PLATE XL VIII 



Fig. I. Diomedea exulans. Chionoptera form, on nest. 



Fig. 2. D. exulans, Exulans form, on nest. 



Fig. 3. D. exulans. Year old young in the nest in December, The down shed in patches, 

 showing dark feathers beneath. 



Fig. 4. D, exulans. Young after leaving the nest, the down nearly all shed: a few tufts 

 remain below the wing. 



