of the Amazons Valley. 193 
separated by dark-brown specks. Body beneath and legs dark 
brown, the latter clothed with long, stiff hairs. 
Banks of the Tapajos, on dead twigs. 
2. Blabicentrus angustatus, n. sp. 
B. angustatus, ellipticus, minus convexus, fusco-ferrugineus ; thorace 
medio utrinque distincte tumido, deinde angustato ; antennis ely- 
trisque setosis, his apice cblique breviter subobtuse truncatis. 
Long. 23 lin. 
Ilead rusty brown, impunctate, scantily clothed with greyish 
pubescence ; eyes moderate, distant ou the vertex. Antenne se- 
taccous, half as long again as the body (? ¢ ), scantily clothed 
with fine bristles, rusty brown. Thorax broader than the head 
in the middle, thence sinuate-angustate to the base; surface very 
slightly convex, smooth, rusty brown, shining, scantily clothed 
with very fine pubescence. Elytra scarcely broader than the 
middle part of the thorax, narrowed towards the apex, which is 
briefly and obliquely truncated ; surface very slightly convex, 
marked witha few scattered punctures, and clothed throughout with 
longish and rather fine erect hairs, rusty brown, with fine greyish 
pubescence arranged in lines. Body beneath and legs rusty 
brown, the latter partially clothed with fine hairs. 
Santarem, on dead twigs. 
Genus ERIopsiLus, nov. gen. 
Body elongate-oblong or sublinear, clothed throughout with 
long woolly hairs. Face short and rather broad; muzzle a little 
dilated below the eyes; eyes small, widely distant on the vertex ; 
crown broad and not depressed between the antenniferous tuber- 
cles, the latter scarcely prominent. Antenne scarcely so long 
as the body, filiform ; basal joint short and thick, attenuated at 
the base ; third and fourth joints together as long as all the suc- 
ceeding joints, which are each very short. Thorax subquadrate, 
each side armed in the middle with a short conical tubercle. 
Elytra elongate-oblong, rounded at the apex. Legs short ; thighs 
clavate ; tarsi short and broad, basal joint triangular; claw-joint 
elongated, slender, claws widely divergent and simple. 
Eriopsilus nigrinus, n. sp. 
E. elongato-oblongus, fuliginosus, nitidus, capillis longis ubique ves- 
titus, supra grosse punctatus. Long. 3 lin, 
Head broad, forehead closely and finely punctured and with 
an impressed central line, vertex coarsely punctured, black 
shining. Antenne a little shorter than the body, thickly clothed 
throughout with long and fine woolly hairs of a blackish colour ; 
Ann. & Mag. N. Hist. Ser.3. Vol. xvi. 13 
