1920] Lutz and Cockerell, Notes on American Bees 585 



D. rinconis Cockerell, 1905, p. 14. Los Angeles and Palm Spring, Cali- 

 fornia. 



Cockerell, 1906, p. 101. 



(?) D. australis Cockerell, 19146, p. 410. San Bernardino, Caufornia; at 

 Helia7ithus. 



Bray, 1917, p. 94. Claremont, California; V; at cactus. 



australis rinconis Cockerell, 18976, p. 154, (Diadasia rinconis) 9 . 

 Kineon, New Mexico; VII; at Chilopsis mligna and an asclepiad. 



Diadasia rinconis Cockerell, 1904a, p. 24. Pecos, New Mexico; VIII; 

 at Opuniia arhorescens. 



Cockerell, 19056, p. 745. California. Bill Williams's Fork and Oak 

 Creek Canj'on, Arizona; (Snow). Texas (a 9 cot ype of a u<raii). 



Cockerell, 1906, pp. 101, 311. Las Vegas and Mesilla Valley, New Mexico. 



Cockerell, 1917a, p. 191. Point Isabel and San Benito, Texas; IV; at 

 cactus and Argemone; (W. P. Cockerell). 



Bray, 1917, p. 94. Claremont, California; V; at cactus. 



See au,stralis opuniice. 



bituberculata Cresson, 1878a, p. 218. (Melissodes) cf . ('alifornia; 

 (Crotch). 



D. cfnerm Fowler, 1899, p. 285. (f. Berkeley, California; V, VI. 



Cockerell, 19036, p. 77. 



D. cinerea Cockerell, 1905, p. 14. Los Angeles and Rock Creek, California. 



Cockerell, 19056, p. 745. Nevada. 



Bray, 1917, p. 94. Claremont, California; V; at cactus. 



cinerea. See bituberculata. 



crassicauda Cockerell, 1915c, p. 231. cf . Laguna, California; (La 



Follette). 

 densa. See enavata densa. 

 dixninuta Cresson, 1878, p. 215. (Melissodes) cT. Colorado; 



(Morrison). 



Melissodes apaeha Cresson, 1878a, p. 217. 9 . Texas*. New Mexico. 

 Arizona. 



D. diminuta Patton, 1879, p. 476. 



A. apacha Fox, 1893, pp. 21, 118. San Julio, San Esteban, San Josd de 

 Gracias, and El Paraiso, Lower California, Mexico; IV, V, X; (Haines). 



Cockerell, 1897c, p. 20. Santa F^"* (7000 ft.) and Mesilla Valley (3800 ft.), 

 New Mexico. Juarez, Mexico. 



Cockerell, 1898, p. 193. Mesilla Valley, New Mexico; at Spharalcea 

 angustifolia and roses. 



Cockerell, 1900, p. 363. Las Vegas, New Mexico; at tiphirralcea fendleri 

 lohata, S. cuspidata, Malrastrum coccineum, M. disseclitm and Sidalcea neo- 

 mexicana. 



Cockerell, 1903, p. 444. Mcscidoro, New Mexico; X; at Spharalcea 

 fendleri. 



Cockerell, 1905, p. 15. Palm Spring, California. 



