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NATURAL HISTORY OF 
ZIROPHORUS EXARATUS. 
PLATE V. Fig. 4. 
Ziroph. exaratus, Dejean. 
The length is about nine lines. It is of a uniform 
black colour, very smooth and shining, the tarsi alone 
and the hairs on the antennae and legs, being brown. 
The mandibles are slightly curved upwards at the 
tip, and furnished with tw r o or three large angular 
projections or teeth. The head, which is very short 
and wide, has a deeply impressed line down the 
middle, meeting at right angles a transverse one 
behind the head. The thorax and elytra are nearly 
of equal width, the surface flat, very smooth and 
shining, and the former having a line down the 
middle. The abdomen is very narrow, and fringed 
with brown hairs, the terminal segment conical. 
The under parts of the body and legs are black and 
shining ; the anterior tibiae armed with small teeth 
on the outer edge. The tarsi are brown or pitch- 
red. Inhabits Brazil, occurring not unfrequently. 
SERRICORNES. 
The next division of the pentamerous Coleoptera 
which presents itself to our notice, includes an ex- 
tensive variety of species, in which the antennae are 
more or less obviously serrated or pectinated, on 
