PRIONUS. 



15 



eleventh pectinate, or flabellate, and more or less imbricate. Pro- 

 thorax strongly transverse, with from one to three teeth or spines 

 on each side. Elytra of variable length, more or less parallel- 

 sided, rounded at the apex, armed or not with a small spine 

 or tooth at the suture. Legs stout and moderately long, laterally 

 compressed ; tibite asperate ; first tarsal joint longer than the 

 second, the third cleft to the middle or to within one-third from 

 the base. Last ventral segment sinuate at the apex. 



5 . Antenna) shorter and not so thick as in the male, the 

 last six or seven joints serrate. Abdomen often projecting beyond 

 the tip of the elytra, its last ventral segment usually rounded 

 at the apex. 



14. Prionus corpulentus, Bates, P. Z. S. 1878, p. 720, $ ; id. Scientific 

 JResults Seco7id Yarkand Mission, Coleopt. p. 21, pi. i, fig. 18, $ 

 (1890). 



S . Pitchy brown in colour. Head very closely and somewhat 

 rugosely punctured. Eyes lai-ge, the lower lobes approxi- 

 mated to the base of the mandibles in front ; the upper lobes 



Fig. 4:.— Prionus corpulodus, Bates. X 



not widely separated from each other above. Antennae a little 

 longer than the body, l^-jointed, each of the joints from the 

 third to the eleventh produced antero-distally into a ver}^ long 

 process ; third joint twice as long as the first and about half as 

 long again as the fourth, fourth to eleventh subequal in length, 

 twelfth longer than the eleventh. Pronotum much broader than 



