CHKOTOGONUS. 165 



193, Chrotogonus concavus, sp. no v. 



Uniform reddish grey (sand-colour), hardly paler heneath, 

 strongly granulosa. Scutellum of the vertex depressed, obtusely 

 pointed in front ; median carina of head and pronotum nearly 

 obsolete ; sides of pronotum strongly tridentate before the 

 principal sulcus, hind border obtusely rounded, with black mar- 

 ginal tubercles ; deflexed lobes with the lower border yellowish, 

 twice concave, and angulated behind. Tegmina about as long as 

 the abdomen, tapering, rather pointed, with a median row of small 

 pale dark-marked tubercles ; wings two-fifths as long as the teg- 

 mina, hyaline. Legs yellowish, hind femora with black dots on 

 the outer carinse, tei'minal spines of the hind tibise tipped with 

 black. Abdomen rather obscurely pointed with brown. 



Length 24: mm. ; expanse of tegmina, 28 mm. 



Baluchistan: Quetta. 



T)/2)e in the British Museum. 



194. Chrotogonus trachypterus, Blanch. 



Ommexycha trachyptenis, lilanchard, Ami. Soc. Ent. France, v, 

 1836, p. 618, pi. xxii, tig. 6. 



Brown, rugose and tuberculate. Head short, broad, rugose ; 

 antenniie fulvous, ringed with black; eyes very prominent, brown, 

 shining, occupying three-quarters the length of the head. Pro- 

 notum short, broad, with a great number of small crowded 

 tubercles ; seven lobes on the hind border ; front and lateral 

 borders not indented. Sternum yellowish, spotted with blackish. 

 Tegmina rather shorter than the abdomen, brown, considerably 

 humped, nervures and numei-ous tubercles very prominent ; wings 

 hyaline, nearly as long as the tegmina. Abdomen brown abo\'e, 

 paler beneath, with brown spots. Pour front legs short, slender, 

 rugose, yellow, with brown spots. Hind legs short, femora as 

 long as the abdomen, outer surface very rugose, with two black 

 spots, one at the base and the other at the extremity ; tibiae with 

 short pale spines. 



Lewjth 17-19 mm.; tegmina, 12 mm.; wings, 9 mm.; hind 

 femur, 8*5 mm. 



Bombay. 



Type in the Paris Museum. 



[Mr. ICirby suggests in a m.emorandum that this may be the 

 female of C. ])allidus.\ 



195. Chrotogonus liaspis, Blanch. 



Ommexrjcha linspis, Blancharl, Ann. Soc. Ent. France, v, 1830, 

 p. 620, pi. xxii, tig. 8. 



Brownish yellow, smooth. Head rather broad at the base, and 

 pointed at the extremity ; antenna? brownish, shading into black 



