﻿ARC 
  A. 
  Panama 
  Shells. 
  481 
  

  

  412. 
  Pectunctilii!^ 
  inaculatusi 
  

  

  Synonymy. 
  

  

  Fectunculus 
  maculatus 
  Brod. 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  126. 
  June 
  1832. 
  

   Reeve 
  Conch. 
  Icon. 
  pi. 
  1. 
  f. 
  4. 
  Feb. 
  1843. 
  

  

  Station. 
  — 
  In 
  fine 
  gravel 
  in 
  11 
  fathoms 
  water; 
  Cuming! 
  

   Broderip. 
  

  

  Habitat. 
  — 
  Puerto 
  Portrero 
  ; 
  Cuming 
  ! 
  Broderip 
  : 
  also 
  Eeeve. 
  

   Panama 
  ; 
  C. 
  B. 
  A. 
  ! 
  

  

  We 
  obtained 
  only 
  one 
  specimen. 
  It 
  is 
  nearly 
  covered 
  with, 
  

   very 
  large 
  irregular 
  spots 
  and 
  radiating 
  lines 
  of 
  dark 
  red 
  ; 
  it 
  is 
  

   also 
  very 
  convex 
  at 
  the 
  umbones, 
  and 
  in 
  both 
  of 
  these 
  charac- 
  

   ters 
  appears 
  to 
  differ 
  from 
  the 
  P. 
  maculatus 
  as 
  described 
  by 
  Mr. 
  

   Broderip, 
  and 
  as 
  figured 
  by 
  Mr. 
  Eeeve. 
  

  

  413. 
  Area 
  alternata. 
  

  

  Synonymy. 
  

  

  Byssoarca 
  alternata 
  Sowb. 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  17. 
  Feb. 
  1833. 
  

  

  Miill. 
  Syn. 
  Test. 
  Viv. 
  p. 
  184. 
  1836. 
  

  

  Area 
  Reeve 
  Conch. 
  Icon. 
  pi. 
  13. 
  f. 
  88. 
  Apr. 
  1843. 
  

  

  Hanley 
  Descr. 
  Catal. 
  p. 
  156. 
  1845 
  ? 
  

  

  Orb. 
  Voy. 
  Amer. 
  Merid. 
  Moll. 
  p. 
  638. 
  1846. 
  

  

  Station. 
  — 
  Attached 
  to 
  stones, 
  on 
  a 
  rocky 
  bottom, 
  at 
  the 
  

   depth 
  of 
  12 
  fathoms 
  ; 
  Cuming 
  ! 
  Sowerby 
  : 
  also 
  Eeeve. 
  

  

  Habitat. 
  — 
  West 
  Columbia 
  ; 
  Cuming 
  ! 
  Sowerby 
  : 
  also 
  Eeeve. 
  

  

  Equador; 
  Cuming! 
  Orbigny. 
  

  

  West 
  Columbia 
  ; 
  Hanley. 
  

  

  Mazatlan 
  ; 
  E. 
  Jewett 
  ! 
  Gould 
  MSS. 
  

  

  Panama 
  and 
  Taboga 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   4 
  specimens 
  were 
  collected. 
  

  

  414. 
  Area 
  aTieiiloide§ 
  ? 
  

  

  Synonymy. 
  

   Area 
  auriculata 
  Sowb. 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  20. 
  Feb. 
  1833. 
  

  

  