586 BuUetin American Miiseum of Natural History [Vol. XLII 



Cockerell, 19056, p. 745. Hamilton County, Kansas; (Snow). 



Cockerell, 1906, pp. 101, 311. Give.ssynonoiny. 



Crawford, 1912, p. 359. 'Medicine Hat, Alberta; (Malloch). 



enavata Cresson, 1872, p. 280. {Melissodes) 9. Bosque ('oiinty (?), 

 Texas*; (Belfrage). 



Af ciissorfcs ? Hmna Cresson, 1872, p. 281. cT. Texas; (lielf rage, Boll). 



Patton, 1879, p. 476. 



Cockerell, 1893, p. 338. West Cliff, Custer County, Colorado; VII. 



Fox, 1893, p. 21. Comondu, Lower California, Mexico; III; (Haines). 



Townsend, 1896, j). 138. Las Cruces, New Mexico; VIII. 



Eucera arctos Dalla Torre, 1896, p. 225. N. n. for Melissodes ursina 

 Cresson, not Haliday. 



Cockerell, 1897c, p. 20. Santa Fe (7000 ft.), Mesilla Valley (3800 ft.) and 

 Soledad Canyon, Organ Mountains, New Mexico; (1898/, p. 79) sleeping 

 in clo.sed flowers of Argemone platyceras. 



Cockerell, 1898c, p. 193. Mesilla Valley, IX, at Bigelovia wrighiii and 

 Verhesina encelioides; Santa F6, VIII; Rincon, VII, at Chilopsis; Lone 

 Mountain, near Silver City, VII, at Sulalcea malyoeflora; Deming, VII, at 

 Verhesina encelioides; and Clora'o, VII, at Sphceralcea angustifolia; all. 

 New Mexico. 



Fowler, 1899, p. 286. Santa Catalina Island, Santa Barbara, and Red- 

 lands, California; VI. 



Cockerell, 19056, p. 745. Arizona. Wallace County, Kansas; (Snow). 

 Lamar, Palisade, Julesburg, and Trinidad, Colorado. 



Cockerell, 1905/), p. 218. Mesilla, New Mexico; VII; at Helianthus 

 annutui. 



Cockerell, 1906, pp. 73, 101, 311. Fedor, Texas; (Birkman). At Heli- 

 anthus. Gives ssynonomy. 



Cockerell, 19166, p. 77. Orange, California; VIII; at Helianthus lenti- 

 cidaris. 



enavata densa Cresson, 1872, p. 282. {Melissodes ? densa) cf. Bosque 

 County (?), Texas*, (Belfrage). 



Melissoides densa Cres.son, 1876, p. 210. Spring Lake, Utah. Boulder, 

 Colorado. (Putnam). 



Diadcma, Syn. of enavata, Patton, 1879, p. 476. 

 Cockerell, 19056, p. 745. Rocky Ford, Colorado. 



friesei Cockerell, 1898c, p. 192. 9 . Southern California. 



knabiann. See australis knabiana. 



laticauda Cockerell, 1905, p. 103. 9 . I^s Angeles, C^alifornia; 

 (Davifl.son). 



megamorpha C:ockerell, 1898c, p. 192. cT, 9. Mesilla Valley*, IX, 

 and Whitewater by the White Sands, X, New Mexico; at Sphceral- 

 cea fendleri lobata, not angustifolia (See Cockerell, 19056, p. 745). 



nerea. See nigrifrons. 



