130 AMERICAN ENTOMOLOGY. 



Clavate, club-shaped ; gradually becoming thicker towards the 



end. See capitate. 

 Claw, the unguis. 



Clypeus, the superior portion of the head in Coleopterous insects. 

 Coadunate, joined together at base; two or more joined together; 



(elytra) permanently united at the suture. 

 Coarctate, contracted ; compact ; opposed to effuse ; {nietamor- 



phose) that species of change in which the pupa assumes a 



cylindrical shape, all the members of the body being concealed 



as in the family of Hippobosca. See incomplete, semicom- 



plete. 

 Cocardes, retractile vesicular bodies on each side of the stethi- 



dium of insects of the genus Malachius. 

 Coccineous, the color of the blossom of the saffron. 

 Cochleate, twisted spirally like a screw, or a univalve shell. 

 Cocoon, a follicle. 

 Coenogonous, oviparous at one season of the year, and ovovivi- 



parous at another, as the Aphides. 

 Coleoptera, the first order of insects, having" coriaceous elytra, 



not lapped one over the other at tip ; coriaceous elytra. 

 Collar, the collum. 



Collar e, the somewhat elevated posterior part of the collum. 

 Collum, the neck or collar ; the anterior segment of the trunk 



in such insects as have that part of the body divided into several 



pieces, as in the Hymenoptera, Lepidoptera, &c. ; in reality 



it corresponds with the thorax of the Coleoptera, &c. See 



collare. 

 Columnar, differs from cylindric, by tapering towards one end, 



like the shaft of a column. 

 Comose, ending in a tuft, or kind of brush. See plumose. 

 Compressed, flattened laterally ; the transverse diameter much 



shorter than the vertical diameter. See depressed. 

 Concolorcs, applied to the wings of Lepidopterous insects when 



their superior and inferior surfaces are of the same color. 

 Conduplicate, doubled, or folded together. 

 Conflect, crowded, clustered ; opposed to sparse. 

 Confluent, running into one another. 

 Congested, heaped together. 

 Conglomerate, congregated. 

 Conjugate, consisting of a single pair. 



