179 
the elytra, the pale belt being sometimes extended into a large 
triangular patch, and sometimes blended with the pale-brown 
shade of the apical half of the wing-cases. The species seems 
to be very closely allied to H. subfasciata, Thomson (Classif. des 
Ceramb. p. 118). 
5. Hypselomus rodens, n. sp. 
H. oblongiis, nigro-fuscus, carneo-fulvo strigatus ; thorace supra baud 
tuberculato ; elytris humeris apice truncatis, postice uncinatis, 
pone medium fascia obliqua pallida. Long. 6 lin. $ . 
Head dingy black, crown sprinkled with reddish tawny. An- 
tennae black, sprinkled with tawny ; base of each joint, from the 
fourth, pale. Thorax convex above, and free from tubercles, 
sides with an inconspicuous tubercle. Elytra oblong, shoulders 
prominent, but the apex of the cone largely truncated, with the 
posterior edge of the truncature projecting; surface coarsely 
punctured, blackish, streaked with reddish tawny, behind the 
middle tawny streaked with black, the tawny part separated 
from the anterior darker portion by a pale-ochreous fascia. 
Body beneath tawny, middle of abdomen black. Legs tawny, 
sprinkled with black, base of claw-joint reddish. 
Para. 
6. Hypselomus pag anus, Pascoe. 
H. sordide fuscus, nigro obscure irroratus ; thorace dorso tuberoso, 
lateribus tuberculo acuto ; elytris humeris subconicis, antice cur- 
vato angulatis, cristis centrobasalibus prominulis, obtusis. Long. 
7-8 lin. c? $ . 
Head dingy brown. Antennae blackish brown, bases of the 
joints (from the fourth) pallid. Thorax with prominent dorsal 
ridge and, on each side, two well-marked tubercles, sides each 
with a small acute tubercle ; colour dingy tawny brown, speckled 
with dusky. Elytra with projecting shoulders, the projection 
somewhat conical, but anterior slope curved or angulated, the 
apex formed by a thick black tubercle ; centro-basal ridges pro- 
nounced, but not crested with tubercles ; surface dingy tawny 
brown, speckled or irregularly marked with dusky. Body be- 
neath dingy brown ; abdomen black in the middle. Legs 
blackish, speckled with tawny ; base of claw-joint reddish : 
posterior tibise in the male dilated at apex. Supplementary 
antennal joint of male wanting. 
Ega and S. Paulo, Upper Amazons. 
7. Hypselomus seniculus, n. sp. 
H. parvus, fuscus griseo vestitus, summa fronte acute bituberculata ; 
elytris grosse punctatis, humeris modice productis, obtuse trun- 
s 2 
