a round body, equally thick throughout.