U S. NATIONAL MUSEUM 



BULLETIN 179 PLATE 50 







"v** 



* f ,Mt 





s 

 1^^ 







Near \1 



Wis., April 16, 1937. 



Female incubating. 



' : S'r t.. ind Carl Kinzel. 

 Cuurtesy Murl Deusing. 



Near La Grange, 111 



L 



A. M. Bailey. 

 I. ■ilorado Museum of Natural Historx'. 



Male at nest. 

 Prairie horned lark. 



