54 PETRELS, SHE AK WATERS, ETC. 



27. SCALED PETREL. 



About the size and form of the black- 

 capped Petreh Dark bluish ash above with 

 most of the feathers broadly margined with 

 ashy white, giving the bird a scaly appear- 

 ence. 



White beneath, irregularly and rather 

 finely banded with grayish. Known only 

 from a single specimen which was obtained 

 in a plowed field, Livingston Co., New York, 

 in April, 1880. 



28. BULAVER PETREL. 



A small bird, 10 long, with a doubly 

 wedge-shaped tail. Sooty brown through- 

 out, somewhat paler beneath and in a patch 

 on wing. Occurs in Europe, Africa ; occasion- 

 al in Greenland and accidental in Bermuda. 



29. STORMY PETREL. 



The smallest of our Petrals, about 5.50 

 long. The tail is square. Soot}^ black 

 throughout, including bill and feet, with a 



