of the Amazons Valley. 81 
Zanclea testudinea. (PI. V. fig. 5.) 
Z. fulvo-testacea, nitida; capite inter oculos, prothoracis disco elytrisque 
maculis nigris, his utrinque tricarinatis. 
Hab. ga. 
Fulvo-testaceous, shining; head transverse, rounded anteriorly, black 
between the eyes, lip small, distinct; antennz testaceous, short, con- 
cealed at the base, twelve-jointed, the first two moderately elongate, 
incrassate, the remainder to the tenth gradually diminishing in length, 
the last two forming a large, almost rounded club ; palpi pale testaceous, 
terminal joint of the maxillary obliquely triangular, of the labial sub- 
cylindrical; prothorax sparsely punctured, transverse, bisinuate ante- 
riorly, the lateral margins rounded and dilated, two slightly raised costee 
on each side, with a dark ill-defined black patch on the disk; scutellum 
small, scutiform; elytra a little wider than the prothorax and closely 
connected to it at the base, the lateral margins dilated, with three 
carinze on the middle of each, several black spots on the disk which 
unite to form an O-shaped mark, from which diverge towards the 
anterior angles and posteriorly four obscure spots ; body beneath testa- 
ceous, shining, with scattered linear punctures; legs pale testaceous ; 
femora robust ; tibize subfiliform, unarmed; tarsi with the claw-joint 
much longer than the three basal joints together. Length 1 line. 
Bitoma socialis. 
B. angusta, rufo-fusca; prothorace subquadrato, utrinque bicostato, basi 
lineis duabus elevatis V-formibus signato; elytris quinquecostatis, sin- 
gulis medio rufo vittatis. 
Hab. Ega. 
Narrow, dark reddish brown, on each elytron a broad central reddish 
stripe ; head closely and coarsely punctured, an impressed line in front 
which divides between the eyes, and terminates on each side in a hollow 
on the dilated portion above the insertion of the antenne ; prothorax 
transversely subquadrate, the margins crenated, with two costz on each 
side, which are slightly curved inwards anteriorly, and at the base be- 
tween them two elevated lines forming a narrow V-shaped mark ; scu- 
tellum transverse ; elytra 5-costate, with two rows of coarse punctures 
in the intervals; body beneath and legs rufous brown; antennee dark 
brown. Length 1} line. 
Beneath the bark of Inga trees in “‘ numerous assemblages.” 
Bitoma pauaxilla. 
B. angusta, ferruginea; prothorace subquadrato, utrinque bicostato, basi 
lineis duabus elevatis parallelis distantibus ; elytris 5-costatis. 
Hab. San Paulo. 
Smaller and narrower than the last, uniformly ferruginous; head 
finely granulate, slightly convex in front; prothorax nearly quadrate, 
