﻿300 
  Panama 
  Shells. 
  purpueidjb. 
  

  

  Monoceros 
  cingulatum 
  Lam. 
  An. 
  sans 
  Vert. 
  X. 
  118. 
  No. 
  1. 
  

  

  Desh. 
  Ed. 
  .------ 
  - 
  1844. 
  

  

  Reeve 
  Conch. 
  Icon. 
  i^l. 
  3. 
  f. 
  11. 
  Sept. 
  1846. 
  

  

  Station. 
  — 
  In 
  clefts 
  of 
  rocks 
  at 
  low 
  water 
  ; 
  Cuming 
  ! 
  Reeve. 
  

  

  We 
  have 
  found 
  it 
  in 
  the 
  same 
  situation. 
  

  

  Habitat. 
  — 
  Unknown 
  ; 
  Wood. 
  

  

  Western 
  shores 
  of 
  Mexico 
  ; 
  Humboldt 
  and 
  Bon- 
  

  

  pland! 
  Lamarck. 
  

   Western 
  shores 
  of 
  Mexico, 
  those 
  of 
  California; 
  

  

  Kiener. 
  

   Panama 
  ; 
  Sowerby 
  ; 
  also 
  Jay. 
  

   Mazatlan 
  ; 
  Melchers 
  ! 
  Menke. 
  

   Panama 
  ; 
  E. 
  Jewett 
  ! 
  Gould 
  MSS. 
  

   Taboga, 
  and 
  Panama 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   We 
  obtained 
  75 
  specimens, 
  a 
  majority 
  of 
  which 
  are 
  young, 
  in 
  

   part 
  at 
  Panama, 
  but 
  mostly 
  at 
  Taboga. 
  

  

  69. 
  Purpura 
  €aroleiisi§. 
  

  

  Synonymy. 
  

  

  Purpura 
  Carolensis 
  Reeve 
  Conch. 
  Icon. 
  pi. 
  11. 
  f. 
  57. 
  Sept. 
  1846. 
  

  

  Station. 
  — 
  Under 
  stones 
  at 
  low 
  water 
  ; 
  Cuming 
  ! 
  Reeve. 
  

   We 
  found 
  this 
  species 
  under 
  stones 
  and 
  in 
  the 
  crevices 
  of 
  

   rocks 
  near 
  low 
  water 
  mark. 
  

  

  Habitat. 
  — 
  Charles 
  I. 
  Gallapagos 
  ; 
  Cuming 
  ! 
  Reeve. 
  

  

  Gallapagos 
  ; 
  Jay. 
  

  

  Taboga 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   We 
  collected 
  20 
  specimens, 
  many 
  of 
  which 
  are 
  immature. 
  

  

  70. 
  Purpura 
  foveolata. 
  Nov. 
  sp. 
  

  

  Shell 
  obliquely 
  rhombic 
  : 
  white 
  : 
  with 
  very 
  prominent 
  com- 
  

   pressed 
  transverse 
  ridges, 
  about 
  nine 
  on 
  each 
  whorl, 
  and 
  four 
  

   spiral 
  keels 
  which 
  are 
  very 
  prominent 
  and 
  much 
  compressed, 
  of 
  

  

  