OF THE COLEOPTERA LONGICORNIA OF THE UNITED STATES. 37 



tion of llic intermediate one rectilinear and oblique, confluent with the interior one, which is the shortest, all of 

 them abbn viate I at one third the distance from the apex of the elytra: clavus of the femora blue-black. 

 10 lines long; 3 wide. Georgia. Cab. Le Conte. 



Belongs to the genus Physocnemum. Named by Dejean from the resemblance the 

 lines on the elytra bear to a St. Andrew's cross. 



46. C. violaceum, tin. Fabr. Syst. El., ii. 335. Harris, p. 83. 



Judginc from drawings in the possession of Mr. Le Conte, I think C. cyanellum and 

 ianthinum, Dej., are varieties of this species. 



47. C. ligxeum, Fabr. Syst. El., ii. 3 11. Oliv., pi. 70, fig, 79. 



18. C. amcenum, Say. Journ. Acad., iii. 113. (Phymatodes variabilis?) 



Ii). C. KiLvii'E.NNE, Say. Journ. Acad., iii. 111. [Purpuricenus, fide Le Conte.] 



50. C. proteus, Kirby. (Merium.) N. Z. 172. [Ilylotrupes^rfe Le Conte.] 



51. C. similis, Kirby. (Merium.) N. Z. 173. 



52. C. varitm, Fabr. Syst. El., ii. 3 1."). Oliv., Eat. IV., pi. 70, fig. 55. Versicolor, 

 Turton, L. ii. 329. 



This species has the short antenna} of Callidium, and approaches the next genus by the 

 three smooth tubercles above. 



53. C. PALLIPES. 



Uniform yellowish-brown, pilose; feet and beneath much paler; femora clavatc. 

 1 long; li wide. Inhabits Pennsylvania — New York. 

 Callidium femoratum, Mels. Cat. No. 817. 



51. C? sexfasciatum, Say. Journ. Acad. N. Sc, iii. 415. 



Inhabits Alabama in June — on leaves? — Hentz. 

 55. C. dimidiatu.v, Kirby. (Merium.) N. Z. 1 7. 

 5G. C. ciwamoptf.rum, Kirby. (Tctropium.) N. Z. 174. 



PHYMATODES, Mulsant, p. 47. Meeium, Kirby. 

 57. P. variabilis, Liu., fenicum, /•'., ii. 334. M. C, No. 802. 



A well known European species. It. presents several marked varieties, and is found 

 from Massachusetts to Alabama. Callidium fuscum, Mels. Cat., No. 820, is a small 

 variety, of an ochraceous colour. 



V wt. venlralis. Testaceous; head above, eyes, tnctathorax, and three basal articulations of the abdomen black. 



Allied to the variety P. tcstaceus, Lin. Inhabits Alabama. 



■\'\ LONOTUS. (<Mallocera.) 



Body minutely scabrous, convex; antenna? slightly hairy, robust, tapering rapidly, at le 

 as long as the body, ri)„i/irrssnl, with a groove upon the anterior edge from the third 

 articulation, which is the longest, exceeding the fust and second conjointly; pronotum 

 stil>L r lol)iilar. with polished tubercles; elytra unarmed; femora incrassatcd. 



VOL. X. 10 



