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1. Alcidion oculatum, n. sp. 
A. oblongum, postice modice attenuatum, tomento cervino subsericeo 
vestitam : thorace maculis duabus nigro-fuscis, albo marginatis : 
elytris lateribus acute carinatis, dorso Isevibus, utrinque fascia dis- 
cali intermpta nigro-fusco ornatis. Long. 3f lin. 
Head and thorax tawny brown ; disk of the latter with two 
short blackish lines, narrowly margined with whitish. Antennae 
dusky, base of each joint from the fourth pallid ; basal joint 
gradually clavate, the outline waved beneath. Elytra prominent 
at the shoulders, gradually narrowed to three-fourths of their 
length, then more quickly so to the apex, which is briefly and 
very obliquely truncate, without spines : the sides are acutely 
carinated ; the dorsal carina is effaced, but the centro-basal ridge 
is very prominent, and crested with hairs j the surface is punc- 
tured (except near the apex) ; the colour is tawny or violaceous 
brown, with a slight silky gloss, having on the disk behind the 
middle a short blackish-brown fascia, bordered on the basal side 
with pale ashy ; a small linear mark of the same colour is seen 
also near the suture towards the apex, and the suture, disk, and 
lateral margins have rows of small dark spots. Beneath tawny 
ashy. Legs testaceous j thighs varied with ashy ; tibise black 
at the base and apex ; tarsi with the middle joints black. 
Ega; on slender dead branches in the forest. 
2. Alcidion triangulare, n. sp. 
A. breve, postice valde attenuatum, fulvo-griseum : thorace fusco 
bimaculato : elytris medio irregulariter cinereo fasciatis, apicem 
also Leiopus emeritus (Erichson, Conspectus Ins. in Peruana, p. 147) of 
Eastern Peru. The two following should also be added : — 
A. hispinum (Dej. Cat.). Modice elongatum, apud humeros latum, postice 
declivum et attenuatum, fusco-testaceum griseo olivaceoque variegatum. 
Caput nigrum. Antennae fusco-testaceae, articulo basali subiter cla- 
vato, clava infra barbata. Thorax griseo-olivaceus. Elytra apice 
sinuato-truncata, angulo interno acuto, externo longe mucronato, supra 
utrinque bicarinata, carinis la3vibus, interstitiis punctatis, carina centro- 
basali nigro penicillata; grisea olivaceo varia, fascia pone basin nigri- 
cante. Subtus testaceum, sternis nigricantibus. Pedes testacei, griseo 
rnaculati. Long. 3^ lin. Hab. Rio Janeiro. 
A. lineatum, u. sp. Elongatum, apud humeros minus latum, olivaceo- 
fulvum, olivaceo-fusco varium. Caput olivaceum, vertice fusco bi- 
punctato. Antennae fusco-testaceae, articulo basali sensim clavato, 
infra planato et barbato. Thorax medio fusco bivittatus. Elytra valde 
elongata, punctata, apice sinuato-truncata, angulo interno acuto, ex- 
terno obtuse dentato ; carina dorsali tenui et acutissima, centrobasali 
parum prominente, lateribus discoque etiam carinatis, carinis obtusis 
et abbreviatis. Subtus nigricans ; pedibus fuscis. Long. lin. 
Hab, Venezuela. 
T 2 
