Sept. 1897] Hayward: Coleoptera of N. E. America. 143 



B. coxendix Say.— ]omn. Ac. Phil. 1823, ser. i, III, p. 151. 



Habitat : Illinois, Lake Superior region, Manitoba, Nebraska, Kan- 

 sas, Colorado, New Mexico and Texas. 



B. confusum Hayw. — Trans. Am. Ent. Soc. 1897, XXIV, p. 52. 



This species has for some time been regarded as a variety of the pre- 

 ceding, but seems distinct by the characters above given. It is the 

 nitidulum of Dejean. 



Habitat : The Eastern United States, extending westward to Colo- 

 rado. 



B. americanum Dej. — Spec. 183 1, V, p. 84. 



This and the next four species differ from the others in which the 

 dorsal punctures are placed on the third stria by the subangulate elytral 

 humeri. 



Habitat : The greater part of the region east of the Rocky Moun- 

 tains. 



B. dilatatum Z^r.— Ann. Lye. 184S, IV, p. 455 {^Ochthe- 



dromus). 



But two specimens are known to me. Of these one is Leconte's 

 type, from Columbia, Pa. The other is from the Indian Territory and 

 in Dr. Horn's collection. 



B. honestum 6>7.— Trans. Am. Phil. Soc. 1823, 11, p. 82. 



This has been previously known as antiquum Dej. It approaches 

 the next very closely. 



Habitat : Canada and the United States from the Atlantic to the 

 Rocky Mountains and Texas. 



B. chalceum Dej. — Spec, 1831, V, p. 88. 



Habitat: The same region as the preceding, but apparently less 

 abundant. 



B. blanchardi Hayiv.—Tr2ir\s. Am. Ent. Soc. 1897, XXIV, 



P- 56. 



Habitat: Lowell, Mass. 



B. nigrum Say. — Trans. Am. Phil. Soc. 1823, II, p. 85. 



Habitat: Canada and the Eastern and Central States, extending 

 westward to Iowa and Kansas. 



B. longulum Z^6.— Ann. Lye. 1848, IV, p. 457 iOchthedromi/s').^ 



Habitat: Lake Superior region, the Rocky Mountains and Cali- 

 fornia. 



