the North-eastern Frontier of India. 129 
black tooth on inner margin near apex, and a longitudinal row 
of black tubercles beneath ; hind tibise moderately dilated on 
both sides, strongly angulated a little beyond the middle of 
inner side, after which they are narrowed and finely serrated 
to apex ; tarsi with apical joints reddish. 
Long. 43 millims., exp. pronot. ang. 19millims., lat. at base 
of corium 11 £ millims. 
North Khasia hills, 1500 to 3000 feet. 
Its large size will readily distinguish this species from any 
other of the genus at present described. P. malaya , Stal, is 
the most nearly allied form ; but the shape of the pronotum 
is different. 
Notobitus excellens , n. sp. 
6 . Head and pronotum brassy black. Antenna with the 
first three joints subequal, brassy black; apical joint longest, 
luteous, with its apical half fuscous. Rostrum extending 
nearly to intermediate coxa?; last two joints obscure luteous. 
Eyes luteous. Pronotum very finely granulate, lateral angles 
very slightly prominent and rounded ; near the posterior basal 
side of each of these is a small hollowed impression, on inner 
side of which is a very obscure, small, tuberculous irregularity. 
Scutellum very finely granulate, brassy black, becoming- 
brownish towards apex. Corium brown, very obscurely and 
faintly pilose. Membrane brassy brown. Abdomen above 
black with inconstant luteous markings. Underside of body 
and legs brassy black, anterior and intermediate tibia with 
their apical halves brunneous, tarsi dull luteous. Posterior 
femora much thickened, sparingly covered with small raised 
points and with a row of acute tubercles on upper surface; a 
strong and 'curved spine a little beyond middle beneath; 
between this and the base are two smaller ones, gradually 
decreasing in size, and another between it and the apex, where 
there are two spines. Posterior tibia moderately curved, 
inner margin denticulated, some teeth much larger than 
others. 
Long. 30 millims., exp. pronot. ang. 9 millims. 
$ . Differs from 3 in being uniformly pale brown above; 
and it is also lighter in colour beneath than the other sex. 
Legs brown; fore and intermediate tibia with apical halves 
paler; tarsi dull luteous, as in $. 
Long. 31 millims., exp. pronot. ang. 10 millims. 
North Khasia hills, 1500 to 3000 feet; Nagahills, 2000 to 
6000 feet; Sadia, north of Brahmaputra, 350 feet. 
Ann. & Mag. NHist. Ser. 5. 1 r ol. iii. 9 
