CONTENTS 



Original Papers 



Page 

 Electrochemistry. — The electrometric titration of zinc with ferrocyanide. 

 F. Russell v. Bichowsky 141 



Mineralogy. — Neodymium as the cause of the red-violet color in certain 

 minerals. Edgar T. Wherry 143 



Genetics. — A correlation between endosperm color and albinism in maize. 

 J. H. Kempton 146 



Ethnology. — An initiation at Hano in Hopiland, Arizona. J. Walter 

 Fewkes 149 



Abstracts 



Gravity 159 



Physics 160 



Chemistry 161 



Metallography 161 



Geology 162 



Botany 162 



Proceedings 



The Philosophical Society of Washington 163 



The Biological Society of Washington 165 



The Botanical Society of Washington 167 



The Anthropological Society of Washington 169 



