. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. 48 KEY TO THE BIRDS OF EASTERN NORTH AJMERICA. * Group 3. Wing, to inches long. Upper parts, dark sooty brown or grayish black; un- derparts, white; sides of breast, tinged with gray; middle toe and claw, less than a inches long. PuJJimis auduboni. Audubon's Shearwater. See No. 62. The Manx Shearwater, Puffinus puffimis, a European species, somewhat resembles Audubon's Shearwater, but it is larger, the back darker, the wing rai-ely, if ever, measur- ing less than inches, and tlie middl
. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. 48 KEY TO THE BIRDS OF EASTERN NORTH AJMERICA. * Group 3. Wing, to inches long. Upper parts, dark sooty brown or grayish black; un- derparts, white; sides of breast, tinged with gray; middle toe and claw, less than a inches long. PuJJimis auduboni. Audubon's Shearwater. See No. 62. The Manx Shearwater, Puffinus puffimis, a European species, somewhat resembles Audubon's Shearwater, but it is larger, the back darker, the wing rai-ely, if ever, measur- ing less than inches, and tlie middle toe and claw 2 Inches or more. It is of accidental occurrence on our coast. * Group 4. Wing, 11 to 13 inches long. Upper and under tail coverts, graj' or brownish gray; Ijreast, white. Puffinus major. Greater Shearwater. See Xo. 60. Under tail coverts, gray; upper tail coverts, sooty; breast, gray. FuffinnsfiiHijiiwsus. Sooty Shearwater. See No. 63. Upper and under tail coverts, white. JEstrelatahasitata. Black=capped Petrel. See No. 64. Upper tail coverts, pearl gray; under tail coverts, white, or entire plumage, dark slate color (dark pliasej. Fulmarus ijlaruilis, cnid races. Fulmar Petrel. See Nos. 57 and 58. * Group 5. Wing, 13 to 15 inches long. Upper surface of tail featliers, dark slaty brown ; under tail coverts, ash gray or brownish gray. major. Greater Shearwater. See No. 60. Upper surface of tail feathers, darl; slaty Ijrown; under tail coverts, white, sometimes slightly mottleil witli grayish. Puffinus horealis. Cory's Shearwater. See No. 59. Upper surface of tail feathers, pale pearl gray; upper tail coverts, pearl gray; under tail coverts, white ; or entire plumage, dark slate color (darlc phase). Fnhnarus (jlacialis, and races. Fulmar Petrel. See Nos. 57 and 58. =^" Group 6. Wing, 15 to 17 inches long. Upper surface of tail feathers, dark slaty brown; under tail coverts, ash gray, or brownish gray. Puffinus major. Greater Shearwater. See No. 60.
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Keywords: ., bookauthorfiel, bookcentury1800, bookdecade1890, booksubjectbirds