. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. with [Wile fulvous, this preceded by a dusky subterminal bar; lower part of rump and upper tiiil- coverts plumbeous-gray, the lateral coverts nearly white, and the longer tipped with buff; tiii' pale bluish gray, the feathers growing dusky subterniinally, and tii'[ied with deep ochraceous-bull'; inner webs of the rectrices paler than the outer, or nearly white ; outer web of exterior feather almost entirely pure white. Lower parts entirely white, the under side of the head and neck, as well as the
. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. with [Wile fulvous, this preceded by a dusky subterminal bar; lower part of rump and upper tiiil- coverts plumbeous-gray, the lateral coverts nearly white, and the longer tipped with buff; tiii' pale bluish gray, the feathers growing dusky subterniinally, and tii'[ied with deep ochraceous-bull'; inner webs of the rectrices paler than the outer, or nearly white ; outer web of exterior feather almost entirely pure white. Lower parts entirely white, the under side of the head and neck, as well as the sides of the breast, more or less stained or clouded with smoke-brown. Maxilla dusky ; mandible light reddish (brownish in dried skin), the terminal third or fourth black ; Ugn a)td fed clear light reddish. Total length, to inches ; extent, to ; wing, ; tail, ; depth of its fork, ; culmen, ; depth of bill through base, .38 ; tarsus, . ; middle toe, without claw, . The young of Sterna aleutica may be very easily distinguished from that of S. paradwna â the only other Tern found in any part of Alaska â by the following differences of coloration : (1) The distinctly cinereous rump and upper tail-coverts; (2) the pure white, instead of uniform blackish, outer webs of the lateral rectrices ; (3) the deep smoke-brown hue of the forehead, crown, nape, and sides of the breast; (4) the broad white ant*;rior border to the forearm ; (5) the dusky stripe near the edge of the inner webs of the primaries; and () the much darker general coloration, and especially the blackish dorsiil region, with wide deep ochraceous borders to the feathers. The adult needs no comparison with any other species of the genus. Our information in regard to the specific of this newly discovered species and the extent of its geographical distribution is still quite meagre. It is not prob- able that its habits vary greatly from t
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884
