OF rtir. i m n.i ai a 11.-. 199 



Sail Diego, California. Resembles the nexl Bpeci< s, bul the feel are < ntirelj Mack, and 

 the thorax is less lustrous: the basal stria of the thorax arc \« r\ Bhort, and the bast is 

 deeply and decidedly transverse]; impressed between thi m. 



10. C. lsevicollis, pluinbco-nigcr, Bubnitidut fusco-pul tl orace latitudine non I 

 viore, convexo, lateribaa rotundatis, dense subtiliter punctulato, | inaliculato, angulu | 

 divergentibus, elytris dorso subdepressis, Btriis punctatis, interstitiis punctulatiB, vix libua 

 rufis, femoribus sitpc nigrioantibua. Long. 



?Er. Germ. Zeitschr. 2, 



One specimen from N^w York, in which the anterior thighs alone arc darker: another 

 in the collection of Dr. Harris, has ing both thighs ami tibia? piceous The palpi arc black, 

 and tlir posterior channel of the thorax i- deep: these (anno!, however, l» constant cha- 

 racters. The basal stria ofthe thorax arc Bhort, a- iii the preceding Bpccies. From the 

 next species it differs by it> less robust form, longer and less inflated thorax, and n 

 distin< t basal ~t ri.i-. Erichson does not mention the slight flattening of tin- disc of tin- 

 t 1\ tra. 



11. C. robustus, plumbeo-niger, vel aeneo-niger, minus elongatns, '1 



thorace latitndine breviore, con ' canalicnlato, lateribns rotundatis, dense Bubtiliter punctn 



angulis posticis vix divergentibus, elytris dorso Bubde] > punctati 



punctulatis, pedibus rufis, femoribus procipue infuscatis. Li 



Midi IN' Slates. If it were not for the superior size, this might be considered a- C. lsevi- 

 collis, but the thorax is fully one-third wider than long, and more convex than in the pre- 

 ceding; the feet vary verj much in colour; the antenn are always entirely black; the 

 palpi are sometimes black and soim times brown. The only difference l» tw< i n tin- and 

 the last i- in Bize and form, and future researches may -how that these variations are sex- 

 ual in their character. 



J!. Ungues ad medium unidentati : tarsi simplices. Sp. 12 — L5. 



1 _. < '. au f f 1 at us, piceus, subtiliter grisco-pubcscen.«, thorace latitndine sublon 

 ticeque angustato, latcribus rotundatis, valde convexo, Bubalutaceo, parce punctulato, 



QCte punctatis, interstitlia subplanis vix punctulatis, antennis j • . 1 1 j ■ j -- pedibusq 

 •20 -24. 



Two specimens, San Diego, California. A- in the oth( r apociee of thia division of the 

 genus, the posterior angles ofthe thorax are longer than in the Bpeciea above described, 

 and project directly backwards: the basal Btria are tolerablj long, but faint: the disc ol 

 the thorax is obsoletely channelled posteriorly : the elytra are more rounded at the hu- 

 merus than in the other Bpecics, and are not wiiler than the thorax. 



1 3. < '. in ■•<. nus, piceus, icons, tb 



que teribus r . valde i 



cius punctatis, interatitiis [ Long. '1 



Two specimens, San Di< go. [ndependi nth , distinguished by the piceoua ant< n- 



nse from the preceding, which it verj much resembles in form: the strife ofthe elytra 

 less impressed than in ( '. Bufflatus: th< thorax ia rufo-piceoue in o\ nen. 



