270 BRITISH BIRDS' NESTS. 



their nests were being robbed/ ' Local and other 

 names : Fulmar, Northern Fulmar, Mallemock, 

 Mallduck, Malmock. Gregarious, and a close sitter. 



HOME OF THE FULMAR PETREL, THE DOON, ST. KILDA. 



PETREL, LEACH'S FORK-TAILED. 



(Oceanodroma leucorrhoa.) 

 Order TUBINARES ; Family PROCELLARIID^E (PETRELS). 



Description of Parent Birds. Length about 

 seven and a quarter inches. Bill of medium length, 

 nearly straight, and black. Irides dark brown. 

 Head, neck, and back brownish-black, the two 

 former rather lighter in shade than the latter. 

 Wing-coverts reddish-brown, tinged with grey on 

 the edges ; quills black. Upper tail-coverts white ; 

 tail-quills black and slightly forked ; breast, belly, 

 vent, and under tail-coverts, in the middle, black. 

 A white streak starts from behind each thigh and 

 runs down the sides of the vent and under tail- 

 coverts. Legs, toes, webs, and claws black. 



The female is like the male. 



