﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS. 
  VOL. 
  67, 
  ART. 
  21 
  PL. 
  24 
  

  

  

  

  KV-2&S 
  

  

  : 
  AC' 
  ■•'.■* 
  • 
  _| 
  ' 
  k 
  

  

  3 
  

  

  'rJ£ 
  

  

  • 
  *t 
  i 
  

  

  20 
  

  

  

  15 
  

  

  Lower 
  Cretaceous 
  Cyclostomatous 
  Bryozoa 
  

  

  For 
  explanation 
  of 
  plate 
  see 
  page 
  117 
  

  

  