U. S. NATIONAL MUSEUM 



BULLETIN 170 PLATE 19 



Pomona, Calif., May 4, 1928. 



I*.. L. Sumner, Jr 



\1» -in three days old. 



Pomona, Calif., May 19, 1928. 



Abi Mit eighteen days i ild. 

 Young Eastern Sparrow Hawks. 



