662 REVISION OF THE GENUS HETERONYX, 



Tabulation of species of Section III., Group II., Sub-group II. 

 (i.e., having the labrum overtopping the plane of the clypeus, the 

 antennae 9-jointed, and the claws appendiculate). 



A. Head and prothorax densely clothed 

 with long erect hairs 



B. Elytra at most feebly costate, the 

 intervals appearing like obscure 

 striae 



C. Puncturation of head behind not 

 fine and sparing in contrast to 

 that of clypeus , 



D. Puncturation of prothorax fine and 

 close, almost confluent 



E. Club of antennae black or pitchy. 



F. Hind angles of prothorax from 

 some points of view quite dis- 

 tinct jubatus, Blackb. 



FF. Hind angles of prothorax quite 



rounded off, non-existent fallax, Blackb. 



EE. Club of antennae testaceous fraternus, Blackb. 



DD. Puncturation of prothorax coarse 



and sparse hirtuosus, Blackb. 



CC. Puncturation of head behind fine 

 and sparse in contrast to that of 

 clypeus *dimidiatus, Er. 



BB. Elytra deeply striate *striatipennis, Blanch. 



A A. Head and prothorax not densely 

 clothed with long erect hairs 



* The characters of these species are derived from the published descrip- 

 tions, types not having been examined by the author of the present memoir. 



