. A history of North American birds [microform] : land birds. Birds; Ornithology; Oiseaux; Ornithologie. CYl' - THE SWIFTS. 431 Genuh CHJBTURA, Stephens. Chatura, Stepiik.\s, Slmw's (icii. /oiil. I'.inls, XIII, n, 182,-., 7fi. (Tyjic, C , Hon:, Isis, Isyti, !i7]. {V,,) htf/icii.) Gks. Ciiah. Tail V(;ry short, snaivcly moro than two liftiis tho wings ; shgliliv n)un<lu(l • the shads stiU'cncd ami ox- ^ ' ' toiHlin<rsome distanco hcyonc llio fcatliors in a i-igiii Kpino. I-'irst i)iiniary longest. Legs covered by a nake<l sl<in, without seutel
. A history of North American birds [microform] : land birds. Birds; Ornithology; Oiseaux; Ornithologie. CYl' - THE SWIFTS. 431 Genuh CHJBTURA, Stephens. Chatura, Stepiik.\s, Slmw's (icii. /oiil. I'.inls, XIII, n, 182,-., 7fi. (Tyjic, C , Hon:, Isis, Isyti, !i7]. {V,,) htf/icii.) Gks. Ciiah. Tail V(;ry short, snaivcly moro than two liftiis tho wings ; shgliliv n)un<lu(l • the shads stiU'cncd ami ox- ^ ' ' toiHlin<rsome distanco hcyonc llio fcatliors in a i-igiii Kpino. I-'irst i)iiniary longest. Legs covered by a nake<l sl<in, without seutelliu or featiiers. Tarsns longer tiian njiddle toe. Lateral toes equal, nearly as long as the middle. Hind toe scarcely vei-satile, or quite posterior ; inelndinjr. I'hrrtttra pdfii^ien. ' » ' o claw, less than the middle anterior withont it. Toes slender; claws moderate. Feathers of the base of the bill not extending beyond the begimung of the nostrils. By the arrangement of the genera on page 1018, the C. rntila and large white-collared species are excluded fiuHi the present genus as restricted Chatura, as here defined, is a genus of very extensive distribution, species occurring not only in Xorth and South America, but also in Africa and Asia. Among the several American members, three styles are distinguishable, these probably representing oidy as many species ; the several more closely allied forms , in all probability, but geographical modifications of these three types. They may be arranged as follows : — Plumage with no marked contrast of shades. C. pelagica. Nearly uniformly dusky grayish-brown, the throat, however, very nuich lighter, an<l the rump just . Ch(clura poUurri, () Scr,. Cat. Am. B. 1862, 101 ; P. Z. S. 1866, Gil (Ciipsclus pnlii'iirus, Tl•:M.^^. Tab. Moth. p. 78.) " ChccturaciHtnivcntri!^, Sci,. Cat. Am. B. 18(!-2, p. 283; P. Z. ,S. ]8fi3, p. 101, pi. xiv, f 1 • P. Z. 180G, 612. C. sclateri, Pklz. Orn. Braz. I, 186
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, booksubjectorn
