338 GLOSSARY. 



Base. The foundation ; as, Base of the head : that part of the head ap- 

 plied against the thorax. 



Biarcuated. Twice-curved. 



Bicolored, Two-colored. 



Bidentate. Two-toothed. 



Biiid. Two-hranched. 



Bifurcated. Two-forked. 



Bi-impressed. Twice-impressed. 



Bilineated. Marked with two lines. 



Bilobed. Furnished with two lobes. 



Bimaculated. Twice-spotted ; having two spots. 



Binotated. With two marks, or dots. 



Biovate. Twice-ovate. 



Biparted. Separated into two parts. 



Biserrated. Provided with two small triangular teeth. 



Bisetous. Furnished with two bristle-like appendages. 



Bituberculated. Provided with two tubercles. * 



Bivittated. Marked with two longitudinal stripes. 



Branchiee. Breathing tubes analogous to gills. 



Calcarated. Armed with spurs. 



Carbonaceous. Resembling charcoal. 



Carina. An elevated keel-like edge. 



Carinate. Furnished with a carina. 



Carpus. The pterostigma. 



Caudal. Pertaining to the end of the abdomen. 



Cellule. A little space surrounded by veins, on the wings. 



Cerci. The superior processes at the end of the abdomen. 



Chalybeous. Of a steel-blue color. 



Cilia. Hairs set like a fringe ; resembling eyelashes. 



Ciliated. Furnished with cilia. 



Cinereous. Of an ash-gray color. 



Clavate. Furnished with a thickened extremity like a club. 



Clypeus. That part of the head immediately above the labrum. 



Compressed. Flattened together, as if by pressure applied at each side. 



Confluent. Flowing together ; united at the ends, as the veins of wings. 



Connate. United ; not separated by an articulated suture. 



Cordiform. Shaped like a heart. 



Coriaceous. Of a consistence resembling leather. 



Costa. The same as costal vein. 



Costal. Pertaining to the casta. 



Costal area. A space between the costa and the nest longitudinal vein. 



Costal vein. The rib-like vein of the anterior margin of the wings, fol- 

 lowed, in the section Neuroptera, by the subcosta, the radius, and the 

 cubitus; the latter is frequently double (cm6. anticus, cub. posticus). 



Cultriform. Shaped like a pruning-knife. 



Cuneiform. Shaped like a wedge. 



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