520 Bulletin American Museum of Natural History [Vol, XLII 



Franklin, 1915, p. 414. Sentinel Buttes, North Dakota; (Stevens). 

 Cockcrell, 1915d, p. 331. Boulder, Colorado; pollinating Cattleya 7uos- 

 sitB in a greenhouse. 



See laticinctus and ternarius. 



hyperboreiis. See arcticus. 



hyperboreu.s (ilhertensia. See rufocindu.s. 



[P.] impatiens Cresson, 1863, p. 90. (f. Canada. Connecticut. 



Pennsylvania. Illinois. Missouri. Description of B. 



impatiens (noin.nud.) Harris, 1835, p. 70. 



(?) Ajris gti^eo-collis De Geer, 1773, p. 576. 



Apis virginicus Olivier, 1789, p. 66, and griseo-collis, p. 64. 



B. virginicus Fabricius, 1804, p. 346. Virginia. Homonym. 



Bremus virginicus Jurine, 1807, p. 260. 



B. virginicus Smith, 1854, p. 398. St. John's Bluff, East Florida. 



B. virginicus Cresson, 1863, p. 87. 9 , S, not cf . New York. Delaware, 

 District of Columbia. Mississippi. Texas. Discussion of synonymj'. 

 See also p. 90 (impatiens) and p. 166. 



B. firginia/s Putnam, 1864, p. 101. Bridport, Vermont. Nest, 



B. virginicus Cresson, 1876, p. 210. Davenport, Iowa. 



B. virginicus Riley, 1880, p. 107. Marion, Alabama. Robbing honey bees. 



B. virginicus Bowles, 1880, p. 33. Quebec and Montreal, Canada. 



B. virginicus Handlirsch, 1888, p. 228. Nevada. 



(?) Psilhyrus insvlaris Provancher, 1888, p. 342. c? (not 9). 



B. virginicus Robertson, 1891a, pp. 569-597. At Asdepias verticillata and 

 incamata, Phlox divaricata, Hydrophyllum virginicum and appendiculatum, 

 Solanum nigrum, Ldnaria vulgaris, Scrophularia nodosa marilandica, Sey- 

 meria macrophylla, Gerardia pedicularia, purpurea, ienuifolia, and auriculata. 



B. virginicus Howard, 1891, p. 431. Horse-chestnut nectar possibly had a 

 toxic effect. 



B. virginicus Robertson, 1894, pp. 436-475. Macoupin County, Illinois; 

 at Prunus serotina, Rosa humilis, Pyrus coronaria, Cratasgtis coccinea and 

 crusgalli, Eupatorium purpureum and serotinum, Ladnaria ["Liatria"] 

 pycnostachya, Solidago canadensis, nemoralis, and lanceolata, Aster novoe- 

 anglice, and paniculatus, Helianthus grosseserratus, Corepsis aristosa, Helenium 

 autumnale, and Cnicus altissimus discolor and lanceolntvs. 



B. virginicus Robertson, 1896, pp. 156, 160, 165, 175. Carlinville, Illinois; 

 at /Hsculus, Gymnocladus canadensis, and Aster ericoides villosus. 



B. virginicus Robertson, 1898a, p. 242. At Lonicera suUivantii. 



B. virginicus Cockerell, 1899c, p. 3. Baldwin, Douglas County, Kans.\s; 

 (BridweU). 



B. virginicus Harris and Kucks, 1902, p. 25. St. Joseph, Missouri; at 

 Solanum rostratum. 



Viereck, 1903a, p. 119. College Park and Chestertown, Maryland; 

 VIII-X; (Vanatta). 



B. morrisonii Howard, 1904, PI. in, fig. 37. 



(?) B. virginicus Viereck, 1906, p. 240. Magdalena Mountains, New 

 Mexico: VII; (Snow). 



