278 Mr. H. W. Bates on Ceramhycidce 
The genus undoubtedly belongs to the SpJiceriince 
by the majority of its characters, although the facies is 
entirely different, owing to the sub-orbicular form of the 
thorax; the tibise are not perceptibly sulcate. 
1. Terpnissa listropterinay Bates, 1. c. 
Mgricans, pube tenui cinerea induta, et sparsim nigro- 
setosa; antennis (articulis quatuor basalibus exceptis) 
flavis ; capite postice thoraceque rufis, rufo-sericeis ; ely- 
tris punctulatis, cinereis, basi, lateribus, vittaque mediana 
abbreviata, nigris. 
Long. lin. d'. 
Hah. — Tapajos. 
Resembles certain species of Listroptera in the ashy 
clothing of the underside, and the markings of the 
elytra. 
Genus Mallocera. 
Serville, Ann. Soc. Ent. Fr. 1838, p. 567 ; Lacord, 
Gen. vhi. 320. 
1. Mallocera amazonica, n. sp. 
Elongata, nigra, pube variante argenteo-sericea vestita, 
elytris passim breviter nigro-setosis, capite subtus et pec- 
tore longe hirsutis ; antennis subtus ciliatis, articulis 3-6 
carinatis et apice unispinosis; thorace elongate, lateribus 
medio tuberculo magno, dorso quadri-tuberculato et medio 
linea impressa ; elytris apice oblique truncatis et unispi- 
nosis, argenteo-sericeis, fasciis duabus latis indistinctis 
nigris, una prope basin transversali dentata, altera ad 
medium obliqua, apice certo situ nigricante ; pedibus 
valde elongatis, robustis, femoribus medio paulo incras- 
satis, apice inermibus. 
Long. 10 lin. J • 
Much resembling M. glauca, Serv., the type of the 
genus, but differing in the setose elytra, and in the apex of 
the same having one spine only instead of two. The 
setae of the elytra are rather short, black, and rigid, and 
cover the whole surface with the greatest regularity ; the 
punctures from which they spring are not visible, owing 
