﻿NOTE 
  8 
  

  

  ON 
  SOME 
  OF 
  THE 
  

  

  TH 
  A 
  T=tT,"g- 
  ST.A.a-lES3 
  

  

  OF 
  

  

  DEVELOPMENT 
  OF 
  THE 
  CLAM, 
  

  

  Or 
  MANANOSE. 
  

  

  {Mya 
  arenaria 
  Linn.) 
  

  

  BY 
  

  

  JOHN 
  A 
  . 
  RYDER. 
  

  

  