JUN 6 ]9m 



PROCEEDINGS 



\ *^ \ OF THE 



American PhildsophiqaliSQiiieity 



HELD AT PHILADELPHIA 



FOR PROMOTING USEFUL KNOWLEDGE 



Vol. LV. 1916. No. 3. 



CONTENTS 



PAG! 



On Ethnological Tests of Sensation and Perception, with Special Reference to Tests of Color 

 Vision and Tactile Discrimination Described in the Reports of the Cambridge Anthro- 

 pological Expedition to Torres Straits. By E. B. Titchener 204 



Two New Terms, Cormophytaster and Xeniophyte, Axiomatically Fundamental in Botany. 



By William Trelease ... 237 



On the Effect of Continued Administration of Certain Poisons to the Domestic Fowl, with 



Special Reference to the Progeny. By Raymond Pearl ... 243 



America as the Defender of Neutral Rights. By L. S. Rowe 259 



Legal and Political International Questions and the Recurrence of War. By Thomas 



Willing Balch ...... 267 



Observations on the Mentality of Chimpanzees and Orang-utans. By William H. Furness, 2d 281 



PHILADELPHIA 

 THE AMERICAN PHILOSOPHICAL SOCIETY 



104 South Fifth Street 

 1916 



