Amazonian Prionides. 
43 
Genus Ctenoscelis. 
Serv. Ann. Soc. Ent. Fr. 1832^ p. 134. 
1. Ctefioscelis ater, 
Oliv. Ent. 66, p. 11, pi. 7, f. 24, $ . 
Ct. piceo-niger, tarsis posticis lobis angustissimis et 
longe spinosis ; elytris apice apud suturam sinuatis, 
angulo suturali spinoso. 
Long. 34-3| unc. ( ^ . ? ). 
$ . Thorax minutissime et creberrime punctatus, disco 
utrinque plagis angustis tribus grosse scabrosis 
nitidis ; antennae longitudine corporis, intus denti- 
culatae ; tarsi lobis intermediis et posticis spinosis. 
$ . Thorax omnino grosse scabrosus ; antennae dimi- 
dium corporis attingentes, punctatae ; tarsi lobis 
omnibus spinosis. 
I obtained many specimens of this fine species at Ega, 
on the Upper Amazons, on the trunks of large felled 
trees. 
2. Ctenoscelis Dyrrliacus. 
Buquet, Ann. Soc. Ent. Fr. 1843, p. 235, pi. 9, 
fig- 1, (?• 
Ct. piceo-niger, tarsorum lobis ovatis, hand spinosis ; 
thorace utroque sexu scabroso, medio la3vi, nitido ; 
antennis articulo basali breviori et validiori ; elytris 
apice nec sinuatis nec dentatis. 
Long. 3 unc. 4 lin. — 4 unc. 4 lin. {<S $ ) ; lat. elytr. 
i^) 18 lin. 
Acanthinodera Wiamata, n. sp. 
<J . Oblonga, depressa, rufo-castanea, tibiis tarsisque flavo-castaneis, 
capite, tborace, scutello et pectore quam A. Cumingii, S , minus dense 
flavo-lanuginosis, puncturis grossis capitis thoracisque patentibus. 
Antennse robustge, leviter serratse, corpore paulo longiores, articulis 
subgequalibus, prime punctate, reliquis laevibus. Tberax trans versus, 
lateribus utrinque antice valde bihamatis. Elytra eblenge-quadrata, 
depressa, marginibus explanatis, apice sub-truncata, angule suturali 
spinese, supra subtiliter alutacea et elevate-reticulata cestis quatuer 
vix perspicuis. Pedes elengati, graciles, valde cempressi, sparsim 
birsuti ; tarsis elengatis, linearibus, articuli tertii lobis angustissimis 
acutis. 
Long. 11 lin. 
Hal). — Mendoza. A Dom. Ed. Steinheil recepta. 
