Tor this pretty species 1 am indebted to Mr. 
J . Barabino of New Orleans. 
4. C. vigilansy Head and thorax brassy ; an- 
tennte at base and feet ferruginous ; elytra viola- 
ceous. 
Inhab. Mexico. 
Pubescent : head impunctured, brassy-green, 
polished ; two obsolete indentations between the 
antennas : lahrum transversely narrow, trunca- 
ted, and with the palpi dull rufo-ferruginous : — 
antennae fuscous, pubescent, three basal joints 
subglabrous, rnfo-ferruginous : thorax brassy- 
green, with rather dense, very short hair, polish- 
ed ; dorsal and basal impressed lines distinct ; — 
posterior angles not excurved, but obtusely angu- 
lated, almost rounded: eZyfra bluish-violaceous, 
with punctured striae ; interstitial spaces pubes- 
cent, depressed, and minutely granulated : be- 
neath blackish : /ee? rufo-ferruginous. 
‘ Length half an inch. 
Much like C. nemoralis. Say, but the antennsj 
of that species are entirely rufo-ferruginous, iti 
•posterior thoracic angles are slightly excurved, 
'&C. 
5. soccatusy Blackish ; feet ferruginous with 
'blackish tarsi and joints. 
Inhab. Mexico. 
Body blackish, with a slight violaceous tinge ; 
minutely pubescent, punctured : Aeadblued-black, 
glabrous,. two slight indentations between the an- 
tennae, and an obsolete transverse one between 
the eyes : antennae pubescent, blackish, three basal 
joints dark piceous : palpi piceous : thorax short ; 
lateral margin regularly arquated ; posterior an- 
gles rounded ; impressed lines dilated : elytra 
with punctured striae ; interstitial spaces minute- 
ly granulated, depressed : beneath blackish : feet 
rufo-ferruginous, joints and tarsi blackish-piceous. 
Length nearly half an inch. 
Resembles vigilans Nob., but the thorax is 
shorter and the lateral curvature is more regu- 
lar, that of the preceding species being almost 
rectilinear from near the middle to the posterior 
angles, the colours also are different in their ar- 
rangement. 
Of this genus I have sixteen North American 
described species. 
OODES, Bonel. 
0 1 parallelusy black ; thoracic angles rufous ; 
feet piceous. 
Inhab. Louisiana. 
Body black, very slightly tinged with piceous : 
head with but a slightly impressed point between 
the antennse : antennae reddish brown, three basal 
joints honey yellow : palpi honey yellow : man- 
dibles piceous : thorax narrowed before, smooth, 
dorsal line distinct, not extended on the margins ; 
basal lines distinct, oblique ; region of the poste- 
rior angles a little, but widely, depressed, rufous 
or sanguineous, and by transmitted light it ap- 
pears reticulated ; impunctured ; posterior angles 
Tounded, but not obtusely so ; greatest width a 
