Plate IX. 







-:r -jr^ 



■■^«^*cfe4,'*i«fc^ 





fig. i6. 

 A Single Bird. 



E. R. W., Photo. 



Fig. 17. E. R. IV.. Photo. 



Desert Horned Lark. 

 A Flock feeding in Alamo Park, Colorado Springs, February, 1903. 



