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 (Tuffinus gravis). L. 20. 



Ads. Above grayish brown or blackish; tips of longer 

 upper tail coverts white; below white; middle 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. Ads. 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 Ihermmieri). L. 



12. Ads. Above black or brownish black; below 

 v\ hite; under tail coverts sooty. 



Range.— Middle Atlantic; breeds in West Indies and Bahamas; 

 wanders north to Long Island. 



93. Black-vented Shearwater (Puffinus opistbomelas.). 

 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 Cali- 

 fornia north to Santa Cruz, Cal." (A. O. U.) 



93.1. Townsend Shearwater (Puffinus auricn- 

 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 tenuirostris), 



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 California. 



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