148 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



bronzy on the crown and rump ; longer upper tail-coverts cinnamon- 

 rufous. Tail deep chestnut-rufous, the feathers tipped and edged for a 

 greater or less distance from their ends with metallic greenish-bronze, 

 glossed with purple 5 wing-coverts metallic green, like the back; rest of 

 the wing uniform dusky slate, with a distinct violet purple gloss in cer- 

 tain lights. Side of the head bronzy- green, the lores bright cinnamon- 

 rufous. Throat, jugulum, breast, and sides metallic green, most brilliant 

 on the breast and jugulum, where bright emerald in certain lights, duller 

 and more bronzy on the sides ; throat-feathers grayish-white beneath 

 the surface, this color showing wherever the feathers are disturbed. 

 Abdomen pale mouse-gray ; crissum deep cinnamon rufous ; anal tufts 

 and thighs cottony-white. Bill reddish at the base for a greater or less 

 distance (pale brownish in the dried skin), the terminal portion black- 

 ish; feet blackish. Wing, 2.00-2.35; tail, 1.45-1.70; culmen, .70-.90. 

 Sexes alike in color. Young similar to the adult, but with the plum- 

 age duller, the rump more extensively tinged with rufous and the fore- 

 head washed with rusty. 



With very numerous specimens before me, representing various loca- 

 lities, from Eastern Mexico to Guayaquil, Ecuador, I am unable to dis- 

 cover any differences coincident with locality, even in specimens from 

 the most remote districts. There is a considerable range of individual 

 variation, involving the amount of blackness of the maxilla (some speci- 

 mens having the upper mandible wholly blackish except the extreme 

 base, while in others only the end is dark -colored), length of wing and 

 bill, etc. These differences, however, appear to be purely individual, 

 and not at all, so far as T can see, local. — 11. R. 



The occurrence of this species within our limits was noted in the Bul- 

 letin of the Nuttall Ornithological Club, vol. i, p. 88. I have nothing 

 to add to the brief note there published. The specimen was captured 

 by a soldier and brought to me. After describing the bird, I returned 

 it to him, as he wished to keep it, but it escaped in a day or two. 



Found from Southern Texas to Ecuador. 



125. *Amazilia yucatanensia. 



Trochilus yucatanemis, Cabot, Pr. Boston Soc. N. H. 1845, 74. (Yucatan.) 



Amazilia yucaianensis, Gould, Mouog. Trochilid. V, 1853, pi. 308. — Muls., 

 Hist. Nat. Ois. Mouck. I, , 295. 



Pyrrhophama yucatanensis, GOULD, Introd. Troch. 1801,157. 



Eranna yucatanemis, Heine, J. f. O. 1863, 187 (Yucatan). 

 Amazilius cerviniventris, Gouli>, P. Z. S. June 10, 1856, 150 (Cordova, Mexico). — 

 Scl., ib. 287 (Cordova); 1857, 17. 



Amazilia cerviniventris, Gould, Monog. Troch. V, 1853, pi. 319 (Cordova). — 

 Scl., Cutal. Am. B. 1802, 314, No. 1877 (Tlacotalpam, S. Mexico).— Scl. 

 & SALV.,Nom. Neotr. 1873,92 (Mexico).— Boucard, Catal. Avium, 1876, 

 350, No. 10,966 (Yucatan).— Merrill, Bull. Nutt. Orn. Club, II, Jan. 

 1877, 26 (Fort Brown, Texas, Aug. 17, 1876).— Coues & Sennett, Bull. 

 U. S. Geol. & Geog. Surv. Terr. vol. iv, No. 1, Feb. 1878, 35 (Browns- 

 ville. Texas). 



