. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. " V. ringvia," summer dress. ' III " Columbus langvia, Olafk, Rclao n. Isl. ji. 5(i2 " (Riiyant).* Colymbustroilc, vur. fi, Donndokfk, Beytr. Zool. II. jit. i. 1794, 875. Colijmbus troilc, var. 7, Donn'dorfk, t. c. p. 87(5. t Uria lachvynvins, in tHioris, Voyiiyos Pitt, nutoiir tin Moiulo, Aloout, 1822, 27, pi. 23. 1 UrUi troilc kucophthalmiis, Kaiiku, Pioilr. Isl. Oiii. 1822, 42; Isis, 1824, 140. ? Uria Icucopsis, Bukiim, lU'itr. Vof,'i'lk. 111. 1823, p. 880; Isis, 182
. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. " V. ringvia," summer dress. ' III " Columbus langvia, Olafk, Rclao n. Isl. ji. 5(i2 " (Riiyant).* Colymbustroilc, vur. fi, Donndokfk, Beytr. Zool. II. jit. i. 1794, 875. Colijmbus troilc, var. 7, Donn'dorfk, t. c. p. 87(5. t Uria lachvynvins, in tHioris, Voyiiyos Pitt, nutoiir tin Moiulo, Aloout, 1822, 27, pi. 23. 1 UrUi troilc kucophthalmiis, Kaiiku, Pioilr. Isl. Oiii. 1822, 42; Isis, 1824, 140. ? Uria Icucopsis, Bukiim, lU'itr. Vof,'i'lk. 111. 1823, p. 880; Isis, 1826, 888. IIab. Coasts ami islniuls of the North Atlantic, north to ut 80°, south, in America, to Southern New Enf,'laii0; tarsus, (iO () ; middle toe, l.() ().« With regard to the perplexing form with white eyelids and postocular streak, we nmst confess ourselves undecided. The theory that it is an individual va- riation of truile seems the "only one which can be adopted, in view of the asserted Tact that the feature in ques- tion is not seasonal or sexual, and that the two forms " are known to copulate with each other" (cf. Coues, Pr. Philad. Acad., 1868, 78). There ma, he some mistake, how- ever, as to these supposed facts ; at any rate, were they true, it seems vji/ strange that the siune phase is never assumed by tiie western form of the species (californica). > By typographical error printed " ; in original. The correct quotation is probably ColymJius langvigia, Olaffs, , p. 562. * Extremes ond average of nine U. troile, summer Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Baird, Spencer F. , 1823-1887; Brewer, T. M. (Thomas Mayo), 1814-1880. Boston : Little, Brown
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884
