of the Amazons Valley. 427 
deep black, suture near the scutellum red. Body beneath and 
legs testaceous red ; apical part of the abdomen, tarsi, and apices 
of the tibize black. 
Kga. 
4. Amphionycha miniacea, n. sp. 
A. elongata, parallelogrammica, glabra, rufa; elytris nigris, medio 
castaneo-rufis, utrinque maculis quatuor suturaque rufis ; antennis 
nigris, articulis tertio quartoque rufis ; thorace postice paulo dila- 
tato; elytris truncatis, angulis externis valde productis, internis 
dentatis. Long. 43-53 lin. ¢ Q. 
Head bright red, marked with large, distinct, scattered punc- 
tures. Antenne a little longer than the body in the g, shorter 
in the ? , sparingly setose, black ; third, fourth, and sometimes 
also the fifth, jomts reddish testaceous; third joint one-fourth 
longer than the fourth. Thorax marked with very large scat- 
tered punctures, red; sides behind the middle dilated. Elytra 
parallelogrammical, depressed above; apex broadly truncated, 
with the external angle of the.truncature much elongated, and 
the sutural angle produced into a point ; surface closely punc- 
tured, dark red on the disk, shining black on the sides, glabrous, 
each elytron with four elongate patches, and a streak down the 
middle part of the suture, of dense bright-red tomentum (pallid 
in dried examples); one spot is near the scutellum, another 
underneath the shoulder, a third a little before, and a fourth a 
little after the middle. Body beneath and legs red. 
I took numerous specimens of this beautiful species on the 
leaves of a tree in the forest at Obydos, Lower Amazons. In 
life the red colour is of a clear vermilion hue. 
5. Amphionycha megalopoides, n. sp. 
A. brevis, oblonga, flavo-testacea ; capite lato, fronte nigra, bipeni- 
cillata, occipite nigro, bifasciato; thorace postice transverse sul- 
eato; elytris singulis maculis duabus nigris ; antennis rufo-testa- 
ceis, articulo quarto flavo, articulis 5°-11™ fuscis. Long. 44 
him Gi 
Head broad, pale testaceous, clothed with fine pubescence and 
long pale hairs; face much narrowed below the eyes; forehead, 
near each eye, furnished with a cluster of long, black hairs ; 
occiput with a black vitta behind each eye. Antenne a little 
longer than the body, fringed with long scant hairs; third joint 
nearly twice the length of the fourth ; basal joints reddish testa- 
ceous; fourth jomt yellow, the rest dark brown. Thorax 
widened behind, and marked with a transverse sulcus near the 
hind margin ; pale testaceous, opake. Scutellum dusky. Elytra 
short and broad, oblong, slightly narrowed behind, apex rounded; 
-lateral carina thick and flexuous ; surface punctured towards the 
