﻿TBOCHUS. 
  Panama 
  Shells. 
  417 
  

  

  Station. 
  — 
  Unknown. 
  

  

  Habitat. 
  — 
  Unknown 
  ; 
  PhOippi. 
  

  

  Acapnlco 
  ; 
  E. 
  Jewett 
  ! 
  Gould 
  MSS. 
  

  

  Taboga; 
  C. 
  B. 
  A.! 
  

   We 
  found 
  3 
  specimens. 
  

  

  278. 
  Trochus 
  Panamensis. 
  

  

  Synonymy. 
  

  

  Trockus 
  Panamensis 
  Phil, 
  in 
  Zeitschr. 
  f. 
  Malak. 
  p. 
  127. 
  Aug. 
  1848. 
  

   Phil, 
  in 
  Kiist. 
  Conch. 
  Cab. 
  pi. 
  44. 
  f. 
  16. 
  1850. 
  

  

  Fresh 
  specimens 
  are 
  very 
  dark 
  colored 
  ; 
  but 
  by 
  exposure 
  tlie 
  

   shell 
  fades 
  to 
  a 
  red 
  color, 
  as 
  in 
  Kiister's 
  figure. 
  

  

  Station. 
  — 
  Under 
  stones 
  at 
  low 
  water 
  mark. 
  

  

  TTahifat 
  — 
  Panama; 
  E. 
  B. 
  Philippi 
  ! 
  Philippi. 
  

  

  Panama 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   65 
  specimens 
  were 
  collected 
  on 
  the 
  reef. 
  

  

  279. 
  Trochtis 
  pellis-serpeiitis. 
  

  

  Synonymy. 
  

  

  Trochus 
  pellis-serpeniis 
  Wood 
  Ind. 
  Test. 
  Supp. 
  pi. 
  5, 
  f. 
  4. 
  1828. 
  

  

  Turho 
  Valenc. 
  in 
  Humb. 
  Rec. 
  Obs. 
  II. 
  273. 
  1833. 
  

  

  Trochus 
  strigilatus 
  Phil. 
  Abbild. 
  I. 
  pi. 
  2. 
  f. 
  9. 
  Nov. 
  1843. 
  

  

  pellis-serpentis 
  Phil. 
  Abbild. 
  I. 
  Index. 
  

  

  Kust. 
  Conch. 
  Cab. 
  p. 
  105, 
  pi. 
  17. 
  f. 
  4. 
  1849 
  ? 
  

  

  Station. 
  — 
  On 
  or 
  under 
  rocks 
  and 
  large 
  stones 
  near 
  half 
  tide 
  

   level. 
  When 
  the 
  tide 
  retires, 
  these 
  animals 
  crawl 
  around 
  over 
  

   the 
  surfaces 
  of 
  stones 
  and 
  rocks, 
  beneath 
  which 
  they 
  retire 
  

   after 
  the 
  surfaces 
  become 
  dry. 
  They 
  are 
  therefore 
  collected 
  

   most 
  easily 
  when 
  following 
  the 
  tide 
  out. 
  We 
  saw 
  them 
  in 
  the 
  

   greatest 
  numbers 
  and 
  most 
  active 
  at 
  twilight. 
  

  

  Habitat. 
  — 
  Panama 
  ; 
  Wood 
  : 
  also 
  Jay. 
  

  

  