158 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 

 Fig. 97. 



V 



Prion vittatus. Profile of head. From material in 

 the British Museum. Natural size. 





Fig. 98. 



Fig. 99. 



I 1' 



if, ' 





'"// 





\\'i 



Ji 



xcv;;:,. j^y 



Prion vittatus. Head from above. 

 From material in the British Museum. 

 Natural size. 





Prioti vittatus. Beak from be- 

 neath. From material in the 

 British Museum. Natural size. 



Neck : Above clear plumbeous blue shading into paler greyish blue on 

 the sides. Beneath including throat and chin pure white. 



Back: Clear plumbeous blue, somewhat paler in shade than on the 

 crown and crossed by a dusky or black band. 



