560 CATALOGUE OF 



22. Cyrtacanthacris decisa. 



Fceni. Pallide testacea ; vertex anlicus planus, fere hexagonalis ; pro- 

 ihorax vitlis duuhus (ads approximalls obscure ferrugineis ; mesosteriti 

 spina longa, rohusla, subarcuala ; libice posticce supra picete ; al<B 

 anlicic ciiierea;, maculis ?ionnullis e venis niyris ; alec posticce apice 

 subobscuriores, venis fuscis basi pallide flavis. 



Female. Pale testaceous. Head smooth, hardly broader than the 

 fore border of the prothorax ; vertex convex, its fore pari flat and nearly 

 hexaojonal ; front punctured, very slightly oblique, with four keels, of which 

 the inner pair are nearly parallel and the outer pair diverge slightly towards 

 the face. Eyes elliptical. Prothorax finely scabrous, with two broad dark 

 ferruginous stripes which are separated by a line of the ground hue ; a sli^iht 

 dorsal ridge and four Iransvjerse impressed lines, of which the first is inter- 

 rupted in the middle and the second is abbreviated on each side ; fore 

 border slightly arched ; hind border more elongated ; sides nearly straight. 

 Prosternal spine long, stout, slightly curved, extending a little beyond the 

 fore border of the mesoslernum. Abdomen and legs tawny. Hind femora 

 as long as the abdomen. Hind libiue hardly shorter than tUe hind femora, 

 piceous above; spines black, yellow towards the base, longest on the inner 

 side. Wings cinereous. Fure wings vvilh several spots formed by black 

 veins. Hind wings a little daikcr at the tips; veins brown, pale yellow 

 towards the base. Length of the body 21 — 25 lines ; expansion of the 

 fure wings 38 — 54 lines. 



The pmthorax is shorter than that of C. inlerrupta and the hind border 

 is more rounded than it is in C. ranacea and in C, turbida. 



a. Whydah. From Mr. Fraser's collection. 



b. Sierra Leone. Presented by the Rev. D. F. Morgan. 



23. CVETACANTHACHIS COXCISA. 



Ftt'm. Testacea ; caput el prothorax fcrruginro late hivittata ; caput 

 antice subhex agon ale, strigis duabus lalrralibus ti ibusque frontalibus 

 ferrugineis; prothorax viltis duabus submarginulibm ferrugineis, 

 inargine poslico valde producto non angulato ; alec anticce cinerece, 

 gutlis subcoslalibus maculis duabus discoidalibus fusciisque Iribus 

 extervnibus obliquis abbreviatis e venis uigris aul fuscis ; alee pos- 

 ticce diaphancE, venis nigris basi pallidis. 



Female. Testaceous. Head and prothorax with two broad ferruginous 

 stripes. Head smooth ; vertex in front six-sided, the fore side and the hind 

 side short, the six angles somewhat rounded ; a ferruginous streak proceeding 

 from each eye to the mouth and three ferruginous sticaks on the front; 

 keels of the front strongly marked, the inner pair diverging slightly, the 

 outer pair diverging much towards the face. Eyes I'nsilorm, with several 

 brown longitudinal lines. Prothorax finely scabrous, slightly keeled, with 

 four .transverse imjnessed lines, of which the first is interrupted in the 

 middle and the second is much abbreviated on each side; some minute 

 pale i)ustules in the two stripes ; a broad submargiual ferruginous stripe on 



