M V , 



recorded only from the Eastern Atlantic, and as occasionally occurring in Greenland 

 and the Bermudas, is very interesting, especially as we might have expected to find 

 B. macgilliwayi there, and raises the question whether the latter, of which I think 

 only one specimen is known, may not simply be an abnormal individual of B. bulweri. 



" Measurements. 



U.S. Nat. 

 Mus. No. 



Collector. 



Sex and 

 age. 



Locality. 



Wing. 



Tail- 

 feathers. 



Exp. 

 culmen. 



Tarsus. 



Middle 



toe with 



claw. 



Graduation 

 of tail. 



116945 



116946 



32519 



Knudsen. 

 do. 



Ad. 

 Ad. 



Kauai, Hawaiian Islands. 



do. 

 Canary Islands. 



199 

 196 

 199 



110 

 113 



109 



21 

 21 



22 



27 

 28 

 25 



30 



28 

 28 



47 

 42 



43" 



Description. — Adult male and female. Almost uniform sooty brown, rather lighter 

 below and on the greater wing-coverts ; bill black ; feet yellow, with darker webs. 



Dimensions. — "Total length about 11 inches; wing 7 - 7; tail, central feathers 4'1, 

 lateral 3 ; culmen about 1*2 ; tarsus 1'05, middle toe 1*2 " (Salvin). 



