﻿AliT. 
  22 
  

  

  NEW 
  LAND 
  SHELLS 
  FROM 
  MEXICO 
  BARTSCH 
  

  

  EXPLANATION 
  OF 
  PLATE 
  

  

  Fig. 
  1. 
  Holospira 
  (Holospira) 
  monclovana 
  B. 
  

  

  2. 
  Holospira 
  (Holospira) 
  monclovana, 
  showing 
  internal 
  lamellation. 
  

  

  3. 
  Holospira 
  (Eudistemma) 
  picta 
  B., 
  showing 
  internal 
  lamellation. 
  

  

  4. 
  Holospira 
  (Eudistemma) 
  picta. 
  

  

  5. 
  Holospira 
  (Holospira) 
  orcutti 
  B. 
  

  

  6. 
  Holospira 
  (Holospira) 
  orcutti, 
  showing 
  internal 
  lamellation. 
  

  

  o 
  

  

  