254 Mr. H. W. Bates on Ceramhycidce 
closed exteriorly. The closure is not produced by the 
elongation of the outer branch of the mesosternum to 
meet the corresponding part of the metasternum^ but by 
a small prominence or tubercle at the anterior edge of 
the latter. The form of body is more cylindrical, and the 
derm more naked than in Criodion, and there is a strik- 
ing difference in the antenniferous tubercles, which are 
contiguous to each other, and form, in fact, a short trans- 
verse bicuspid ridge between the roots of the antennge. 
The intermediate tibiaa have a spine externally at their 
apices, which character distinguishes the genus from 
Xestia, where the tibi^ are unarmed. 
I believe Cer, setosus, of Germar, belongs to this 
genus. 
1. Sj)hallenum puncticollej n. sp. 
Elongatum, subcylindricum, nigro-fuscum, sparse seto- 
sum, an tennis thorace scutello lateribusque pectoris 
fulvo-griseo-tomentosis ; thorace punctis magnis discretis 
impresso ; elytris castaneis, subtiliter punctulatis, apice 
utrinque bispinosis, femoribus medio rufo- castaneis. 
Long. 1 un. 2 lin. — 1 un. 8 lin. $ ? . 
Differs from the following species in the separated 
punctures of the thorax, and in the dense and fine to- 
mentose clothing of the same member. I should have 
taken it to be the Criodion castanopterum of Erichson, if 
there had been any allusion in that authoEs description 
to the tomentose thorax. It is also allied to Sph. setosus, 
of Germar ; but differs in wanting the erect yellow hairs 
on the elytra, mentioned in that authoEs description, 
and in the red femora. The elytra have only very 
minute, almost microscopic bristles in the punctures. 
Hah. — Upper and Lower Amazons ; generally found 
in repose on the leaves of trees in the forest. 
2. SphaUenum femorale, n. sp. 
Criodion castanopterum , Erichson, in Schomburgk^s 
Keise, iii. 572 (?) . 
Elongatum, subcylindricum, nigro-fuscum, sparse seto- 
sum, antennis scutello lateribusque pectoris fulvo-griseo- 
