﻿California 
  Academy 
  of 
  Sciences 
  

  

  rresen 
  ted 
  by 
  Koninklijke 
  Akademie 
  

   van 
  Wetenschappen, 
  

   Amsterdam. 
  

  

  January 
  t 
  \ 
  9 
  q2^ 
  

  

  