Shearwaters. 
88. Cory Shearwater (Puffinus borealis). L. 21. 
Ads. Above grayish brown; below, including under 
wing coverts and under tail coverts, white. 
Range.—North Atlantic; recorded only off the coast from Massa- 
chusetts to Long Island. 
89. Greater Shearwater (Puffinus gravis). L. 20. 
Ads. Above grayish brown or blackish; tips of longer 
upper tail coverts white; below white; mzddle of belly 
and under tail coverts ashy gray. 
Range.—'‘Atlantic Ocean, from Cape Horn and Cape of Good Hope 
north to Arctic Circle."’ (A. O. U.) 
91. Pink-footed Shearwater (Puffinus creatopus), L. 
19.5. ds. Above dusky gray or brown; below white; 
sides and lower belly with grayish; longer under tail 
coverts dusky brown; feet, flesh-color; bill yellowish. 
Range.—Pacific Ocean north on the American coast In summer and 
fall to middle California. 
92. Audubon Shearwater (Puffinus lherminiert). L. 
12. Ads. Above black or brownish black; below 
white; under tail coverts sooty. 
Range.—Middle Atlantic; breeds in West Indies and Bahamas; 
wanders nortn to Long Island. 
93. Black-vented Shearwater (Puffinus opisi® omelas). 
L.15. Ads. Above dusky black; below white; sides 
of breast grayish; under tail coverts dusky brown; 
bill black. 
Range.—‘‘Pacific Ocean, chiefly southward; coast of Lower Call- 
fornia north to Santa Cruz, Cal.”’ (A. O. U.) 
93.1. Townsend Shearwater  (Puffinus auricu- 
laris), Similar to No. 93, but bill and feet smaller, 
B. 1.2; above darker, nearly black; black of head ex- 
tending below eye. (Townsend.) 
Range.—Pacific Ocean (Clarion Island, Lower California). 
96. Slender-billed Shearwater (Puffinus tenutrostris). 
L. 13., bill slender 1.2 Ads. ‘‘Above dark sooty slate; 
beneath deep sooty gray, paler on throat where some- 
times inclining to whitish.”’ (Ridgw.) 
Range.—North Pacific, from Japan and Kotzebue Sound south on 
the American coast to middle Callfornia. 
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