( ) 
Body blacky punctured, hairy; head above, punctures 
dense, distinct, profound, furnishing hairs ; on the front 
sparse, remote ; antennm pale piceous, first joint nearly one - 
third of the entire length, third joint rather longer than the 
second and with the others obconic, two terminal ones sub- 
globular ; lahru7n very short at tip punctured and setous, 
emarginate in the middle ; mandibles piceous, prominent, 
strongly dentate in the middle ; 'paljyi^ maxillaries promi- 
nent, pale piceous, terminal joint conic-acute, as large at 
base as the preceding joint, labiales pale testaceous, minute, 
throat with an impressed convex line; tAoraa? oblong, not 
wider than the head, punctures numerous, profound, furnish- 
ing hairs, angles rounded; sca^eZ impunctured ; elytra, punc- 
tures somewhat transversely confluent, a little hairy ; feet 
testaceous, thighs paler, anterior thighs near the tip abrupt- 
ly narrowed beneath, coxce piceous ; 'pectus impunctured ; 
postpectus and abdomen densely and minutely punctured, 
punctures hairy ; segments of the latter with rufoferrugin- 
ous posterior margins. 
Length less than two-fifths of an inch. 
Found nearEngr. Cantonment on the Missouri. 
4. L. bicolor, 6iav. This is an abundant species, and 
widely distributed. Nuttall gave me a specimen which he 
found in Arkansaw ; I have taken them in Missouri, Penn- 
sylvania and very commonly in this State. It varies consid- 
erably in its shades of colouring. I have an individual of 
which the thorax is pale yellow. 
5. L. dimidiatum. Black ; thorax and posterior half of 
the elytra rufous. 
Inhab. U. S. 
Black: /ica^Z with scattered punctures : fuscous ; 
first and second joints,and ^aZpZ honey-yellow: thorax hvighi 
rufous, with a dorsal hardly regular stria of seven or eight 
punctures, the stria somewhat impressed towards the base ; 
lateral punctures many, not crouded : elytra with orie or 
two hardly regular striae of punctures, and lateral scattered 
punctures ; an indented subsutural line ; bright rufous, the 
basal half black : tergum piceous black ; segments dull ru- 
fous on their posterior margins : feet pale yellow. 
Length three- twentieths of an inch. 
Var. a. Punctures of the thorax a little more regular and 
