846 OCEANODROMA 



1161. SOOTY PETREL. 

 OCEANODROMA FULIGINOSA. 



Oceanodroma fuliginosa (Gmel.), Syst. Nat. i. p. 562 (1788) ; Stejn. Pr. 

 U.S. Nat. Mus. xvi. p. 620 (1893) ; Salvin, Cat. B. Br. Mus. xxv. 

 p. 352. 



Ad. Crown, occiput, hind neck, back, scapulars, and upper rump 

 uniform dark sooty slate, darker and more sooty on posterior scapulars, 

 the longest feathers of which are distinctly paler at ends, with a narrow 

 terminal margin of brownish white ; lesser and uppermost, median and 

 greater wing-coverts sooty black ; rest of wing- coverts and tertials light 

 greyish brown (between " broccoli " and " hair-brown ") ; alula, primary 

 coverts, and remiges uniform sooty black ; lower rump light greyish 

 brown ; upper tail-coverts and tail sooty black ; anterior portion of head 

 all round silky deep sooty grey or greyish brown, deepening gradually 

 into the darker colour of the occiput, &c. ; under parts uniform sooty 

 greyish brown (much like the colour of the greater wing-coverts), the 

 under wing-coverts rather lighter and more tinged with brown ; bill and 

 feet black. Total length (skin) about lO'OO inches, wing 7'50, tail 4*45, 

 forked for T60, culmen 0*70, depth of bill just before nasal tubes 0'25, 

 tarsus 1*10, middle toe with claw riO. 



Hob. Japanese seas. 



I have not had an opportunity of examining a specimen of 

 this Petrel, and have therefore reproduced Mr. Ridgway's 

 description, furnished to Mr. Salvin (Cat. B. Br. Mus. xxv. p. 353). 

 Nothing appears to be known respecting the habits and nidifica- 

 tion of this species. 



1162. JAPANESE BLACK PETREL. 

 OCEANODROMA TRISTRAMI. 



Oceanodroma tristrami, Stejn. M.S. Salvin, Cat. B. Br. Mus. xxv. p. 354 ; 

 0. melania (Seeb., nee. Bp.), B. Jap. Emp. p. 270 (1890). 



ad. (Japan). Anterior portion of head all round sooty greyish 

 brown (decidedly darker than in 0. homochroa}, changing gradually to 

 sooty blackish slate on hinder crown, occiput, and hind neck, and to deep 

 greyish sooty brown on fore neck and chest ; rest of under parts light 

 greyish sooty brown, each feather indistinctly tipped with darker (colour 

 of chest), producing a very faint transversally mottled appearance, the 

 under tail coverts, however, uniform, though the colour gradually becomes 

 darker towards ends of longer feathers ; under wing-coverts uniform light 

 greyish sooty brown, those along edge of wing much darker, with pale 

 margins ; back, scapulars, and upper rump sooty slate-colour, each feather 



