﻿ORBICULA. 
  Panama 
  Shells. 
  527 
  

  

  Class— 
  BEACHIOPODA. 
  

  

  51 
  T. 
  Orbicula 
  Cuniing^ii. 
  

  

  Synonymy. 
  

  

  Orbicula 
  Gumingii 
  Brod. 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  125. 
  Nov. 
  1833. 
  

   Brod. 
  in 
  Trans. 
  Zool. 
  Soc. 
  Lond. 
  I, 
  143, 
  

  

  pi. 
  23. 
  f. 
  1. 
  1835. 
  

  

  Brod. 
  in 
  Ann. 
  des 
  Sc. 
  Nat. 
  p. 
  29. 
  pi. 
  2. 
  f. 
  1. 
  1835. 
  

  

  Miili. 
  Syn. 
  Test. 
  Viv. 
  p. 
  175. 
  1836. 
  

  

  Lam. 
  An. 
  sans 
  Vert. 
  VIL 
  317. 
  No. 
  3. 
  

  

  (Desh. 
  ed.) 
  1836. 
  

  

  Lam. 
  An. 
  sans 
  Vert. 
  IIL 
  Pt. 
  L 
  p. 
  118. 
  

  

  No. 
  3. 
  (Desh. 
  ed. 
  tert.) 
  - 
  - 
  - 
  1841. 
  

   Sowb. 
  Thes. 
  Conch, 
  p. 
  366. 
  No. 
  4. 
  

  

  pi. 
  73. 
  f. 
  6. 
  1846. 
  

  

  Orb. 
  Voy. 
  Araer. 
  Merid. 
  Moll. 
  p. 
  677. 
  1846. 
  

  

  Station. 
  — 
  Attached 
  to 
  the 
  lower 
  sides 
  of 
  stones, 
  in 
  sandy 
  

   mud, 
  at 
  low 
  water, 
  and 
  in 
  some 
  instances 
  at 
  a 
  depth 
  of 
  6 
  

   fathoms 
  ; 
  Cuming 
  ! 
  Broderip. 
  

  

  Our 
  specimens 
  were 
  also 
  found 
  at 
  low 
  water 
  mark, 
  attached 
  

   to 
  the 
  under 
  side 
  of 
  stones. 
  

  

  Habitat. 
  — 
  Payta, 
  St. 
  Elena, 
  and 
  Panama 
  ; 
  Cuming 
  ! 
  Broderip 
  ; 
  

   also 
  Sowerbj. 
  

  

  Payta 
  and 
  St. 
  Elena 
  ; 
  Cuming 
  ! 
  Orbigny. 
  

  

  Seas 
  of 
  Chili 
  and 
  of 
  Peru 
  ; 
  Deshayes. 
  

  

  Panama; 
  C. 
  B, 
  A. 
  ! 
  

   50 
  specimens 
  were 
  collected 
  on 
  the 
  reef 
  

  

  