80 Records of the Indian Museum. [Vor.- XI, 
tibiae little curvate toward the base; the three pulvilli of the 
first joint of the hind tarsi subequal in length. 
Entire length of female 15 mm.; pronotum I4 mm. ; poste- 
rior femora 6 mm. 
Habitat.—Singla, Darjiling District, 1500 ft., June, 1913 (Lord 
Carmichael coll.); Sikkim, Darjiling Dist. (L. Mandell). 
This species resembles ¢viangularis in the narrow vertex, but 
differs in the lateral lobes which are subquadrate and little promi- 
nent as compared to the triangulate produced angles in triangu- 
laris. The exserted head suggests its approach to Systolederus, but 
the vertex is wider than in typical representatives of that genus. 
Bolotettix triangularis, sp. nov. 
Allied to armatus, Hancock, slightly larger in stature. Body 
reddish-ochreous, front of head and the sides of the lateral lobes 
mottled with black, underneath the body black, femora pale yel- 
low, the hind femora marked with a longitudinal black fascia 
below the lower external carina, and faint traces of fuscous bars on 
the upper part. Vertex strongly narrower than one of the eyes, 
tricarinate, the median carina very little projecting ; head and eyes 
exserted; frontal costa arcuate-elevated between the antennae, 
sinuate at the median ocellus. Pronotum plain above, dorsum 
rugulose between the shoulders; humeral angles bicarinate ; me- 
dian carina of pronotum substraight, percurrent, and subobsolete 
near the front border; posterior process subulate, long surpassing 
the hind femoral apices ; posterior angles of the lateral lobes of the 
pronotum laminate dilated laterally and distinctly triangulate pro- 
duced, subacute, the margin behind subsinuate truncate. Elytra 
small, elongate-ovate ; wings extended little beyond the pronotal 
apex. Anterior and middle femoral margins entire; posterior fe- 
moral margins granose or entire; the third pulvilli of the first 
joint of the hind tarsi little longer than the second. 
Entire length of male and female 13'5-16 mm.; pronotum 12-15 
mm.; posterior femora of the male 6 mm. 
Habitat.—Sibsagar, N.-E. Assam (S. E. Peal). 
The two specimens in the Indian Museum collection were 
determined as ‘‘Systolederus angusticeps, Stal,’’ presumably by 
Saussure. It is hardly necessary to state that the latter, a Philip- 
pine species, is of much larger stature and has acute spines arm- 
ing the lateral lobes of the pronotum. 
Genus Thoradonta, Hancock. 
Hancock, Trans. Ent. Soc. London, p. 407, 1907. 
Thoradonta spiculoba, Hancock. 
Hanc., Mem. Dept. Agric. India, iv, p. 138, 1912; Hanc., 
Records Ind. Mus., viii, pp. 312, 313, 1913. 
