PROCELLARIID^!. 63 



371. DUSKY SHEARWATER. Puffinus obscurus (J. F. Gmelin). Two Atlantic, 

 occurrences : Kerry Coast, 1853 ; Suffolk, 1858. w - Indies. 



Smaller than Manx Shearwater. Above black ; underparts pure 

 white ; axillaries white. Length 11 inches. 



372. WHITE-FACED or FRIGATE-PETREL. Pelagodroma marina N.Zealand, "I* 

 (Latham). Eeported, once, from Lancashire Coast, Nov. 1890 ('Ibis/ S. Pacific. ^J- 

 1891, p. 602). ^j 



Forehead, face, line over eye and below pure white ; above slate- 

 colour ; upper tail-coverts light ; legs and feet black, webs yellow. 

 Length 9 inches. 



373. BULWER'S PETREL. Bulweria columbina (Moquin-Tandon). One Canaries, 

 ^occurrence : Yorkshire, 1837. 



Uniform brownish black ; tail long and wedge-shaped. Length Islands. 

 10| inches. 



- 374. STORM-PETREL. Procellaria pelagica, Linnaeus. R-esident. 



^ Above slaty black ; upper tail-coverts and sides of vent white ; 

 below darker ; tail slightly rounded ; legs and feet black. Length ^" 

 5 1 inches. Smallest web-footed bird. 



375. FORK-TAILED PETREL. Procellaria leucorrhoa, Vieillot. Resident, N. Atlantic, 

 f breeding in Hebrides, and Blasquets, Co. Kerry. 



Slate-black above, darker below ; upper tail-coverts white ; tail long, 

 deeply forked. Length 7^ inches. 



/ 376. LONG-LEGGED or WILSON'S PETREL. Oceanites oceanicus (Kuhl). Atlantic, 

 fe> Scarce straggler. ler^uelei 



Sooty black, darkest below ; upper tail-coverts and sides of vent Island. 

 white ; tail almost square ; hind toe absent. 



Legs 1 1 inches long and slender, covered with large scales ; toes 

 black, with the centre of tbe webs yellow. Length 7| inches. 



