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 tnagjiari. 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 papilla about the eyes. ^ natural size. 



Skin 

 Skin 



8697 

 8820 



male ad 

 male iin 



Locality. 



La Plata, Argentina 

 Province Buenos 

 Aires, Argentina 



April, 1898 

 October, 1896 



S. Pozzi 

 Museo La Plata 



