1920] IaUz and CockereU, Notes on American Bees 609 



Robertson, 1898a, p. 244. At Helianthus divaricalus. 



Cockerel!, 1899, p. 157. Mesilla Valley, New Mexico; VII; (Barber;. 



CockereU, 1899c, p. 3. Baldwin, Douglas 'County, Kansas; (Bridwell). 



Birkman, 1899, p. 245. Fedor, Lee County, Texas; V; (See CockereU, 

 1905c, p. 335). 



CockereU, 19036, p. 77. California. 



CockereU, 1904, p. 8. Pecos, San Miguel County, New Mexicx>; VIII. 



Robertson, 1905, p. 368. Carlinville, Ilunois. 



CockereU, 1906, \y. 309. Las Vegas, Pecos, and Raton, New Mexico 

 ' ' Transit ion t o M iddle Sonoran . ' ' 



Tucker, 1909, p. 278. Lawrence and Wichita, Kansas; VII, VIII. 



Smith, 1910, p. 693. Camden County, New Jersey. 



Grffnicher, 1911, p. 247. Hudson in St. Croix County, and Prescott and 

 Maiden Rock in Pierce County, Wisconsin; VII, VIII; at Lepachys pin- 

 nata, Rudbeckia hirta, and R. ladniata. 



CockereU, 1911, p. 390. Sterling, Colorado; VIII; at Helianthus. 



CockereU, 1914b, p. 411. Clarendon, Texas; VIII; (Jones). 



olivacea. See Dasiapis. 



opuntiella CockereU, 1911, p. 131. d^*, 9. Brownsville*, Hondo, and 



Cotulla, Texas; III-IV; at Opuntia lindheimeri; (Jones, Pratt, 



Mitchell, Crawford), 

 otomita Cresson, 1878a, p. 209. cf. Mexico; (Sumichrast) . 

 pallida Robertson, 1895, p. 127. 9 . Carlinville, Illinois. 

 pallidicincta Cockerel!, 18966, p. 306. 9 . West Fork at Gila* River, 



Santa F^, and Watrons, New' Mexico; VI, VII; at alfalfa. 



CockereU, 1897c, p. 22. Pinos Altos (at hoUyhock) and, in Organ Moun- 

 , tains. Dripping Springs and Soledad Canyon, New Mexico. 



CockereU, 1901a, p. 130, and 1901c, pp. 40, 43. Las Vegas and Romers- 

 viUe, New Mexico; VII; at Cleome serrulata, Trifolium repens, Malvastrum 

 dissectum, Sidulcea neomexicana, Verbena macdougali, Sphoeralcea lobata, 

 Asdepias vertidllata, and Lycium vulgare; (Stem). 



CockereU, 1904, p. 8. Pecos, San Miguel County, New Mexico; VI; 

 asleep in Pentstemon flowers in rainj- weather; (Grabham). 



CockereU, 1906, pp. 92, 109, 309. Bill WUUam's Fork and Oak Creek 

 Canyon, Arizona; (Snow.) Boulder, Colorado; VII; at Opuntia; (W. P. 

 CockereU). Magdalena Mountains (Snow) and Gibson (Gohrman), New 

 Mexico. Clark County, Kansas; 1962 ft.; (Snow). ''Transition to Upper 

 Sonoran."' 



CockereU, 1906(/, p. 443. Florissant and east of Lake George, Colorado; 

 VI, VII; at 7m mvssouriensis, Crepis runcinata, and Senecio. 



CockereU, 1907, p. 397. Alamogordo, Cloudcroft, and HighroUs, New 

 Mexico; V, VI; (Viereck). 



See tristis. * 



pallidisignata. See nigrosignata pallidtsignata. 

 palustris. See Florilegus condigna. 



