﻿CONTENTS 
  

  

  Page 
  

   Original 
  Papers 
  

  

  Mineralogy. 
  — 
  Smcosite, 
  a 
  new 
  mineral. 
  Waldemar 
  T. 
  SchallER 
  195 
  

  

  Mineralogy. 
  — 
  Cristobalite 
  from 
  the 
  Columbia 
  River 
  Basalt 
  of 
  Spokane, 
  Wash. 
  Earl 
  

  

  V. 
  Shannon 
  195 
  

  

  Crystallography. 
  — 
  Review 
  of 
  the 
  optical-crystallographic 
  properties 
  of 
  calcium 
  

  

  oxalate 
  monohydrate. 
  Edgar 
  T. 
  Wherry 
  196 
  

  

  Botany. 
  — 
  ^Two 
  new 
  species 
  of 
  Acanthospermum 
  from 
  the 
  Galapagos 
  Islands. 
  

  

  S. 
  F. 
  Blake 
  200 
  

  

  Bptany. 
  — 
  A 
  perennial 
  species 
  of 
  teosinte. 
  A. 
  S. 
  Hitchcock 
  205 
  

  

  Ethnology. 
  — 
  Customs 
  of 
  the 
  Chukchi 
  natives 
  of 
  northeastern 
  Siberia. 
  

  

  H. 
  U. 
  SvERDRUP 
  208 
  

  

  Proceedings 
  

  

  Entomological 
  Society 
  213 
  

  

  Scientific 
  Notes 
  and 
  News 
  216 
  

  

  