FULMARS, SHEARWATERS, PETRELS 175 



88. Puflinus borealis Cory. CORY'S SHEARWATER. Ad. Upper- 

 parts ashy fuscous, wings and tail darker; sides of head and neck slightly 

 lighter; underparts white, sometimes washed with grayish on the breast; 

 under wing-coverts and under tail-coverts white, the latter more or less mot- 

 tled with grayish; bill yellowish. L., 21'00; W., 14'00; Tar., 2'20; B., 2'10. 



Range. Known only from off coasts of Mass., R. I., and L. I. (Aug.- 

 Nov.). 



Long Island, probably regular S. R., Aug. 6.-Oct. 18. 

 Nesting, unknown. 



Cory's Shearwater is not uncommon off our middle Atlantic Coast 

 from August until November, but its entire range is unknown. 



89. Puf firms gravis (O'Reilly.}. GREATER SHEARWATER. Ads. 

 Upperparts fuscous, wings and tail slightly darker; longer upper tail-coverts 

 tipped with whitish ; underparts white ; belly more or less ashy gray ; under 

 tail-coverts ashy gray; bill blackish. L., 20'00; W., 12'25; Tar., 2'20; B., 1'85. 



Range. Atlantic Ocean, from Arctic Circle s. to Cape Horn and Cape 

 of Good Hope; occurs off the e. coast of N. Am. from June to November. 

 Long Island, irregularly common, June-Nov. 

 Nesting, unknown. 



"The long, narrow wings are set stiffly at right angles with the 

 body, and the bird frequently glides half a mile at a time without 

 moving them perceptibly. It usually follows a direct course, and in- 

 variably skims close over the waves. I know of no other sea-bird whose 

 movements are as easy and graceful. Indeed, at times, especially 

 during a gale, its evolutions will compare in grace and spirit with those 

 of the Mississippi or Swallow-tailed Kites" (Brewster). 



1905. JOB, H. K. f Wild Wings, 198 (off Mass.). 



MANX'S SHEARWATER (90. Puffinus puffinus) resembles Audubon's 

 Shearwater in color, but is larger. W., 8'50-9'25; B., 1'35-1'40; depth of B. 

 through base, '40--45; Tar., I'TO-l'SO" (B., B., and R.). It occurs on the 

 European coast of the North Atlantic and has been recorded from Greenland. 



92. Puffinus Iherminieri Less. AUDUBON'S SHEARWATER. Ads. 

 Upperparts, wings and tail dark, sooty, brownish black; underparts white; 

 sides of the breast grayish ; a patch on the flanks and under tail-coverts sooty 

 brownish black; inner side of tarsi yellowish, outer brownish; bill blackish. 

 L., 12-00; W., 8-00; Tar., T60; B., 1'20. 



Range. Warmer parts of the Atlantic, n. rarely to L. I.; breeds in the 

 Antilles and Bahamas, but not, so far as known, on our coasts. 



Washington, A. V., two or three records but no specimens. Long Island, 

 one record, Aug. 1. 



Nest, in a hole, in the rocks. Egg, I, chalky white, 2'05 x 1'40. Date, 

 Ragged Is., Bahamas, Apl. 13. 



This small Shearwater is an abundant West Indian species which 

 breeds in Bermuda, the Bahamas and Antilles, and is doubtless not 

 uncommon off our southern coasts. Its flight, low over the water, is 

 strong and swift, five or six rapid wing-beats being followed by a short 

 sail. 



It is active about its nesting-ground only at night when the constant 

 repetition of its uncanny see-saw notes is an indication of its before-un- 

 suspected abundance. I have found either the male or female on the 



