BIRDS. 



Plate X. 



The feet of the Adelie Penguin {FyffosceUs aclelkc) at various ages. Figs. 1 and 2 

 are of corresponding age to fig. 1, PL IX. ; fig. 3, of corresponding age to fig. 2 

 PL IX. ; figs. 4 and .5, the normal foot of the adult ; and fig. 6, an abnormal 

 distribution of colour in the foot of an adult. 



