﻿494 
  Panama 
  Shells. 
  VENERlDiB. 
  

  

  Venus 
  gnidia 
  Gray 
  in 
  Beech. 
  Voy. 
  Zool. 
  pi. 
  41. 
  f. 
  3. 
  1839. 
  

  

  Reeve 
  Conch. 
  Syst. 
  pi. 
  68. 
  f. 
  5. 
  Sept. 
  1841. 
  

  

  Hanley's 
  Supp. 
  Wood 
  Ind. 
  Test. 
  pi. 
  13. 
  f. 
  43. 
  1845 
  ? 
  

  

  Hanley 
  Descr. 
  Catal. 
  p. 
  113. 
  1845 
  ? 
  

  

  Orb. 
  Voy. 
  Amer. 
  Merid. 
  Moll. 
  p. 
  564. 
  1846. 
  

  

  Station. 
  — 
  [Inknown. 
  

  

  HaUtat. 
  — 
  Pacific 
  ; 
  Hanley. 
  

  

  Payta 
  ; 
  Fontaine 
  ! 
  Orbigny. 
  

   San 
  Bias 
  ; 
  Jay. 
  

  

  Mazatlan 
  ; 
  Lt. 
  Green 
  ! 
  Gould 
  MSS. 
  

   Panama 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   We 
  obtained 
  4 
  specimens 
  of 
  a 
  variety 
  which 
  is 
  distinguished 
  

   by 
  smaller 
  size 
  and 
  proportionally 
  more 
  approximate 
  concen- 
  

   tric 
  ridges. 
  Very 
  fine 
  specimens, 
  with 
  the 
  concentric 
  ridges 
  dis- 
  

   tant, 
  thin, 
  and 
  much 
  elevated, 
  are 
  sometimes 
  obtained 
  at 
  Panama. 
  

  

  438. 
  Tenus 
  multicostata. 
  

  

  Synonymy, 
  

  

  Venus 
  multicostata 
  Sowb. 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lbnd. 
  p. 
  22. 
  Feb 
  1835. 
  

  

  Hanley 
  Descr. 
  Catal. 
  p. 
  128. 
  1845 
  t 
  

  

  Thouarsi 
  Val. 
  Voy. 
  Venus. 
  Moll. 
  pi. 
  16. 
  f. 
  1. 
  1846. 
  

  

  Station. 
  — 
  In 
  coarse 
  sand, 
  at 
  low 
  water; 
  Cuming! 
  Sowerby.. 
  

  

  Habitat. 
  — 
  Bay 
  of 
  Panama 
  ; 
  Cuming 
  ! 
  Sowerby. 
  

  

  Panama 
  ; 
  Hanley 
  : 
  also 
  Jay. 
  

  

  La 
  Paz 
  ; 
  Lt. 
  Green 
  ! 
  Gould 
  MSS. 
  

  

  Taboga 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   5 
  specimens 
  were 
  collected. 
  

  

  439. 
  Tenus 
  pectiinculoides. 
  

  

  Synonymy. 
  

   Venus 
  pectunculoides 
  Val. 
  in 
  Voy. 
  Venus. 
  Moll. 
  pi. 
  16. 
  f. 
  3. 
  1848- 
  

  

  