372 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



Total length, about 49.0 inches. 



Wing, 23.0. 



Culmen, 9.5. 



Tail, 9.2. 



Tarsus, 10.5. 



While there is a considerable range in the size of individuals, this factor 

 does not seem to be correlated with sex. 



Color. — Adult male (cited). General color white, with black regions 

 on the wings and tail. 



Fig. 193. 



(©) 



r""''--'m 



Eiixenitra viaguari. 8697 Princeton University Col- 

 lection. Adult male. Showing the bare skin with the 



papillse in front and below the eye. 

 size. 



About Vx natural 



Euxenura magiiari. 8697 Prince- 

 ton University Collection. Adult 

 male. Showing the feathering on the 

 forehead extending to base of bill. 

 About Vx natural size. 



Head : White. A large unfeathered area about the eye, deep pink or 

 red in life and dotted thickly with warty looking papillae; see Fig. 193. 



Neck : White. A bare gular area. The feathers over the crop are 

 long and having dissociated webs, have a tassel or plume-like appearance. 



Back : White, including the upper tail-coverts. 



