﻿340 
  Panama 
  Shells. 
  muricid^. 
  

  

  127. 
  Triton 
  constrictus. 
  

  

  Synonymy. 
  

  

  Triton 
  constrictus 
  Brod. 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  5. 
  Jan. 
  1833. 
  

  

  ? 
  decussatum 
  Valenc. 
  Humb. 
  Rec. 
  Obs. 
  11. 
  306. 
  1833. 
  

  

  constrictus 
  Mull. 
  Synop. 
  Nov. 
  Test. 
  Viv. 
  p. 
  J 
  01. 
  1836. 
  

  

  Reeve 
  Conch. 
  Icon. 
  pi. 
  12. 
  f. 
  41. 
  May 
  1844. 
  

  

  Station. 
  — 
  In 
  sandy 
  mud, 
  in 
  from 
  7 
  to 
  10 
  fathoms; 
  Cuming! 
  

   Broderip 
  : 
  also 
  Eeeve. 
  

  

  Habitat. 
  — 
  Monte 
  Christi, 
  and 
  Xipixapi; 
  Cuming! 
  Broderip: 
  

   also 
  Eeeve 
  : 
  also 
  Miiller. 
  

   Acapulco; 
  Humboldt 
  and 
  Bonpland! 
  Valenciennes. 
  

  

  ( 
  Triton 
  decussa 
  turn. 
  ) 
  

   Panama 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   We 
  were 
  indebted 
  to 
  the 
  hermit 
  crabs 
  for 
  4 
  specimens. 
  

  

  128. 
  Triton 
  AiiSioides. 
  Nov. 
  sp. 
  

  

  Shell 
  ovate-fusiform, 
  slender: 
  whitish, 
  stained 
  with 
  brown, 
  

   with 
  a 
  white 
  spiral 
  stripe 
  near 
  the 
  middle 
  of 
  the 
  whorls 
  : 
  with 
  

   prominent 
  narrow 
  not 
  approximate 
  ribs, 
  about 
  nine 
  on 
  each 
  

   whorl, 
  crossed 
  by 
  numerous 
  raised 
  fine 
  spiral 
  lines, 
  of 
  which 
  

   the 
  alternate 
  ones 
  are 
  mostly 
  larger 
  : 
  apex 
  acute 
  : 
  spire 
  conic 
  : 
  

   whorls 
  eight, 
  convex, 
  with 
  a 
  well 
  impressed 
  suture: 
  aperture 
  

   long 
  subovate 
  : 
  canal 
  short. 
  

  

  Mean 
  divergence 
  about 
  85° 
  ; 
  length 
  .76 
  inch 
  ; 
  breadth 
  .28 
  

   inch. 
  

  

  Station. 
  — 
  Unknown. 
  

  

  Hahitat.—Tahoga, 
  ; 
  C. 
  B. 
  A. 
  

   We 
  obtained 
  only 
  1 
  specimen. 
  

  

  129. 
  Triton 
  g^ibbosus. 
  

  

  Synonymy. 
  

   Triton 
  gibbosus 
  Brod. 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  7. 
  Jan. 
  1833. 
  

  

  