106 ACADEMY OF NATURAL SCIENCES 



aubmucronate on [164] the inner side; beneath, excepting the 

 venter, canaliculate. 



Length seven-tenths of an inch. 



Remarkable by the divarication of the tip of the elytra. It 

 very much resembles B. lurida Fab., in general appearance. 



[Belongs to Dicerca. — Lec] 



10. B. LONGiPES. — Black; immaculate, surface granulated; 

 elytra terminating in an abrupt short point. 



Inhabits the United States. 



Body deep black, immaculate ; thorax with an obsolete in- 

 dented line : scutel small, subangulated : elytra finely granulated : 

 an obtuse, obsolete, elevated line from the shoulder to the tip ; 

 tip abruptly terminated by a small spine in the centre : beneath 

 |)olished, slightly tinged with violaceous : tarsi of the interme- 

 diate and posterior feet elongated, as long or longer than the 

 tibia; first joint equal to the three following ones conjunctly; 

 fourth joint bilobate, very short. 



Length half an inch nearly. 



Found in Pennsylvania and the Western States. 



[A species of Melanophila, closely allied to M. atropurpurea 

 (ante p. lO^S,) and considered by some as the European M. ap- 

 l>cndkidata. — Lec] 



11. B. CYANIPES. — Elytra at tip narrowed, entire and divari- 

 cated ; scutel transverse. 



Inhabits Missouri. 



Body dark cupreous, tinged with greenish : head, before the 

 antenna), green : antenna; dark green : thorax confluently punc- 

 tured : scutel large, angulated each side behind, and excavated 

 in the middle : elytra with darker abbreviated, elevated irregular 

 lines ; tips very slightly recurved, divaricated, entire or obsoletely 

 [165] truncate: beneath bright cupreous, not canaliculate; tail 

 deeply emarginate : tarsi blue. 



Length two-fifths of an inch. 



This specimen was brought from the Missouri by Mr. Thomas 

 Nuttall. It resembles the divaricata in the manner of termi- 

 nating of the elytra. 



[Belongs to PoccUonota. — Lec.^ 



12. B. CAMPESTRis. [Ante 1, 60.] 



[Vol. III. 



