. The water birds of North America . yant, are of a clear chalky-white color, exactly oval in shape, and have the follow-ing measurements : by inches; by ; by ; by Puffinus gavia. THE BLACK-VENTED SHEARWATER Proccllaria gavia, Forst. Descr. Anim. 1S44, 143. —Hutton, Ibis, 1872, gavia, Gigl. & Salvad. Ibis, 1869, gavia, GRAY, Hand!. III. 1S71, 107. Puffinus gavia, Finsch, J. f. O. 1872, 256. — BlDGW. Nom. N. Am. B. 1881, no. opislhomelas, Coues, Pr. Ac. Nat. Sci. Pliilail. April, 1864, 139 (Cape St. Lucas); Key,1872
. The water birds of North America . yant, are of a clear chalky-white color, exactly oval in shape, and have the follow-ing measurements : by inches; by ; by ; by Puffinus gavia. THE BLACK-VENTED SHEARWATER Proccllaria gavia, Forst. Descr. Anim. 1S44, 143. —Hutton, Ibis, 1872, gavia, Gigl. & Salvad. Ibis, 1869, gavia, GRAY, Hand!. III. 1S71, 107. Puffinus gavia, Finsch, J. f. O. 1872, 256. — BlDGW. Nom. N. Am. B. 1881, no. opislhomelas, Coues, Pr. Ac. Nat. Sci. Pliilail. April, 1864, 139 (Cape St. Lucas); Key,1872, 331 ; Check List, 1873, no. 601; ed. 2, 1882, no. 836. Hab Coast of Lower California (Cape St. Lucas), and across the Pacific to New Zealand. Sp. Char. Adult: Above, uniform fuliginous-dusky, the feathers without distinct lighterterminal margins ; lower parts, including entire under surface of the wings, white, the sides of theneck and suborbital region faintly and indistinctly undulated with dusky grayish; crissum and. ft$ posterior portion of the flanks grayish fuliginous. Bill brownish (much like the color of the back),the unguis and lower edge of both mandibles paler ; iris dark brown ; legs and feet pale colored inthe dried skin, the outer side of the tarsus and outer toe dusky. Total length, to inches; extent, about to ; wing, ; culmen, ; depth of bill through base, .35 ; tarsus, ; middle toe, 1 1 Captain F. W. Hutton (in the Ibis, January, 1872, p. 84), gives the average measurements of NewZealand specimens as follows : — Expanse, 26 ; length, 12J to 13J ; bill along culmen, 1£, to gap, 2 ; tail, to 390 THE TUBE-NOSED SWIMMERS — TUBINARES. I am not aware that anything is known in regard to the habits or specific pecu-liarities of this recent addition to our fauna. It was first met with on our Pacificcoast by Mr. John Xantus at Cape St. Lucas, in Lower California, where he procuredtwo fine specimen
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