﻿CATALOGUE 
  

  

  LAND 
  SHELLS 
  WHICH 
  INHABIT 
  JAMAICA. 
  

  

  BY 
  C. 
  B. 
  ADAMS, 
  

  

  PROFESSOR 
  OF 
  ZOOLOGY, 
  ETC., 
  IN 
  AMHERST 
  COLLEGE, 
  MASSACHUSETTS. 
  

  

  APRIL, 
  

  

  1891. 
  

  

  FAMILY 
  CYCLOSTOMIDJB. 
  

  

  CYCLOSTOMA. 
  

  

  13. 
  C. 
  retrorsum 
  Ad. 
  

  

  