80 KE. T. Atkinson—Notes on Indian Rhyuchota. [No. 2, 
Genus HyPsaucHENIA, Germar. 
Silber. Rev. Ent. iii. p. 231 (1835) : Am. & Serv., Hist. Nat. Ins. Hém. p. 535 
(1848) ; Fairmaire, A. 8. H. F. (2 sér.) iv. p. 520 (1846) ; Stal, Hem. Afric. iv. p. 
86 (1866) ; Ofvers. K. V.-A. Férh. p. 280 (1869). 
Head almost triangular, trilobed at the extremity : prothorax a little 
shorter than the tegmina, without lateral horns, produced upwards in a 
compressed horn which is usually curved backwards and is bilobed at 
the tip: posterior process unilobed, slender, narrow at the base, nar- 
rower than the scutellum : tegmina free, slightly emarginate, extending 
much beyond the apex of the abdomen, very obliquely truncated at the 
apex, apical angle produced for some distance ; tibie simple. 
6. HypsAUCHENIA UNcINATA, Stal. 
Hypsauchenia wneinata, Stal, Ofvers. K. V.-A. Férh. p. 283 (1869). 
Obscurely ferruginous, ochraceous pubescent: dorsal horn of the 
pronotum bending a little forwards, posteriorly sublobate, acuminate and 
recurved at the apex; tegmina punctured before the middle, pellucid 
behind the middle. ?, long, 8; broad 23 millims. 
Reported from N. E. India : the Indian Museum possesses a speci- 
men (mutilated) from the Naga hills. 
The anterior horn is much shorter and differently formed from other 
species of this genus : pronotum punctulate, furnished anteriorly with a 
compressed dorsal horn, somewhat shorter than the posterior process, 
bending a little forwards, posteriorly roundly amplified a little above the 
middle, apex slender, acuminate and much recurved ; posterior process 
somewhat elevated behind the middle : tegmina fairly densely reticulated 
behind the middle (Stal). 
7. HypsaUCHENIA HARDWICKII, Kirby. 
Centrotus hardwickit, Kirby, Mag. N. H. ii. p. 21, f. 5 b (1829). 
Hypsauchenia hardwickii, Fairmaire, A. 8. HE. F. (2 sér.) iv. p. 520, t. 3, f. 20, 
21 (1846) ; Walker, List Hom. B. M. ii. p. 631 (1851) ; J. L. 8. Zool. x, p. 183 (1867). 
Brownish black, sprinkled with short, decumbent, inconspicuous 
hairs; legs (except the femora) paler than the rest of the body : prono- 
tum minutely punctured, elevated above the head into a recurved quad- 
rangular horn and terminating in a fork resembling a pair of concayvo- 
convex, pedunculated, pointed leaves ; scutellum (posterior process) of the 
length of the body, punctured, acute and elevated into a rounded lobe, 
near the apex : tegmina naked, punctured, veined longitudinally (Kirby). 
Body long, 7-9 millims. 
Reported from Nepal: the Indian Museum possesses specimens 
from Sikkim and Assam. 
