﻿INDEX 
  TO 
  PLATE 
  IX. 
  

  

  Fig. 
  1. 
  — 
  Verrillia 
  Blakei 
  ; 
  Stearns. 
  General 
  aspect 
  ; 
  one-twelfth 
  natural 
  

   size 
  ; 
  from 
  Dr. 
  Blake's 
  specimens. 
  

  

  Fig. 
  2. 
  — 
  Section 
  of 
  Polypiferous 
  portion 
  of 
  one 
  of 
  the 
  larj>est 
  and 
  most 
  

   crowded 
  specimens. 
  Natural 
  size. 
  

  

  Fig. 
  3. 
  — 
  Cross-section 
  through 
  Polypiferous 
  part 
  ; 
  «, 
  principal 
  longitudinal 
  

   canal 
  ; 
  b, 
  axis. 
  

  

  Fig. 
  4. 
  — 
  Cross-section 
  through 
  basal 
  part 
  ; 
  a, 
  canal 
  ; 
  6, 
  axis. 
  

  

  Fig. 
  5. 
  — 
  Section 
  of 
  Polypiferous 
  portion 
  of 
  a 
  smaller 
  and 
  less 
  crowded 
  

   specimen, 
  received 
  from 
  J. 
  S. 
  Lawson, 
  Esq. 
  Natural 
  size. 
  

  

  Fig 
  6. 
  — 
  Section 
  of 
  above 
  ; 
  (Fig. 
  .o) 
  showing 
  chevron-like 
  arrangement 
  of 
  

   Polyp-rows, 
  opposite 
  the 
  axial-side. 
  Natural 
  size. 
  

  

  