﻿360 
  Panama 
  Shells. 
  MURiciDiE. 
  

  

  Cancellaria 
  pulchra 
  Miill. 
  Synop. 
  Nov. 
  Test. 
  Viv. 
  p. 
  72. 
  1836. 
  

  

  Sowb. 
  Conch. 
  111. 
  No. 
  39. 
  pi. 
  13. 
  f. 
  37. 
  1841. 
  

  

  Sowb. 
  Thes. 
  Concb. 
  p. 
  461. 
  No. 
  42. 
  

  

  pi. 
  94. 
  f. 
  41. 
  - 
  - 
  - 
  - 
  1848. 
  

  

  Station. 
  — 
  Sandy 
  bottom 
  in 
  8 
  to 
  10 
  fathoms 
  water 
  ; 
  Cuming 
  ! 
  

   Sowerby. 
  

  

  Habitat. 
  — 
  St. 
  Elena 
  ; 
  Cuming 
  ! 
  Sowerby 
  : 
  also 
  Miiller. 
  

  

  Taboga; 
  C. 
  B 
  .A. 
  ! 
  

   Two 
  specimens 
  were 
  obtained. 
  

  

  160. 
  Cancellaria 
  pyg^iuaea. 
  Nov. 
  sp. 
  

  

  Shell 
  subovate, 
  short 
  ; 
  pale 
  wax 
  color, 
  with 
  minute 
  dark 
  

   brown 
  dots 
  on 
  the 
  ribs, 
  and 
  dark 
  brown 
  irregular 
  rays 
  on 
  the 
  

   upper 
  part 
  of 
  the 
  last 
  whorl 
  ; 
  with 
  slender 
  prominent 
  ribs, 
  

   which 
  are 
  only 
  nine 
  in 
  number 
  on 
  the 
  last 
  whorl, 
  but 
  are 
  

   crowded 
  and 
  numerous 
  on 
  the 
  spire, 
  and 
  which 
  are 
  much 
  

   developed 
  at 
  the 
  angle 
  of 
  the 
  whorls 
  ; 
  with 
  several 
  fine 
  raised 
  

   spiral 
  lines, 
  which 
  are 
  stouter 
  on 
  the 
  summits 
  of 
  the 
  ribs, 
  and 
  

   crowded 
  intermediate 
  microscopic 
  striae 
  : 
  apex 
  subacute 
  : 
  spire 
  

   with 
  the 
  outlines 
  rectilinear: 
  whorls 
  five, 
  acutely 
  shouldered, 
  

   with 
  a 
  broad 
  concave 
  area 
  above, 
  moderately 
  convex 
  below 
  

   the 
  angle, 
  with 
  a 
  well 
  impressed 
  suture 
  : 
  aperture 
  triangular, 
  

   effuse 
  below 
  : 
  labrum 
  thickened 
  by 
  the 
  last 
  rib 
  ; 
  labium 
  thin, 
  

   elevated 
  : 
  columella 
  with 
  two 
  lamelliform 
  slightly 
  oblique 
  plaits 
  ; 
  

   umbilicus 
  narrow, 
  deep, 
  bounded 
  by 
  an 
  acute 
  angle 
  in 
  the 
  last 
  

   whorl. 
  

  

  Mean 
  divergence, 
  about 
  100° 
  ; 
  length 
  .83 
  inch 
  ; 
  breadth 
  

   .25 
  inch 
  ; 
  length 
  of 
  spire 
  .15 
  inch. 
  

  

  This 
  species 
  is 
  allied 
  to 
  C. 
  contabulata 
  Sowb., 
  and 
  C. 
  hicohr 
  

   Hinds. 
  

  

  Station. 
  — 
  Unknown. 
  

  

  Habitat— 
  Tahoga 
  ; 
  C. 
  B. 
  A. 
  ! 
  

   One 
  specimen 
  was 
  found. 
  

  

  