SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 143, NUMBER 1 



LOCOMOTOR MECHANISMS 



OF BIRDS 



By 

 FRANK A. HARTMAN 



Department of Physiology 



The Ohio State University 



Columbus, Ohio 



(Publication 4460) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JUNE 30, 1961 



