382 [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 internnediate 

 tibiae are curved; the external spur of the posterior tibiae is very broad and 

 stout, obliquely truncate at tip. 



3. C. d i c hroa, nigra, supra glabra lutea, capite antice antennisque nigris, 

 thorace subrotundato minus convexo, parce punctato, nigro biguttato, elytris 

 sesqui latioribus sublilius scabro-punctatis. Long. -VS. 



One specimen, Mexican Boundary; collected by Mr. Clark, under Col. J. D. 

 Graham. Head sparsely punctured black behind the eyes liiteous, sides parallel, 

 base broadly rounded. Antennae 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, disc 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 tibice very thick, and cylindrical, obliquely truncate. 



4. L. biguttata, nigra, parce pallide pubescens, capite parce punctato, 

 puncto verticali tlavo, thorace convexo luteo, nigro-bipunctato, elytris luteis 

 scabro-punctatis macula utrinque pone medium nigra. Lonj;. 4. 



Santa Fe, 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. Antennae 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 atste- 

 riorly. The feet vary from luteous to black; when they are luteous, the knees 

 and tarsi are fuscous: the intermediate tibiae are curved; the outer spur of the 

 posterior tibice 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 les* yellow on the sides. 



5. L. n i t i d i c o 1 1 i s, nigra, capite thoraceque luteo-flavis nitidis parce punc- 

 tatis, hoc longiusculo, elytris subopacis luteis scabris. Long. -65. 



CantJiaris nitidicollls Le Conte, Ann. Lye. 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 ; antennae 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 bhck, the intermediate 

 tibiag slightly bent, posterior tibiae with the external spur cylindrical, thick and 

 obliquely truncate, the inner one small, slender, subacute. 



6. L. m CB re n s, atra, subopaca, capite thoraceque parce punctatis, hoc sub- 

 quadrato, antice rotundato ad medium breviter canaliculato, elytris thorace sesqui 

 latioribus scabris. Louii. .7. 



Cantharis mczrens Le Conte, Ann. Lye. 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 antennae transversely 



