552 liullelin Aviericait M uneum of Natural History |\'<>1. XI,II 



Cofkcrell, 1898/, p. 314. Las Cruces, New Mexico; at Cevaliia sinuatu. 

 Ceritris {M elanocentri) ccEsalpinwe P'riese, 1900, pp. 242, 294, 341. 

 Centrui (Ptilotopus) cresalpinia' Cockerell, 1906, p. 97. 

 See rhodo]>us. 



chilensis. See smithii. 



ciirotd'n iata . See flavifrons. 



clypeata Friesc, 1899, p. 41. 9, cT. Orizaba, Mexico. (Iuatemala. 

 11. 



Cenlris (Melanocentris) clypeata Friesc, 1900, pp. 241, 2G8. Orizaba and 

 Cornuvacca (Cuernavacca ?), Mexico; II. 



Cenlris {PtUolopiis) clypeata Cockerell, 1906, p. 97. 



Centris clypeata Cockerell, 191.'^r;. p. 192. Antigua, Guatemala; (W. P. 

 Cockerell). 



cockerelli Fox, 1899, p. 68. N. n. fof 9 (not cf) Centris hoffmannseggice 

 Coc'koroU, 1897, pp. 395, 397. (\)llogo Farm, Mesilla Valley, New 

 Mexico; V; Sit Hoffmanseggia. 



Centris cockereUi Cockerell, 1900, p. 368. Suggests that it is probably 

 lanosa 9 . 



Centris cockerelli Cockerell, 1904 (1905), p. 160. Palm Spring, California; 

 (Davidson). 



Cockerell, 1919, p. 187. San Jos6 de Guaymas, Mexico; IV; (Howard). 



confinis Perez, 1905, p. 40. 9 . Mexico (?). 



cornuta. >^vo diffonnis. 



costaricensis Crawford, 1907, p. 21. N. n. for C.friesei Crawford, 1906, 



p. 158. 9 . Ouacimo, Costa Rica; nests between the boards of a 



poreh-roof. 

 crassipes Smith, 1874, p. 372. cf . Jamaica. 



See Fox, 1891, p. 348. 



Ceniris (Cyanocentris) crassipes Friese, 1900, pp. 244, 322. 



Centris (Hemisia) crassipes Cockerell, 1906, p. 98. 



(lavidsoni. S(H' hoffmanseggice davidsoni. 



decolorata Lcpcletier, 1841, p. 160. cf. Habitat unknown. 



Centris decolorata Smith, 1874, p. 364. Brazil. Mexico. Santo 

 Domingo. 



Cerdris (Cyanocentris) decolorata Friese, 1900, pp. 243, 325. Adds Para- 

 OUAY and describes a 9 , proposing to call it obscuriventris [q. v.] in case he has 

 mistaken decolorata. 



Centris (Hemisia) decolorata Coc'kerell, 1906, p. 98. 

 See versicolor. 



dentipes. Sete lanipe.s. 



difformis Smith, 1854, p. 374. 9 . Rio Tapajos, Brazil. 



Cerdris ? cornuta Cre.s.soi), 1865. p. 194. 9 . Cuha. Su^gcsis new gcnu.s. 

 (Jundlachia. 



