364 REPORT OF NATIONAL MUSEUM, 1890. 



p. Belly ami flauks ciuuamou-rufouH or pale cinuaiuoii ; lores not distiuctly 

 rusty. 

 </'. Belly and flauks deep cinnamon-rufous. ^a?<. Yucatan. 



A. yucatauensis (Cabot). Cahofs Humming Bird* 

 gK Belly and flanks pale cinnamon or cinnamon-buff. Hah. Eastern 

 Mexico, nortb to southeastern Texas. 

 J. cerviuivenlris GovhD. Buff-bellied Humming Bird. (Page 364.) 

 a^. Lower parts entirely cinnamon. 



fc'. Smaller (wing y. 15-2.25, exposed culmen 0,80-0.88). Hah. Western Mexico and 



Yucatan to Nicaragua. 



A.c'mnamomea (Lkss.) Cinnamomeus Uummhui Bird.] 



¥. Larger (wing 2.50-2.70, exposed culmen 0.90—1.05). iJaft. Tres Marias Islands, 



western Mexico. A. graysoni Lawr. Graysons Hnmmivg Bird.t 



BuFF-BELLiED HUMMING BiRD. Amazilia cerviniventris Gould. 



Amaziliiis cerviniventris Gould, P. Z. S., 1856, 150. 



Amazilia cerviniventris GouLD, Mon. Troch., pt. xiii, 1857, pi. 12; vol. V, 1861, pi. 



309.— Merrill, Bull. Nutt. Orn. Cl , ii, Jan. 1877, 26 (Ft. Brown, Texas). 

 AmaziIeayncatanensifiMERmi.h and Ridgw., Pp. U. S. Nat. Mus,, i, 1878,148 (Ft. 



Brown, Texas ; not Trochilusyueatanenais Cabot). 

 Fawn-breasted Amazili (Gould). 

 Rufous-bellied Humming Bird (Coues). 

 L'Auiazili u ventre de bicbe (Mulsant and Verreaux). 

 Chnpamirto de pecbo verde y vieutre castano (D'Oca). 



Range. — Eastern Mexico, north to the lower Rio Grande Valley, in 

 Texas. 



Sp. Char. — Adult {both sexes): Lores greenish or dull brownish (never 

 rusty); belly and flanks pale dull cinn amou-bu tit"; upper parts metallic 

 bronze or bronze-green, the upper tail-coverts somewhat tinged with 

 rusty on basal portion; tail rufous-chestnut (glossed with purple on the 

 under surface), the feathers broadly tipped and margined terminally 

 with metallic bronze; some specimens (immature specimens only?) 

 with a considerable blackish subtermiual space on one or both webs of 

 all but the middle pair of feathers; chin, throat, and chest brilliant 

 metallic Paris-green ; breast metallic bronze-green ; bill reddish (light 

 brownish in dried skins), blackish terminally; length about 4.00-4.50; 

 wing, 2.15-2.25; tail, 1.35-1.60, slightly emarginated; exposed culmen, 

 0.75-0.82. Young similar to adult, but upper mandible black, upper 

 tail-coverts broadly margined with rusty, and tail-feathers (except mid- 

 dle pair) with a more or less extensive subterminal space of blackish on 

 one or both webs, the median portion, however, including shaft, chest- 

 nut. 



Adult male (No. 90749, Fort Brown, Texas, Dr. J. C. Merrill, U. S. 

 Army ): Above metallic green, tinged with bronze, the top of the head 

 very much duller; upper tail coverts brouzegreen, their basal portion 



* Trochilns yucaianensis Cabot, Proc. Nat. His. Soc, Bost., 1845, 74. Amazilia yuca- 

 tanensis Gould, Mon. Trocb. pt. xxiii, 1861 (vol. v, 1861, pi. 308). 



iOrnismya cinnamomea Less., Rev. Zool., 1842, 175. Amazilia cinnamomea Elliot, 

 Class, and Synop. Trocb., 1879, 219. 

 }. Amazilia {Fyrrhoph(ena) graysoni Lawr., Ann. Lye. N. Y., 1867, 404. 



