Petrels 



98. Black-capped Petrfil (/Estrelaia. hasitata). L. 

 r '-\. Ads. Above sooty brown; back of neck and up- 

 per tail coverts white; base of tail wkiu. 



Range, — Tropical AtlantJc; Irreg-ular In United Stales (Florida, Vlr- 

 j^nla, New York, Kentucky, Vermonl, an4 Ontario,) 



!03. Least Petrel [Halocfptma microsomal. L. 5. 7. 

 /Ids, Sooty blackish brown, lighter below. 



Ranee.— "Coast of Lower California south to Panama." (A. O. U ) 



105. Forked-tailed Petfel [Ocmnadroma /urcala], 

 L, 8. 7. /ids. Tail forked; bluish gray, wings 

 darker; a blackish space about eye. 



Range.— North Paclfii:; brseds In Aleutian Islands; recorded north 

 li^f Dediig Sli'dlt; winters south to Cdtiforni.1. 



1 05. 1 . Kaeding Petrel {Oceanociroma kaedingi). 

 W. 6. Ads. Similar to O, hucorrkoa, but much 

 smaller with much less deeply forked tail. (Anthony.) 



Range.— Pacific Ocean; {Socorro Islands. Lower California.) 



! OR. Ashy Petrel (Oceanodroma homocbroa''. L. 8. 5. 

 Ads. No white on rump; tail forked; sooty black 

 above, browner below; wing covert.'^ grayish. 



Range. — "Coas^t of California; breeds on tlie Santa Barbara and 

 Fatallone Islands." (A. O. U.) 



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