PROCEEDINGS 



OF THE 



American Philosophical Society 



HELD AT PHILADELPHIA 



FOR PROMOTING USEFUL KNOWLEDGE 



Vol, L. September, 191 i; No. 201. 



CONTENTS. 



An Hydrometric Investigation of the Influence of Sea Water on the Distribu- 

 tion of Salt Marsh and Estuarine Plants. By John W. Harshbergbr, Ph. D. 457 



The Cost of Living in the Twelfth Century. By Dana C. Munro 497 



An Ancient Protest Against the Curse of Eve. By Paul Haupt 505 



Stated Meeting, Jufiuary 6, igii iii 



Stated Meeting, February 3, igii iv 



Stated Meeting, March 3, igu iv 



Stated Afeeting, April y, igii iv 



General Meeting, April 20^ 21, 22, igii v 



Special Meetings May 2, igii xH 



PHILADELPHIA 



THE AMERICAN PHILOSOPHICAL SOCIETY 

 104 South Fifth Street 



1911 



