ACRIDIDJE. 511 



Male. Tawny, slender. Head and prothorax wilh two white lateral 

 stripes. Head much shorter than the prothorax, smooth, conical, very 

 slightly keeled and with an elevated border in front of the eyes ; front with 

 two keels which diverge towards the face. Eyes fusiform, oblique, slightly 

 prominent. Antennae lanceolate, about twice the length of the head above. 

 Prothorax punctured, with three parallel keels and with three blackish 

 stripes ; fore border and sides straight; hind border rounded. Prosternum 

 with a transverse ridge. Legs moderately stout; four anterior tibiae with 

 minute spines ; hind tibise with small spines. Fore wings with a blackish 

 subcostal streak extending from the base to beyond the middle. Hind 

 wings pellucid, rather shorter tban the fore wings; veins black. Length of 

 the body 16 lines; expansion of the fore wings 24 lines. 



Closely allied to O. basalis. 

 a. Natal. From M. Gueinzius' collection. 



South Asia. 



22. OPOMALA. LATICORNIS. 

 Opsomala laticornis, Serv. Hist. Orth. 590. 

 Bombay, 

 a. North Hindostan. From Dr. Hooker's collection. 



23. OPOMALA BICOLOR. 



Acridium (Opsomala) bicolor, Haan, Verz. Nat. Gesch. Ned. Ind. Bez. Ins. 



148. 



Japan. Java. 



24. OPOMALA LINEATITARSIS. 

 Opsomala lineatitarsis, Slal, Eug. Resa, 324. 

 Hong Kong. 



25. OPOMALA? JAPONICA. 



Truxalis (Opsomala ?) Japouica, Motsch. Bull. Soc. Nat. Mosc. xxxix. 

 181. 



Japan. 



26. OPOMALA CONVERGENS. 



Foem. Pallide testacea, gracilis,fere linearis ; caput el prothorax lineis 

 nonnullis obscurioribus ; caput prothorace brevius, antice lanceolatum 

 et marginalum; oculi obliqui,fusco lineati ; antenna latce, prothorace 

 fere duplo longiores ; prothorax lineis quinque elevatis ; prosternum 

 obtuse denta turn ; abdomen lonyum, opicem versus atienuatum ; ovi- 

 ductus longus, rectus ; pedes quatuor anteriores breves; libicB pos- 

 ticce biseriatim spinulosce ; alee posticce diaphance, bani rosece. 



Female. Pale testaceous, slender, nearly linear. Head and prothorax 

 with several darker lines, and on each side with a broad white stripe which 

 is continued along the hind femora. Head shorter than the prothorax ; 

 cone in front of the eyes lanceolate, with an elevated border; under side 

 roughly punctured, keeled in front. Eyes oval, oblique, not prominent, 



