﻿EXPLANATION 
  OF 
  PLATES. 
  

  

  The 
  specimens 
  represented 
  in 
  the 
  Plates 
  are 
  ail 
  preserved 
  

   in 
  the 
  Collection, 
  and 
  bear 
  the 
  register-numbers 
  placed 
  

   in 
  square 
  brackets. 
  Unless 
  otherwise 
  stated, 
  the 
  drawings 
  

   are 
  of 
  the 
  natural 
  size. 
  

  

  