374 



PATAGONIAN EXPEDITIONS! ZOOLOGY. 



The naturalists of the Princeton Expeditions observed these birds in 

 the northern part of southern Patagonia, but did not secure representa- 

 tives. The two specimens in the Princeton Museum are cited in detail 

 below. These and the birds in the British Museum are the material for 

 the descriptive diagnoses presented. 



FIG. 197. 



Euxenura maguari. 8820 Princeton University Collection. Immature male. Showing the 

 bare skin of the face, lacking the papillae of the adult bird. % natural size. 



FIG. 198. 



Euxenura maguari. 8820 Princeton University Collection. Immature male. Showing the 

 feathering of the head in front and the absence of papillae about the eyes. ^ natural size. 



