﻿870 
  Panama 
  Shells. 
  MURiciDiE. 
  

  

  Panama, 
  Gulf 
  of 
  Nicoya, 
  and 
  western 
  coast 
  of 
  

  

  Mexico 
  ; 
  Hinds 
  ! 
  Reeve. 
  

   Panama 
  ; 
  Jay. 
  

   Panama 
  ; 
  0. 
  B. 
  A. 
  ! 
  

   8 
  specimens 
  were 
  obtained. 
  

  

  179. 
  Pleurotoma 
  pallida. 
  

  

  Synonymy. 
  

  

  Pleurotoma 
  pallida 
  Sowb. 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  137. 
  Dec. 
  1833. 
  

  

  Mull. 
  Synop. 
  Nov. 
  Test. 
  Viv. 
  p. 
  113. 
  May 
  1836. 
  

  

  Reeve 
  Concli. 
  Icon. 
  pi. 
  16. 
  f. 
  134. 
  Aug. 
  1843. 
  

  

  Station. 
  — 
  A 
  sandy 
  muddy 
  floor 
  at 
  tlie 
  deptli 
  of 
  13 
  fathoms 
  ; 
  

   Cuming 
  ! 
  Sowerby 
  : 
  also 
  Eeeve. 
  

  

  Habitat. 
  — 
  Puerto 
  Portrero 
  ; 
  Cuming 
  ! 
  Sowerby 
  : 
  also 
  Reeve 
  : 
  

   also 
  Miiller. 
  

   Panama 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   12 
  specimens 
  in 
  various 
  stages 
  of 
  growth 
  were 
  obtained. 
  

  

  180. 
  Pleurotoma 
  ri^ida. 
  

  

  Synonymy. 
  

  

  Clavatula 
  rigida 
  Hinds 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  45. 
  Mar. 
  1843. 
  

  

  Hinds 
  inVoy. 
  Sulph. 
  Moll. 
  pi. 
  7. 
  f. 
  18. 
  1844. 
  

  

  Pleurotoma 
  Eeeve 
  Conch. 
  Icon. 
  pi. 
  25. 
  f. 
  216, 
  Oct. 
  1845. 
  

  

  Station. 
  — 
  Unknown. 
  

  

  Habitat. 
  — 
  Panama 
  ; 
  Hinds 
  ! 
  quoted 
  by 
  Reeve. 
  

  

  Panama 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   We 
  collected 
  20 
  specimens 
  of 
  this 
  species 
  in 
  some 
  calcareous 
  

   sand 
  near 
  the 
  sea 
  wall 
  of 
  Panama. 
  

  

  181. 
  Pleurotoma 
  rudis. 
  

  

  Synonymy. 
  

   Pleurotoma 
  rudis 
  Sowb. 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  134. 
  Dec. 
  1833. 
  

  

  