﻿NO. 
  1139. 
  DEEP-WATER 
  MOLLUSCA— 
  VEIiBILL 
  ASD 
  BUSH. 
  887 
  

  

  to 
  extend 
  forward 
  in 
  a 
  point 
  between 
  the 
  two 
  sides 
  of 
  the 
  cartilage. 
  

   There 
  are 
  no 
  transverse 
  cost.p 
  or 
  buttresses 
  for 
  strengthening 
  the 
  hiuge- 
  

   margiu. 
  

  

  Entire 
  length, 
  including 
  epidermal 
  lobes, 
  54 
  mm. 
  ; 
  entire 
  height, 
  oppo- 
  

   site 
  the 
  beaks, 
  22 
  mm.; 
  height 
  of 
  the 
  anterior 
  third, 
  26 
  mm.; 
  breadth, 
  

   in 
  the 
  middle, 
  12 
  mm. 
  ; 
  length 
  of 
  longest 
  digitations, 
  about 
  10 
  or 
  12 
  mm. 
  ; 
  

   length 
  of 
  the 
  shell 
  itself, 
  42 
  mm. 
  ; 
  height 
  at 
  the 
  middle, 
  15 
  mm.; 
  length 
  

   from 
  beak 
  to 
  anterior 
  end, 
  30 
  mm.; 
  to 
  posterior 
  end, 
  14 
  mm. 
  Frag- 
  

   ments 
  of 
  specimens 
  more 
  than 
  twice 
  as 
  large 
  as 
  the 
  one 
  measured 
  have 
  

   been 
  taken. 
  In 
  one 
  of 
  these 
  the 
  height 
  of 
  the 
  shell 
  without 
  the 
  epider- 
  

   mis 
  is 
  25 
  mm. 
  

  

  Two 
  good 
  specimens 
  and 
  some 
  fragments, 
  at 
  four 
  stations, 
  between 
  

   N. 
  lat. 
  390 
  58' 
  30", 
  W. 
  long. 
  70° 
  30', 
  and 
  X. 
  lat. 
  37° 
  l'4', 
  W. 
  long. 
  74^ 
  17', 
  

   in 
  300 
  to 
  1,000 
  fathoms, 
  1880-1884. 
  

  

  