708 



SCIENTIFIC AND APPLIED PHARMACOGNOSY 



wing-sheaths black with 2 broad brownish-yellow, occasionally 

 golden-yellow bands and at the anterior portion a pair of nearly 

 circular brownish -yellow spots; heads somewhat triangular and of a 

 jet black color; mandibles stout and large, partly concealed; antennae 



FIG. 313. Cantharides (Cantharis vesicatoria) : abd, fragments of abdomen; ai, 

 fragments of wings; ac, fragments of mites; el, fragments of elytra showing 

 the external surface; eli, fragments of elytra showing internal surface, when 

 cleared with Javel water; m, fragments of muscles; in, undetermined frag- 

 ments; oa, eggs of mites; p, hairs from abdomen, thorax and wings. After 

 Collin. 



clavate, 11 jointed; eyes large and compound; prothorax wedge- 

 shaped, black; the femora of first and second pair of legs are covered 

 with yellowish hairs, while the third pair hairs are nearly glabrous 

 and black; odor and taste slight, resembling cantharis. 



