U. S. NATIONAL MUSEUM 



BULLETIN 170 PLATE 73 



Raynham, Mass., May 12, 1907. 



Young on ground, averaging about 30 days old. 



A. C. Bent. 



Raynham, Mass., April 25, 1907. 



Averaging about two weeks old. 

 Young Great Horned owls. 



A. C. Bent. 



