666 REVISION OF THE GENUS HETERONYX, 



II. Puncturation of elytra less 

 fine and close (resembling 

 that of H. jnceus, horridus 



and noTTnalis) rhinastus, Blackb. 



HH. Middle lobe of "trilobed out- 

 line" of head appears wider 

 than the lateral lobes laminatus, Blackb. 



GG. Basal joint of hind tarsi not 



shorterthanthe second joint, suhferriigineus, Burm. 



FF. Trilobed appearance of outline 

 of head not from any point 



of view defined peregrinus, Blackb. 



EE. Inner apex of each elytron bear- 

 ing a conspicuous tuft of setae, elongatus, Blanch. 

 DD. Elytra with rows of setiferous 

 granules, especially a row along 



the suture ^^its^itZosws, Blackb. 



CO. Puncturation of prothorax and 

 elytra very evidently less close, 

 fine, and even than in the group 



"C" 



D. Trilobed outline of head with the 



middle lobe evidently more than 



half as wide as the lateral lobes. 



E. General colour more or less uniform, 



— some shade of ferruginous or 



testaceous 



F. Apical membrane of elytra not 



extraordinarily developed 



G. Hind coxse on the external mar- 

 gin much shorter than the 

 distance from their hind mar- 

 gin to the hind margin of the 



3rd ventral segment. 



