140 



Mr. B. P. Uvarov — A Revision of 



(feather-like) reticulation (fig-. 6, a). 

 (Asia : genotj^pe, Acridium violascens, 

 Walk.) . 



11 (10). Elytra with the apex rounded or ^oblique- 



ly rounded ,• veinlets in the apical part 

 more or less perpendicular to the veins. 



12 (35). Prosternal spine straight, vertical, or only 



slightly inclined (but never bent) 

 towards meaosternum, but not nearly 

 reaching the latter, and usually com- 

 pressed laterally (fig. 3, a, b, c, d, e). 



13 (28). Frontal ridge above the ocellus some- 



what dilated, distinctly broader than 

 just below it (fig. 2, h). 



[nov. 

 5. Pachjacris, gen. 



Fiff. 



«, Pachyacris mnosa (Walk.) ; b, Rhytidacris tectifera (Kai'^ch) ; c, Ana- 

 cridium melanorhodon (Walk.) ; r7, Nomadacris septemfasciata 

 (Serv.). X 1^, except the bottom small figure, representing a 

 strongly enlarged section of the discoidal field of N. septem- 

 fasciata. 



14 (15). 



Frontal ridge rather suddenly lowered 

 below the ocellus and completely ob- 

 literated halfway between the latter 

 and clypeus. Median keel of pro- 

 notum very low, linear ; hind angle 

 about 90°. (Africa : genotype, Acri- 



doderes amethystmiis, Bol.) 



15 (14). Frontal ridge gradually lowered towards 

 the clypeus and reaching it. 



[^Qn. nov. 

 6. PaohynotacriSj 



