37 2 



PATAGONIAN EXPEDITIONS I 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. 



FIG. 194. 



Euxenura maguari. 8697 Princeton University Col- Euxenura maguari. 8697 Prince- 



lection. Adult male. Showing the bare skin with the ton University Collection. Adult 

 papillae in front and below the eye. About % natural male. Showing the feathering on the 

 size. forehead extending to base of bill. 



About Y^ 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. 



