BIRDS OF THE BRITISH ISLES. 



395 



(Eappcb Ipctrel 



John Dua/ca/v 



The Capped Petrel {(Estrelata hcesitata, Kuhl) is a very 

 rare irregular migrant to the British Islands, and is supposed 

 to inhabit the South Atlantic. The adult has the crown of 

 the head and nape, black; upper parts, deep brown; fore- 

 head, cheeks, neck, rump, and upper tail-coverts, white ; 

 central rectrices, mostly blackish, with the basal part more 

 or less white and edged broadly with brown ; under plumage, 

 white; bill, black; legs and feet, dull yellowish. Length, 

 about sixteen inches. 



