. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds. Birds; Birds; 1887. .. Fig. 311. â AnnaHummiug-bhd, tf, nat. size. (From Elliot.) entirely green, these having dark ends in ruftm ? ; rufous on lateral tail-feathers confined to the


. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds. Birds; Birds; 1887. .. Fig. 311. â 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- â \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 throug


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1887