19201 LtUz and Cockerell, Notes on Arnerican Bee b5!7 



Centris (Melatiocentris) lutea Friese, 1900, pp. 242, 289. 

 Centrvi (Ptilotopus) lidea Cockerell, 1906, p. 97. 



maculata (Smith) Friese, not Lepeletier. See Epicharis {Epicharoiden). 

 maculifrons Smith, 1854, p. 372. 9 . Brazil. 



Centris (Cyanocentris) maculifrons Friese, 1900, pp. 244, 330. 

 Centris (Hemisia) maculifrons Cockerell, 1906, p. 98. Mexico. 



mnrginata. See morsel marginata. 



melanchlsBna Smith, 1874, p. 360. cf . Vera Cruz, Mexico. 



Centris (Melanocentris) melatiochkena Friese, 1900, pp. 242, 270. Vene- 

 zuela. Bolivia. Gives nobilis Friese, i. I., as synonym. 



Centris (Ptilotopus) melanochhma Cockerell, 1906, p. 97. 



tnetatarsalis. See Epicharis. 



mexicana Smith, 1854, p. 378. 9 . Mexico. 



Centris {Melanocentris) mexicana Friese, 1900, pp. 242, 289. 9, cf- 

 Orizaba, Mexico. 



Centris (Ptilotoptis) mexicana Cockerell, 1906, pp. 73, 97. Cuemavaca, 

 Mexico. 



See lanosa. 



mexicana albiceps Friese, 1899, p. 43. cf. Mexico. 



minuta Mocsary, 1899, p. 254. cf . Mexico. Sa6 Paulo, Brazil. 



Centris {Melanocentris) minuta Friese, 1900, pp. 242, 293, 303. Venezuela. 

 Yucatan, Mexico. At Petraea voluhilis and Ipomwa. Says that, according to 

 Ducke, it is the d^ of labrosa. 

 Friese, 1908, p. 40. Trinidad. 



mocsaryi Friese, 1899, p. 42. 9 , cT . Minas Geraes, Sa6 Paulo and Para, 

 Brazil. Venezuela. Peru. Mexico. 



Centris {Melanocentris) rnocsdryi Friese, 1900, pp. 242, 274. 

 Centris {Ptilotopus) rnocsdryi Cockerell, 1906, p. 97. 



nionozona. See Epicharis. 



montezuma Cresson, 1879, p. 213. 9,cf. Mexico; (Sumichrast) . 



Centris (Rhodocentris) montezuma Friese, 1900, pp. 243, 308. 



Centris {Trachina) montezuma Cockerell, 1906, pp. 73, 97. 



morsei Cockerell, 1897a, p. 355. cT. Mesilla, New Mexico; VI; 

 (A. P. Morse). Cockerell, 1897c, p. 29; no description. 



Centris (Peerilocentris) morsei Friese, 1900, pp. 244. 33.5. Texas. 



Centris (Ptilotopus) morsei Cockerell, 1906, p. 97. 



Hemisvi morsei Bequaert, 1918, p. 126. Sierra Blanco, Texas; at CetUaurea. 



morsei marginata Fox, 1899, p. 67. (C. marginata) cf . Las Cruces, 

 New Mexico; VIII; a,tCevallia sinuata. 



Centris (Ptilotopus) marginata Cockerell, 1906, p. 97. 



Cockerell, 1906a, p. 72. San Bernadino Ranch, Dougla-s, Arizona; 3750 

 ft.; VIII; (Snow). 



