﻿454 
  Panama 
  Shells. 
  cal,yptb.^ii>jr. 
  

  

  Calyptraea 
  [Crepidula) 
  squama 
  Brod. 
  in 
  Trans. 
  Zool. 
  Soc. 
  Lond. 
  

  

  I. 
  205. 
  pi. 
  29. 
  f. 
  10. 
  - 
  1835. 
  

  

  Miill. 
  Synop. 
  Nov. 
  Test. 
  Viv. 
  p. 
  

  

  151. 
  - 
  - 
  - 
  - 
  May 
  1836. 
  

  

  Grepidula 
  Lara. 
  An. 
  sans 
  Vert. 
  VII. 
  648. 
  

  

  No. 
  16. 
  (Desh. 
  ed.) 
  - 
  1838. 
  

  

  Lam. 
  An. 
  sans 
  Vert. 
  III. 
  Pt. 
  1. 
  p. 
  

  

  239. 
  No. 
  16. 
  (Desh. 
  ed. 
  tert.) 
  1841. 
  

  

  The 
  specimens 
  vary 
  much 
  in 
  color 
  : 
  the 
  normal 
  arrangement 
  

   is 
  with 
  dark 
  reddisli 
  brown 
  rajs 
  on 
  a 
  whitish 
  ground 
  ; 
  in 
  some 
  

   shells 
  the 
  rays 
  are 
  few 
  and 
  faint 
  ; 
  in 
  others 
  they 
  are 
  crowded 
  or 
  

   even 
  confluent. 
  The 
  surface 
  is 
  incurved 
  or 
  excurved 
  according 
  

   to 
  the 
  figure 
  of 
  the 
  spot 
  on 
  which 
  they 
  grow. 
  

  

  Station. 
  — 
  Under 
  stones 
  and 
  in 
  dead 
  shells 
  near 
  low 
  water 
  mark. 
  

  

  Habitat. 
  — 
  Panama 
  ; 
  Cuming 
  ! 
  Broderip 
  : 
  also 
  Miiller. 
  

  

  Panama 
  ; 
  Deshayes 
  : 
  also 
  Jay. 
  

  

  Panama 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   35 
  specimens 
  were 
  collected. 
  

  

  350. 
  Crepidula 
  uii§^uiformis. 
  

  

  Synonymy. 
  

  

  Gualt. 
  Test. 
  pi. 
  69. 
  f. 
  11. 
  1742. 
  

  

  Patella 
  crepidula 
  Linn. 
  Syst. 
  Nat. 
  p. 
  1257. 
  No. 
  752.(Ed. 
  12.) 
  1767. 
  

  

  Gmel. 
  in 
  Linn. 
  Syst. 
  Nat. 
  p. 
  3695. 
  No. 
  17. 
  1788. 
  

  

  Turt. 
  Linn. 
  Syst. 
  Nat. 
  IV. 
  554. 
  1806. 
  

  

  Broc. 
  Foss. 
  Subapp. 
  II. 
  253. 
  1814. 
  

  

  Crepidula 
  unguiformis 
  Lam. 
  An. 
  sans 
  Vert. 
  VI. 
  Pt. 
  2. 
  p. 
  25. 
  No. 
  4. 
  1 
  8l'8. 
  

  

  Italica 
  Defr. 
  Diet, 
  des 
  Sc. 
  Nat. 
  XL 
  397. 
  1818. 
  

  

  plana 
  Say 
  Journ. 
  Acad. 
  Nat. 
  Sc. 
  Phil. 
  (Old 
  Ser.) 
  

  

  IL 
  226. 
  - 
  - 
  - 
  - 
  July 
  1821. 
  

  

  Italica 
  Diet. 
  Classique 
  d'Hist. 
  Nat. 
  V, 
  54. 
  April 
  1824. 
  

  

  unguiformis 
  Sowb. 
  Gen. 
  pi. 
  — 
  f. 
  6. 
  1824. 
  

  

  calceolina 
  Desh. 
  Encyc. 
  Meth. 
  Vers. 
  IL 
  26. 
  No. 
  6. 
  

  

  (2nd 
  ser. 
  pag.) 
  - 
  - 
  - 
  - 
  1830. 
  

  

  plana 
  Say 
  Amer. 
  Conch, 
  pi. 
  44. 
  1830. 
  

  

  — 
  unguiformis 
  Brod. 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  39. 
  May 
  1834. 
  

  

  