﻿N0.11S9. 
  DEEP-WATER 
  MOLLVSCA—VERIIILL 
  AND 
  DISH. 
  895 
  

  

  Fi<^. 
  6. 
  The 
  same. 
  Hinge 
  of 
  both 
  valves 
  of 
  the 
  same 
  specimen; 
  X 
  about 
  26. 
  

  

  7. 
  Montacuia 
  bidentata 
  (Montagu) 
  variety 
  tenuis 
  Yerrill 
  and 
  Bush, 
  p. 
  779. 
  

  

  Interior 
  of 
  a 
  right 
  valve 
  from 
  station 
  2277; 
  X 
  about 
  13. 
  

  

  8. 
  Montamia 
  bidentata 
  (Montagu) 
  variety 
  fragilis 
  Yerrill 
  and 
  Bush. 
  p. 
  7S(). 
  Inte- 
  

  

  rior 
  of 
  a 
  right 
  valve 
  No. 
  46134; 
  X 
  17. 
  

  

  9. 
  Montacuta 
  orata 
  Jeffreys, 
  p. 
  781. 
  Interior 
  of 
  a 
  right 
  valve 
  No. 
  46136; 
  x 
  20. 
  

   10. 
  The 
  same. 
  Interior 
  of 
  a 
  left 
  valve 
  No. 
  46137; 
  X 
  20. 
  ■ 
  

  

  Plate 
  XCIII. 
  

  

  Fig. 
  1. 
  Cri/ptodon 
  (Axivuhis) 
  ora^HS 
  Yerrill 
  and 
  Busii, 
  ji. 
  793. 
  Hinge 
  of 
  both 
  valves 
  

   of 
  type 
  specimen 
  from 
  station 
  949; 
  X 
  45. 
  

  

  2. 
  KeUioj)sis 
  elevata 
  (Stimpsou> 
  Yerrill 
  and 
  Bush, 
  p. 
  784. 
  Hinge 
  of 
  a 
  right 
  

  

  valve 
  No. 
  74333 
  fro: 
  u 
  Nanshon 
  ; 
  X 
  30. 
  a, 
  Resilium 
  and 
  ossicle. 
  

  

  3. 
  The 
  same. 
  Hinge 
  of 
  another 
  right 
  valve 
  from 
  the 
  same 
  station, 
  to 
  show 
  

  

  variation; 
  x 
  30. 
  

  

  4. 
  The 
  same. 
  Hinge 
  of 
  both 
  valves 
  of 
  another 
  specimen 
  from 
  the 
  same 
  station; 
  

  

  X 
  30. 
  

  

  5. 
  Montacuta 
  cuneaia 
  Yerrill 
  and 
  Bush, 
  p. 
  782. 
  Hinge 
  of 
  both 
  valves 
  from 
  

  

  station 
  2278 
  ; 
  X 
  30. 
  

  

  6. 
  Montacuta 
  tuniidula 
  Jeffreys, 
  p. 
  781. 
  Hinge 
  of 
  a 
  left 
  valve 
  No. 
  3.^412; 
  x 
  30. 
  

  

  a, 
  Resilium 
  and 
  ossicle. 
  

  

  7. 
  Montacuta 
  bidentata 
  (Montagu), 
  p. 
  779. 
  Hinge 
  of 
  a 
  riglit 
  valve 
  No. 
  74328 
  

  

  from 
  Naushon 
  ; 
  x 
  30. 
  

  

  8. 
  The 
  same. 
  Hinge 
  of 
  both 
  valves 
  of 
  a 
  smaller 
  specimen 
  from 
  the 
  same 
  sta- 
  

  

  tion 
  ; 
  X 
  30. 
  

  

  9. 
  Montacuta 
  siriatula 
  Yerrill 
  and 
  Bush, 
  p. 
  780. 
  Hinge 
  of 
  a 
  left 
  valve 
  from 
  

  

  station 
  2276; 
  X 
  30. 
  Hinge 
  of 
  a 
  right 
  valve 
  from 
  station 
  2273; 
  X 
  30. 
  

   10. 
  EeJHella 
  nitida 
  Yerrill, 
  p. 
  778. 
  Hinge 
  of 
  both 
  valves 
  of 
  specimen 
  No. 
  37971; 
  

   X 
  12. 
  Right 
  valve 
  turned 
  down, 
  left 
  turned 
  up 
  

  

  Plate 
  XCIY. 
  

  

  Fig. 
  1. 
  Montacuta 
  tuniidula 
  Jeffreys, 
  p. 
  781. 
  Interior 
  of 
  a 
  left 
  valve 
  No. 
  35412 
  

   from 
  station 
  2103; 
  X 
  20. 
  a, 
  Resilium 
  and 
  ossicle. 
  

  

  2. 
  The 
  same. 
  Interior 
  of 
  a 
  right 
  valve 
  from 
  the 
  same 
  station; 
  X 
  20. 
  

  

  3. 
  KeUia 
  suborbicularis 
  (Montagu), 
  p. 
  779. 
  Interior 
  of 
  left 
  valve 
  of 
  a 
  sijecimeu 
  

  

  from 
  off 
  Salem, 
  ^lassachusetts, 
  1877; 
  X 
  10. 
  

  

  4. 
  The 
  same. 
  Interior 
  of 
  right 
  valve 
  of 
  the 
  same 
  specimen. 
  

  

  5. 
  Montacuta 
  casta 
  Yerrill 
  and 
  Bush, 
  p. 
  781. 
  Exterior 
  of 
  a 
  left 
  valve 
  from 
  sta- 
  

  

  tion 
  2283 
  ; 
  X 
  20. 
  

  

  6. 
  Montacuta 
  bidentata 
  (Montagu), 
  p. 
  779. 
  Interior 
  of 
  a 
  right 
  valve 
  No. 
  74328; 
  

  

  X 
  about 
  13. 
  

  

  7. 
  KelUojysis 
  elevata 
  (Stimpson) 
  Yerrill 
  and 
  Bush, 
  p. 
  784. 
  Interior 
  of 
  a 
  right 
  

  

  valve 
  No. 
  74333 
  from 
  Naushon; 
  x 
  about 
  13. 
  (/, 
  Resilium 
  and 
  ossicle. 
  

  

  8. 
  The 
  same. 
  Exterior 
  of 
  a 
  left 
  valve 
  from 
  the 
  same 
  station 
  ; 
  x 
  about 
  13. 
  

  

  Plate 
  XCY. 
  

  

  Fig. 
  1. 
  Lyonsia 
  ^ranuliferaXevriW 
  and 
  Bush, 
  p. 
  818. 
  Exterior 
  of 
  a 
  left 
  valve 
  (type 
  

   specimen) 
  No. 
  52561 
  ; 
  X 
  about 
  2^. 
  

  

  2. 
  Verticordia 
  granulifera 
  (Yerrill) 
  Dall, 
  ]>. 
  816. 
  Hinge 
  of 
  a 
  left 
  valve 
  (tyiie 
  

  

  specimen) 
  No. 
  44838; 
  X 
  8. 
  

  

  3. 
  The 
  same. 
  Hinge 
  of 
  both 
  valves 
  of 
  a 
  fully 
  grown 
  specimen 
  No. 
  78670; 
  X 
  4. 
  

  

  Turned 
  up 
  to 
  show 
  ossicle, 
  a. 
  

  

  4. 
  The 
  same. 
  Hinge 
  of 
  a 
  right 
  valve 
  of 
  another 
  specimen 
  No. 
  78929; 
  X 
  6^. 
  

  

  