. The water birds of North America . LOONS — URLNATOR. 451 the plumage also slightly different. Bill very large, much compressed, the terminal half taperingrapidly from the well-defined or even prominent angle at the base of the gonys ; culmen almostperfectly straight ; feathering on sides of maxilla reaching nearly to anterior end of the : Upper half of the head (including loral, orbital, and auricular regions), with nape, dull black,with slight brownish green reflections ; lower half of head (including malar region, chin, and throat),with foreneck and lower neck, all round, blu
. The water birds of North America . LOONS — URLNATOR. 451 the plumage also slightly different. Bill very large, much compressed, the terminal half taperingrapidly from the well-defined or even prominent angle at the base of the gonys ; culmen almostperfectly straight ; feathering on sides of maxilla reaching nearly to anterior end of the : Upper half of the head (including loral, orbital, and auricular regions), with nape, dull black,with slight brownish green reflections ; lower half of head (including malar region, chin, and throat),with foreneck and lower neck, all round, blue-black, with violet-blue reflections ; foreneck crossedby a bar of white longitudinal spots, these much broader than in U. immpr; sides of the neck,below this bar, with a transverse broad patch of similar markings. Upper parts black, variegatedby white dots, as in U. immer, but those of the scapulars much longer than broad, instead ofnearly square ; lower parts white, the sides of the jugulum streaked with black; Bides and flanks. blue-black, variegated by small round dots of white. Bill dull yellowish, dusky basally, incliningto ivory-white terminally ; iris light reddish brown ; legs and feet olivaceous. Young: Similarto that of U. imrncr, hut larger, the bill larger, deeper, more compressed, and with a decidedgonydeal angle ; under side of head and neck grayish white, clouded with sooty grayish brown. Wing, inches (average, ); culmen, (); depth of bill throughbase, (); tarsus, (); outer toe, (). (Six adults.) So far as American specimens are concerned, tliis species appears to be perfectly distinct fromU. immer, no examples at all intermediate occurring in large series of the two. It is a muchlarger bird in all its measurements, the bill is very differently shaped, and the plumage quitedistinct in the points referred to above. In Birds of America, Vol. VII. p. 291, Audubon proposes a name, Culi/mlius
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884
