PROCELLAEIIDiE 



DIOMEDBA 



497 



these limits, and has [even been recorded from time to time in 

 European and North American waters, though it has never been 

 met with in the neighbourhood of the Antarctic Ice Pack. The 

 bird found in the Southern Indian Ocean which nests on the 

 Prince Edward Islands, the Crozet Islands and Kerguelen has 

 recently been discriminated by Salvin as a different species under 

 another name (D. chionoptera). 



Pig. 153. — Diomedea exulans. 



If the validity of the last-named species is maintained it will 

 almost certainly be found to occur off the coast of South Africa. 

 It is distinguished by having the upper back quite white without 

 any narrow transverse bands and the primaries beneath with a large 

 white patch on the inner web. All the examples in the South 

 African Museum are undoubtedly referable to D. exulans ; they are 

 all from Table Bay or its vicinity and have been obtained in the 

 months of August and September. 



Habits. — This, the largest of all the sea birds and generally 

 known as "The Albatros" without any qualification, is to be found 

 32 VOL. IV. 



