4 3-^^ 



PROCEEDINGS 



OF THE 



American Philosophical Society 



HELD AT PHILADELPHIA 



FOR PROMOTING USEFUL KNOWLEDGE 



Vol. LIII. January— May, 1914. No. 213. 



CONTENTS 



On " Psychology as the Behaviorist Views It." By E. B. Titchener - - - i 

 The Valence of Nitrogen in Ammonium Salts. By William A. Noyes and Ralph 



S. Potter 18 



Some Further Considerations in the Development of the Electron Conception of 



Valence. By K. George Falk 25 



Hewettite, Metahewettite and Pascoite, Hydrous Calcium Vanadates. By W. F. 



Hillebrand, H. E. Merwin and Fred E. Wright 31 



The Influence of Atmospheric Pressure upon the Forced Thermal Convection from 

 Small Electrically Heated Platinum Wires. By A. E. Kennelly and H. S. 



Sanborn 55 



The United States as a Factor in World Politics. By L. S. Rowe - - - - 78 



The Morphology of the Passamaquoddy Language of Maine. By J. Dyneley Prince 92 



Discussion of " A Kinetic Theory of Gravitation." By Charles F. Brush - - 118 

 Minutes: 



Stated Meeting, January 2 - - • - - - - - - - -in 



Stated Meeting, February 6 . . . . iv 



Stated Meeting, March 6 -o 



Stated Meeting, April 3 - - - - - -- - - - - v 



Stated General Meeting, April 23, 24, and 25 vi 



PHILADELPHIA 



THE AMERICAN PHILOSOPHICAL SOCIETY 



104 South Fifth Street 



1914 



