33 i REPORT OF NATIONAL MUSEUM, 1890. 



The three species of Calypte may be distinguished by the following 

 characters : 



a 1 . Wing not less than 1.70; upper tail-coverts and middle tail-feathers bronze-green; 



outer tail-featber of male much narrower than the next. 



&'. Tail 1.15 or more (1.30-1.45 in the male) ; adult male with gorget and top of head 

 metallic purplish red; adult female dull light brownish gray beneath. Hob. : 

 California, resident, a few migrating to Arizona and northern Mexico in win- 

 ter. C. anna (LESS.). Anna's Humming Bird. (Page 334.) 

 & 2 . Tail not more than 1.10 (still shorter in female); adult male with gorget and 

 top of head metallic violet; adult female with under parts white. Hob.: West- 

 ern Mexico, Arizona, Lower California, and southern California. 



C. costce (BouRC.). Costa's Humming Bird. (Page 337.) 



a 2 . Wing not more than 1.15; upper tail-coverts and middle tail feathers metallic 

 blue or greenish-blue; outer tail-feather of male not narrower than the next. 

 Adult male with gorget and top of head metallic purplish red (as in C. anna} ; 

 adult female with anterior half of lower parts pale ash-gray, posterior half 

 white. Hab. : Cuba. C. helence (GUNDL.). Princess Helena's Humming Bird.* 



ANNA'S HUMMING BIRD. Calypte anna (LESS.). 



Ornismya anna LESS.,Ois. Mouch., 1829, 205, pi. 74. 



Trochilus anna jARD.,Nat. Libr. Humming B., i, 1833, 93, pi. 6." AUD., Orn. 



Biog. v, 1839, 438, pi. 425: Synop. 1839, 170; B. Am. iv, 1842, 1-8, pi. 252. 

 Calypte annas GOULD, Mon. Trocb., pt. xi, 1856, pi. 5; vol. in, 1861, pi. 135. 

 COOP. Ora. Cal. i, 1870, 358. B. B. and R., Hist. N. Am. B. 11, 1874, 454, pi. 

 47, fig. 7. 



Red-headed Humming Bird. 

 Anna's Calypte (GOULD). 



Chupamirto de cabeza y cuello escarlata (D'OcA). 

 Le Calypte d' Anna (MULSANT and VERREAUX). 

 Oisean-Mouche Anna (LESSON). 



KANGE. California, resident in warmer portions; performs a partial 

 migration south through Arizona to table-lands of Mexico; south in 

 Lower California as far as Cerros Island. 



SP. CHAR. Adult male : Entire head (except occiput), including ruff, 

 brilliantly metallic purplish red; length about 3.40-3.75. wing 1.90- 

 2.00, tail 1.30-145, exposed culmen 0.65-0.70. Adult female: bronze- 

 green above, including top of head, the latter sometimes dull grayish 

 brown, with little if any metallic gloss ; throat pale gray or grayish 

 white, the feathers with darker central spots, often mixed with spots of 

 metallic crimson ; length 3.80-4.15, wing 2.00-2.05, tail 1.15-1.30, 

 exposed culmen 0.70-0.75. 



Adult male (No. 84123, Marin County, California. February 15, 1877; 

 C. A. Allen) : Entire head (except occiput), including gorget, with its 

 elongated latero-posterior feathers, forehead, crown, and post ocular 

 region, rich, brilliant, metallic purplish red, or rose-red, with more 

 purplish, and in certain lights somewhat golden or bronzy, reflections; 

 occiput, hind neck, back, scapulars, wing coverts, rump, upper tail- 

 coverts, and middle pair of tail-feathers metallic bronze-green ; remiges 



* Or1horh.i/nchu8 helence GUNDL. LKMB., Aves de la Isla de Cuba, 1850, 70, pi. 10, 

 fig. 2. Calypte helence GOULD, Mon. Troch. in, pi. 136. 



