. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. —THE GULLS AND TERNS—LAIlUa 237 We find, upon the comparison of eleven mlult Anieriam specimens with lour lulults of the European Herrin}; Gull,' that the clitlerences lietween the two, as stated by Dr. Coues, are quite constant, particularly as regarda size, as may be seen from the following averages of each series : — Average, Smallest, Lai^'est, Avoragc, Sniiilk'st, Liiigcst, Wing. Wing. American spccimcm. CulMien. Deiith nf bill. .SO .70
. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. —THE GULLS AND TERNS—LAIlUa 237 We find, upon the comparison of eleven mlult Anieriam specimens with lour lulults of the European Herrin}; Gull,' that the clitlerences lietween the two, as stated by Dr. Coues, are quite constant, particularly as regarda size, as may be seen from the following averages of each series : — Average, Smallest, Lai^'est, Avoragc, Sniiilk'st, Liiigcst, Wing. Wing. American spccimcm. CulMien. Deiith nf bill. .SO .70 .85 European spccinuns. Culiiioii. nepth of bill. .76 .75 .80 Tursns. ')5 Middle toe. ;. Middle toe. All lulult female from Cumberland Sound (Xo. 7fi22:i; L. ) measures as follows : Wing, l( inches ; eulnien, ; depth of bill at angle, .75 ; the dimensions thus agreeing very closely with those of European specimens. Assuming .as one and tlie same species the llerriiiijf (hills f)f the Atlantic coasts of Europe and America, we find for this species cpiite an extended range. The recent discoveries of Mr. Saunders, showing that on the IVIediterranean this species is nearly or (piite replaced hy the cachbmnns; and the more recent investigations of Mr. Ridgway, proving that the same reidacement occurs on our raciiic coast — coiiipel us greatly to diminish the area of distribution once attributed to this bird. According to jNlr. liidgway, only a single exanijde of this species has been detected on the I'aciHc shores; this canu> from British (loluiubia. Its area of range as given by iMr. Saunders is the northwest of Europe from the Yaranger Fiord, the Haltic, mill the western coast generally, down to North Africa, the Azores, Madeira, and tiie Canaries. It is in Greenla'ul a rare straggler, but has been obtained at Winter Islands, near Arelville I'eninsnla; it also occur
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884
