2OO BRITISH BIRDS. 



Common on all our coasts, particularly during migration. 

 Breeds numerously on the coasts of Scotland, Ireland, 

 Wales and the Scilly Isles. A single egg is laid in a 

 hole burrowed in the ground or under boulders ; it is 

 pure white, sometimes speckled with rufous ; no by "85. 



GENUS CXCIV. OCEANODROMA, Reichenbach (7853). 



356. Oeeanodroma leueorrhoa (Vieill.). LEACH'S 

 PETREL. 



Hab. Islands of North Atlantic and North Pacific. 



Chiefly known as an irregular visitor to our coasts, 

 especially the eastern side. It has, however, long been 

 known to breed at St. Kilda, and has more recently been 

 found breeding in the outer Hebrides and on the Blasquets 

 off the coast of Kerry. 



Distinguished from P. pelagica by its deeply forked 

 tail and larger size ; length 6*75 ; wing 6'oo. 



357. Oeeanodroma eryptoleueura. 



Hab. Islands of the South Atlantic. 

 One was picked up on the beach near Dungeness, 

 December 5th, 1895. 



GENUS CXCV. OCEANITES, Keyserling & Blasius (1840). 

 358. Oeeanites oeeanieus, Kuhl. WILSON'S PETREL. 



Hab. Islands of South Atlantic and South Pacific. 



A rare straggler to England, nine or ten examples 

 having been obtained and others seen. One is said 

 to have been taken in Ireland in 1840, while two more 

 were obtained in October, 1891. 



GENUS CXCVI. PUFFINUS, Brisson 

 Bill slightly longer than head, somewhat slender, both 

 mandibles decurved at tip, particularly upper one. 



