ACRIDIDJE. 517 



elevated border, shorter than the part behind them ; front with four keels, 

 of which the inner pair are parallel and approximate to each other. An- 

 tennae ferruginous, setaceous, slender, longer than the head and the pro- 

 thorax together. Prothorax, prosternum and legs in structure like those of 

 O. semipicta. Tibia?, tarsi and hind femora towards the tips red. Wings 

 brownish cinereous. Fore wings broadly green along the costa; veins else- 

 where red. Hind wings rather shorter, with brown veins. Length of the 

 body 16t lines ; expansion of the fore wings 26 lines. 



41. OPOMALA CINGULATA. 



Mas. Testacea; caput subcarinatum, prothorace sat brevius, antice coni- 

 cwm, fronte qundricarinata ; oculi elliptici; antenna setacece, non 

 dilatatce ; prothorax sublililer pnnctatus, carinis tribus dorsalibus 

 carinulisque nonnulli* exteriorihuft ; prosternum transverse sub- 

 jugatum ; abdominis segmenta dorsalia fusco fasciata ; ala. posticce 

 diaphance, basi nonnunquam stibrosece. 



Male. Testaceous. Head with a slight keel, rather shorter than the 

 prothorax, conical in front of the eyes; front with four keels; the inner pair 

 diverging from between the eyes to the middle, converging there and then 

 parallel to each other till they join the fore border. Eyes elliptical, oblique, 

 prominent. Antennae setaceous, not dilated, much longer than the head 

 above. Prothorax minutely punctured, with three keels, the laleral pair 

 very slightly undulating: some exterior indistinct and interrupted keels. 

 Prosternum with a slight transverse ridge. Abdomen wilh an abbreviated 

 brown band on each segment above. Legs rather slender; spines minute, 

 especially those on the four anterior tibiae. Wings extending beyond the 

 abdomen. Hind wings pellucid, a little shorter than the fore wings, 

 occasionally with a rosy tinge on the hind part near the base. Length of 

 the body 7 10 lines ; expansion of the fore wings 1519 lines. 



, b. ? 



42. OPOMALA SEERATA. 



Mas. Ferruginea^ subtus fulva ; caput et prothorax subrugulosa ; caput 

 prothorace paullo brevius, antice longi-conicum, fronte sexcarinata; 

 oculi fusiformes ; antennae lanceolatce, latiusculce ; prothorax uni- 

 carinatus, antice rotundatus, postice arcuatus ; prosternum transverse- 

 jugatum; abdominis segmenta dorsalio unispinosa. 



Male. Ferruginous, tawny beneath. Head and prothorax slightly 

 rugulose. Head a little shorter than the prothorax, elongate-conical in 

 front of the eyes; front with six keels, of which the inmost pair diverge 

 slightly towards the face. Eyes fusiform, oblique, prominent. Antenna? 

 lanceolate, rather broad, much longer than the head above. Prothorax 

 with a middle keel and with three transverse impressed lines; fore border 

 rounded; hind border somewhat arched ; sides straight. Prosternum with 

 a transverse ridge. Abdomen with a spine on the hind border of each 

 dorsal segment. Legs moderately stout. Wings very short. Length of 

 the body 12 lines. 



The specimen described is incompletely developed. 



