﻿EULIMA. 
  Panama 
  Shells. 
  423 
  

  

  291. 
  Euliiua 
  recta. 
  Nov. 
  sp. 
  

  

  Shell 
  long, 
  ovate 
  conic 
  : 
  chalcedonic 
  white, 
  with 
  a 
  more 
  

   opaque 
  and 
  another 
  less 
  opaque 
  spiral 
  band 
  at 
  the 
  upper 
  part 
  of 
  

   the 
  whorls 
  ; 
  with 
  two 
  minute 
  delicate 
  brown 
  spots 
  on 
  the 
  la- 
  

   brum, 
  and 
  above 
  with 
  several 
  similar 
  pairs 
  of 
  spots 
  at 
  the 
  stages 
  

   of 
  growth 
  : 
  smooth 
  and 
  shining, 
  with 
  a 
  few 
  very 
  faint 
  trans- 
  

   verse 
  strise 
  marking 
  stages 
  of 
  growth 
  : 
  apex 
  very 
  acute 
  : 
  spire 
  

   with 
  the 
  axis 
  straight, 
  with 
  the 
  outlines 
  nearly 
  rectilinear 
  : 
  

   whorls 
  eleven, 
  subplanulate, 
  with 
  the 
  suture 
  very 
  indistinct; 
  

   last 
  whorl 
  long, 
  with 
  the 
  periphery 
  very 
  regularly 
  rounded 
  : 
  

   aperture 
  narrow 
  and 
  very 
  acute 
  above 
  : 
  labrum 
  sharp, 
  retreating 
  

   anteriorly 
  : 
  columella 
  stout, 
  nearly 
  straight. 
  

  

  Mean 
  divergence 
  about 
  21° 
  ; 
  length 
  .41 
  inch 
  ; 
  breadth 
  .1 
  

   inch 
  ; 
  length 
  of 
  spire 
  .285 
  inch. 
  

  

  Station. 
  — 
  Unknown. 
  

  

  Habitat. 
  — 
  Taboga 
  ; 
  C 
  B. 
  A. 
  ! 
  

  

  5 
  specimens 
  were 
  collected. 
  

  

  292. 
  Eulima 
  isolitaria. 
  Nov. 
  sp. 
  

  

  Shell 
  long, 
  ovate 
  conic 
  : 
  chalcedonic 
  white, 
  with 
  a 
  brownish 
  

   tinge 
  above 
  the 
  middle 
  of 
  the 
  spire 
  : 
  smooth 
  and 
  shining 
  : 
  apex 
  

   acute 
  : 
  spire 
  with 
  the 
  axis 
  nearly 
  straight, 
  with 
  the 
  outlines 
  

   nearly 
  rectilinear: 
  whorls 
  eleven, 
  planulate, 
  with 
  the 
  suture 
  

   very 
  indistinct 
  : 
  last 
  whorl 
  with 
  the 
  periphery 
  very 
  regularly 
  

   rounded: 
  aperture 
  ovate, 
  acute 
  above: 
  labrum 
  sharp, 
  much 
  

   advanced 
  along 
  the 
  middle 
  into 
  an 
  elegantly 
  curved 
  edge 
  : 
  colu- 
  

   mella 
  stout, 
  shghtly 
  curved. 
  This 
  may 
  be 
  a 
  Stylifer. 
  

  

  Mean 
  divergence 
  about 
  23° 
  ; 
  length 
  .19 
  inch 
  ; 
  breadth 
  .055 
  

   inch 
  ; 
  length 
  of 
  spire 
  .14 
  inch. 
  

  

  Station. 
  — 
  On 
  Holothuriae. 
  

  

  The 
  small 
  species 
  of 
  Holothuria, 
  which 
  is 
  very 
  common 
  at 
  

   Panama 
  and 
  at 
  Taboga, 
  did 
  not 
  furnish 
  any 
  specimens. 
  A 
  

   larger 
  species, 
  which 
  is 
  more 
  rare, 
  afforded 
  one 
  shell. 
  

  

  Habitat.— 
  Tahogii 
  ; 
  C. 
  B. 
  A. 
  I 
  

  

  