OCEANITES GRACILIS. 



recollection, it was in the " Maison Verreaux," and he understood that it was to be 

 offered to the British Museum. The specimen, however, never came to this institution. 



An example procured by Mr. A. A. Lane at Iquique, in Northern Chile, was 

 presented to the British Museum by the late Mr. Berkeley James. 



0. gracilis is plentiful in the Galapagos Archipelago, and is recorded by the 

 Hon. Walter Rothschild and Dr. Hartert from the following islands, viz. : Albemarle, 

 Narborough, Chatham, James, Charles, Abingdon, and Bindloe (Nov. Zool., VI., pp. 

 198, 205; IX., pp. 416, 418). 



Adult male. General colour above sooty-brown, blacker on the lower part of 

 the back, with a white band formed by the upper tail-coverts ; scapulars and wing- 

 coverts sooty-brown like the back, the greater series rather lighter brown and inclining 

 to whity-brown on their margins, but not showing a conspicuous wing-patch ; primary- 

 coverts and quills, black ; tail black, with white bases to the outer feathers ; crown and 

 sides of head a little darker than the back, the forehead slightly browner ; throat, 

 chest, and sides of body sooty-brown, lighter than the back ; centre of lower breast and 

 abdomen, as well as the vent, white, some of the feathers more or less smudged with 

 sooty-brown ; on the side of the vent, adjoining the white band across the upper tail- 

 coverts, a tuft of white feathers, more or less marked with brown near the ends ; 

 under tail-coverts sooty-brown, the lateral ones white, or white with brown ends ; bill 

 and feet black ; iris brownish. Total length, 5.3 inches ; culmen, 0.45 ; wing, 5.5 ; 

 tail, 2.3 ; tarsus, 1.25 ; middle toe and claw, 0.95. 



Adult female. Similar to the male. Total length, 5.3 inches ; wing, 5.5. 



The birds described are a pair from Abingdon Islands, Galapagos, obtained by the 

 Webster-Harris Expedition, and now in the British Museum. The specimen figured, 

 I believe to have been the one obtained at Iquique by Mr. A. A. Lane, which was 

 the only example available when the Plate was drawn. Salvin, however, has not left 

 any note on the subject. 



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