553 



hatched in July ; and after September few or none are seen till the following spring. It is never 

 seen in the bay nor in flocks, but keeps out at sea, and is, in a great measure, nocturnal in its 

 habits. He says it breeds in considerable numbers on the ' Denetas ' (an obvious misprint for 

 the Dezertas), and that its young are taken and salted indiscriminately with those of the Puffinus 

 the ' Cagarra,' which also breeds there. He failed to obtain a specimen before May 1828, when 

 he met with several at Porto Santo. Altogether it would seem that, even if Heineken's P. anjinho 

 be a distinct species, he has in his account of its habits confounded it with the P. buhveri of 

 Jardine and Selby, which, as stated above, is known to breed abundantly on the Dezertas." Were 

 it not that Bulweria has been adopted as a generic term for this species, bulweri would be the 

 correct specific name ; but as this is the case, columbina will have to be used, and I follow Brehm, 

 and most of the more recent authors, in calling it Bulweria columbina. 



The specimen figured, on the same Plate with Wilson's Petrel, is the bird above described. 



In the preparation of the above article I have examined the following specimens : — 



E Mus. H. E. Dresser, 

 a, ad. Dezertas (Dr. Frere). b, 6 ad. Dezertas (F. D. Godman). 



2z 



