THE AMERICAN JOURNAL 



OF 



ANATOMY 



EDITORIAL BOARD 

 Charles R. Bardeen George S. Huntington 



University of Wisconsin Columbia University 



Henry H. Donaldson Franklin P. Mall 



The Wlstar Institute Johns Hopkins University 



Simon H. Gage J. Playfair McMurrich 



Cornell University University of Toronto 



G. Carl Huber Charles S. Minot 



University of Michigan Harvard University 



George A. Piersol 



University of Pennsylvania 



Henry McE. Knower, Secretary 



University of Cincinnati 



VOLUME 12 

 1911-1912 



THE WISTAR INSTITUTE OF ANATOMY AND BIOLOGY 



PHILADELPHIA, PA. 



