332 [ JUNE, 
flattened on the disc, not wider than the head and almost round; the scutellum 
is black; the elytra are nearly twice as wide as the thorax, glabrous, fulvous or 
luteo-rufous, densely punctured and entirely without lustre. The intermediate 
tibize are curved; the external spur of the posterior tibize is very broad and 
stout, obliquely truncate at tip. 
3. C. dichroa, nigra, supra glabra lutea, capite antice antennisque nigris, 
thorace subrotundato minus convexo, parce punctato, nigro biguttato, elytris 
sesqui latioribus subtilins secabro-punctatis. Long. °75. 
One specimen, Mexican Boundary; collected by Mr. Clark, under Col. J. D. 
Graham. Head sparsely punctured black behind the eyes luteous, sides parallel, 
base broadly rounded. Antenne scarcely as long as the head and thorax, joints 
from the 4th subglobular, increasing in size, last joint oval, acute. Thorax as 
broad as the head, rounded, very slightly transverse, base broadly rounded, 
slightly margined, dise not convex, obsoletely channeled, sparsely punctured, 
marked with two black dots before the middle. Scutel black. Elytra one half 
wider than the thorax, scabrous with punctures which are somewhat smaller 
than in C. fulvipennis. Beneath black, middle tibiae curved; outer spur of the 
posterior tibie very thick, and cylindrical, obliquely truncate. 
4. L. biguttata, nigra, parce pallide pubescens, capite parce punctato, 
puncto verticali tlavo, thorace convexo Juteo, nigro-bipunctato, elytris luteis 
scabro-punctatis macula utrinque pone medium nigra. Long. <4. 
Santa Fé, New Mexico; Fendler. Body black, above and below thinly pubes- 
cent with pale hair. Head black, sparsely and coarsely punctured, base almost 
truncate; vertex with a yellow spot, eyes moderately large. Antenne scarcely 
longer than the head and thorax, thickened externally, outer joints subglobular, 
in the male the 4th, 5th and 6th joints are a little swollen, so that the 3d joint is 
smaller than the 4th. Thorax convex, rounded, impressed and subemarginate at 
base, luteous shining, sparsely punctured, with two small black spots on the disc, 
and occasionally another one each side on the edge of the disc. Scutel black. 
Elytra twice as wide as the thorax, scabrous-punctured dull yellow, with a black 
spot on each behind the middle; the extreme margin of the suture is black ante- 
riorly. The feet vary from luteous to black; when they are luteous, the knees 
and tarsi are fuscous: the intermediate tibie are curved; the outer spur of the 
posterior tibiz is thick, cylindrical and obliquely truncate at the tip; the inner 
one is shorter and acute. The body beneath is black, the last joints of the ab- 
domen more or less yellow on the sides. 
5. L. nitidicollis, nigra, capite thoraceque luteo-flavis nitidis parce punc- 
tatis, hoc longiusculo, elytris subopacis luteis seabris. Long. -65. 
Cantharis nitidicollis Le Conte, Ann. Lyc. 5, 160. 
San Diego, California, June, not common. Head above and below shining 
reddish yellow, very sparsely punctured, sides behind the eyes parallel, base 
broadly rounded; eyes moderately large; mouth black; antenne longer than the 
head and thorax, slightly thickened externally, outer joints oblong, slightly 
rounded. Thorax a little narrower than the head, longer than wide, narrowed 
in front, shining reddish yellow, very sparsely punctured, with a shallow trans- 
verse concavity before the middle. Scutel black or dusky. Elytra twice as 
wide as the thorax, luteous, scabrous-punctate, almost without lustre, with two 
slight lines more distinct than usual. Body and feet black, the intermediate 
tibiz slightly bent, posterior tibia with the external spur cylindrical, thick and 
obliquely truncate, the inner one small, slender, subacute. 
6. L. me@rens, atra, subopaca, capite thoraceque parce punctatis, hoc sub- 
quadrato, aatice rotundato ad medium breviter canaliculato, elytris thorace sesqui 
latioribus scabris. Long. .7. 
Cantharis merens Le Conte, Ann. Lyc. 5, 216. 
One specimen, Sacramento, California, collected by Mr. J. Child, and given 
me by Mr. S. S. Rathvon. Body entirely dull black. Head a little dilated be- 
hind the eyes, which are oblique and moderate, base truncate, surface thinly and 
coarsely punctured, vertex subcanaliculate ; front before the antenne transversely 
