Smithsonian Report. 1911 — Kalrn and Audubon 



v* v: — 



Plate I. 



•■'- u * 



fyauts Qgassiz queries. 

 ?/ 9 o 6 



BREUKER & KESSIER CO. PHILA 



PASSENGER PIGEON 



(Courtesy of W. R. Mershon) 



