of the Amazons Valley. 30 
with short hairs, the joints beneath fringed with long and 
straight hairs; first joint moderately short, thickened nearly 
from the base; third joint straight. Thorax cylindrical, sides 
without tubercles, surface punctured. LElytra linear, apex 
rounded, surface punctured throughout. Legs moderately 
elongated; thighs clavate; claw-joint of tarsi about as long as 
the three remaining joints taken together. Sterna narrow, 
simple. 
This genus forms a portion of a small group—including Dor- 
casta, Aprosopus, and Spalacopsis (= Eutheia, Guér.)—which 
differs from all the foregoing in the form of the head and in the 
shortness of the antenniferous tubercles. 
1. Amphicneia lineata, n. sp. 
A. brevis, sublinearis, fusco-nigra, thoracis vittis tribus, scutello et 
elytrorum vittis duabus lateralibus griseis ; elytris longe setosis, 
crebre punctatis, apice subobtuse rotundatis. Long. 25 lin. 
Head very short in front ; forehead thickly punctured through- 
out. Antenne filiform, rather thick, black. Thorax very thickly 
punctured, convex; dorsal line and a lateral vitta on each side 
greyish. Scutellum grey. Elytra sublinear, moderately nar- 
rowed towards the apex, and rounded at the tips ; surface thickly 
punctured thronghout, and clothed with longish stiff hairs ; 
blackish brown, with two tawny-ashy vittee on each side approxi- 
mating towards the base. Body beneath and legs rusty, shining, 
thinly clothed with greyish pile. 
Ega; common on dead twigs. 
2. Amphicneia pusilla, n. sp. 
A, minuta, testaceo-fusca ; thorace punctato, griseo trivittato ; ely- 
tris setosis, punctatis, testaceo-fuscis, sutura lateribusque obscu- 
rioribus ; antennis pedibusque ferrugineis. Long. 13 lin. 
Head rusty brown, forehead punctured, vertex and occiput 
thickly punctured. Antenne rusty red, sparingly setose, basal 
joint rather thick, forming an ovate club. Thorax evenly punc- 
tured throughout, rusty brown, the dorsal line and a broadish 
vitta on each side grey. Scutellum grey. Elytra linear, punc- 
tured throughout, testaceous, suture and sides rusty brown. 
Body beneath and legs pale ferruginous. 
Santarem. 
Closely allied to A. lineata, but distinguished by its smaller 
size and different coloration*. 
* A third species occurs at Rio Janeiro, in South Brazil :— 
A, lyctoides. Linearis, fusco-ferruginea; corpore supra. crebre passim 
: Beas 5 eens 
punctato. Antenne infra sparsin hirsuta. Elytra linearia, glabra, 
punctis sublineatim ordinatis. Corpus subtus et pedes fusco-ferruginea, 
Ann. & Mag. N. Hist. Ser. 3. Vol. xvii. 3 
