﻿50G 
  COLLECTIONS 
  FROM 
  THE 
  WESTERN 
  INDIAN 
  OCEAN. 
  

  

  99, 
  Phyllidia 
  varicosa, 
  Lamarck. 
  

  

  Mozambique, 
  between 
  tide-marks. 
  

  

  For 
  distribution 
  of 
  this 
  species 
  see 
  Bergh 
  in 
  Semper's 
  ' 
  Reisen 
  im 
  

   Arch. 
  Philippineu,' 
  Theil 
  2, 
  Band 
  2, 
  Heft 
  x. 
  p. 
  381. 
  

  

  100. 
  Doris 
  (Platydoris) 
  coriacea, 
  

  

  Doris 
  coriacea, 
  Abraham, 
  Proc. 
  Zool. 
  Soc. 
  1877, 
  p. 
  247, 
  pi. 
  27. 
  

  

  figs. 
  1-4. 
  

   Platydoris 
  coriacea, 
  Bergh, 
  in 
  Semjjer^s 
  'Heisen 
  im 
  Arch. 
  Thilippinen^ 
  

  

  Theil 
  2, 
  Band 
  2, 
  Suppl.-Heft 
  i. 
  p. 
  58. 
  

  

  Mozambique, 
  between 
  tide-marks 
  {Ooppinger) 
  ; 
  South 
  Africa, 
  

   Seychelles, 
  and 
  Sir 
  C. 
  Hardy's 
  Island 
  {Abraham). 
  

  

  101. 
  Doris 
  (Asteronotus) 
  mabilla. 
  

  

  Doris 
  mabilla 
  {Bergh), 
  Abraham, 
  Proc. 
  Zool. 
  Soc. 
  1877, 
  p. 
  249, 
  pi. 
  28. 
  

  

  figs. 
  1-4. 
  

   Asteronotus 
  mabilla, 
  Bergh, 
  in 
  Semper^s 
  ' 
  Rcisen 
  im 
  Arch. 
  Philip- 
  

  

  pinen^ 
  Theil 
  2, 
  Baud 
  2, 
  Suppl.-Heft 
  i. 
  p. 
  71, 
  pi. 
  xx. 
  c. 
  fig. 
  10. 
  

  

  Seychelles 
  and 
  Samoa 
  Islands 
  {Ahraliam) 
  ; 
  Glorioso 
  Islands 
  

   and 
  Mozambique 
  ( 
  Cojypinger). 
  

  

  In 
  the 
  specimens 
  from 
  the 
  two 
  latter 
  localities 
  the 
  pale 
  spots 
  upon 
  

   the 
  back 
  with 
  dark 
  centres 
  are 
  symmetrical!}^ 
  placed 
  upon 
  each 
  side 
  

   of 
  the 
  central 
  line, 
  which 
  is 
  j^ale 
  and 
  dark 
  spotted 
  at 
  intervals. 
  

  

  II. 
  CONCHIFERA. 
  

  

  1. 
  Cytherea 
  (Caryatis) 
  obliquata, 
  Hanley. 
  

  

  Seychelles. 
  

  

  A 
  single 
  right 
  valve 
  from 
  this 
  locality 
  is 
  of 
  a 
  rich 
  brown 
  colour, 
  

   whitish 
  towards 
  the 
  iimbones 
  and 
  ventral 
  margin, 
  radiately 
  streaked 
  

   with 
  white 
  across 
  the 
  brown 
  portion 
  of 
  the 
  surface, 
  having 
  the 
  

   lunule 
  and 
  posterior 
  dorsal 
  surface 
  lineated 
  with 
  dark 
  brown. 
  The 
  

   inner 
  surface 
  is 
  white, 
  faintly 
  tinted 
  with 
  pale 
  rose 
  towards 
  the 
  

   hinder 
  extremity. 
  

  

  2. 
  Circe 
  (Crista) 
  pectinata, 
  Linne. 
  

   Poivre 
  Island. 
  

  

  3. 
  Circe 
  (Crista) 
  gibbia, 
  var. 
  

  

  Seychelles. 
  

  

  This 
  specimen 
  belongs 
  to 
  the 
  variety 
  named 
  C. 
  menJcei, 
  Jonas. 
  

  

  