﻿CONTENTS 
  

  

  Original 
  Papers 
  

  

  Page 
  

  

  Mathematics. 
  — 
  ^A 
  mathematical 
  note 
  on 
  the 
  annealing 
  of 
  glass. 
  E. 
  D. 
  Wiluamson. 
  . 
  1 
  

  

  Mineralogy. 
  — 
  Gillespite, 
  a 
  new 
  mineraL 
  Waldemar 
  T. 
  SchaixEr 
  7 
  

  

  Ichthology. 
  — 
  ^Notice 
  of 
  a 
  spiral 
  valve 
  in 
  the 
  Teleostean 
  fish 
  Argentina 
  silus, 
  with 
  a 
  

   discussion 
  of 
  some 
  skeletal 
  and 
  other 
  characters. 
  Wiluam 
  C. 
  Kendall 
  and 
  

   Donald 
  R. 
  Crawford 
  8 
  

  

  Abstracts 
  

  

  Geology 
  19 
  

  

  Hydrology 
  20 
  

  

  Ornithology 
  20 
  

  

  Proceedings 
  

  

  Philosophical 
  Society 
  21 
  

  

  Scientific 
  Notes 
  and 
  News 
  23 
  

  

  