464 



SYSTEMATIC SYNOPSIS. —FIGABI^ — GYPSELIF0BME8. 



<::^^>.. 



Fig. 311. — AnnaHummiug-bhd, tf, 

 nat. size. (From Elliot. ) 



entirely green, these having dark ends in ruftm ? ; rufous on lateral tail-feathers confined to 

 their bases and of less extent than the black, while in rufus 9 the rufous equals or exceeds the 

 black area. The next to the middle tail-feather in platycercus 9 is green, with only rufous 

 edging of outer web near base, short black end, and white tip ; in nifus ? the same feather is 

 rufous on both webs to an extent equal to the green, black, and white spaces all together. 

 Though such details are not absolutely constant, they suffice to distinguish all the many sj)eci- 

 mens I have examined. (See also S. rufus 9 .) Southern Eocky Mt. region, U. S. and south- 

 ■\vard. N. to Wyoming, Idaho, Utah, Nevada; Sierras Nevadas of California. 

 138. CALYP'TE. (Gr. KaXuTrri?, Kalupte, a proper name.) Helmet Hummers. Crown of ^ 

 with metallic scales like the gorget, which is prolonged into a ruff; outer primary not attenu- 

 ate ; tail of <J forked, the outer feather abruptly narrow and linear, of ? slightly double- 

 rounded. No pecuUarity of primaries. Bill ordinary, as in Selaspliorus or Trochilus; black. 

 No rufous color anywhere. Tail of (J unvaried ; of 9 white-tipped. (Our only genus with bill 

 ordinary and scales on crotvn of ^.) 



414. C. an'nai. (To the Duchess of Rivoli. Figs. 310, 311.) Anna Humming-bird. (J: Top of 

 head with metallic scales like those of throat, the latter prolonged into a ruff; the iridescence 



lilac-crimson, covering 

 whole head and throat, 

 except a separating line 

 through eye. Tail deeply 

 forked ; middle feathers 

 very broad and rounded, 

 the lateral all succes- 

 sively more narrowed and linear, especially the outermost, 

 but all still with obtuse ends. Outer primary narrower 

 than the next, but of no special peculiarity. Back and 

 middle tail-feathers golden-green ; other tail-feathers, like 

 the wing-quills, purplish-dusky, without any rufous or 

 «'hite ; under parts whitish, nearly everywliere glossed 

 ?,iiat. size. (From Elliot.) over with green. Length about 3.50; wing 1.90; tail 



1.35 ; bill 0.75. 9 lil^G flie ^ excepting on head and tail. No metallic scales on head ; crown 

 like back, golden-green ; throat whitish "with dusky specks. Tail gently rounded, with slight- 

 est central einargination, all but the middle feathers (which are like back) green (or gray) at 

 base, then black for a space, then white-tipped (no rufous). Under parts gray, ^Yith much 

 green gloss. California, common, resident. 



415. C. cos'tse. (To — Costa. Fig. 313.) CosTA Humming-bird, g : 

 sides of head as well as throat, latter prolonged into a flaring ruff; 

 phire, steel-blue or purplish, not red. Tail lightly forked ; middle 

 feathers broad and obtuse, lateral narrowing successively, but the 

 outermost abruptly narrowest, falcate — very noticeable. Outer 

 primary simple. Back and middle tail-feathers golden-green ; 

 other tail-feathers like the wing-quills, purplish-dusky. Below 

 whitish, the belly gray, glossed with golden-green. Small: length 

 3.00-3.25; wing 1.75-1. SO; tail 1.00; biU 0.67. 9 : No scales 

 on head. Tail shnply rounded, or with least possible central bird, j', $. nat. size. (Elliot.) 

 emargination ; lateral tail-feathers narrowing, but outermost not noticeably dift'erent from the 

 next. Crown like back; throat like belly, with dark specks. Middle tail-feathers like back, 

 others green or gray, then black, then white-tipped. Entire under parts whitish. Compared 

 with anncB, the only other with scales on crown in ^, costa is smaller: throat ruff much 

 more flaring ; glitter entirely different (not red at all) ; tail less forked, with almost acicular 



Metallic scales on top and 

 the iridescence violet, sap- 



Fig. ,312. — CostaHnmniing 



