﻿126 
  Dr. 
  J. 
  C. 
  Melvill 
  and 
  Mr. 
  R. 
  Standen 
  on 
  

  

  Sii^lionaria 
  trtstensis, 
  Leach. 
  

  

  Siphonaria 
  lessoni, 
  Blainville, 
  d'Orbigny, 
  Voy. 
  M^r. 
  p. 
  469, 
  tab. 
  Ivi. 
  

  

  fig8. 
  12, 
  13, 
  14. 
  

   Siplionaria 
  tristensis, 
  Reeve, 
  Conch. 
  Icon. 
  v. 
  sp. 
  23. 
  

   Siphonaria 
  Iceviu.'icula, 
  lleeve, 
  /. 
  c. 
  sp. 
  5. 
  

  

  Koy 
  Cove, 
  on 
  rocks 
  at 
  half-tide. 
  

  

  Tlie 
  form 
  or 
  var. 
  /ceviuscula, 
  Reeve, 
  occurs 
  at 
  Dip 
  Creek, 
  

   Roy 
  Cove, 
  Shallow 
  Bay, 
  on 
  rocks 
  ; 
  Rapid 
  Point, 
  at 
  low 
  tide 
  ; 
  

   and 
  is, 
  no 
  doubt, 
  generally 
  distributed 
  throughout 
  the 
  area. 
  

  

  Fam. 
  Limnaeidae. 
  

  

  Limncea 
  diaphana, 
  King. 
  

  

  Ltmnaa 
  diaphana, 
  King, 
  Zool. 
  Journ. 
  v. 
  p. 
  339 
  (1832) 
  ; 
  lleeve, 
  Conch. 
  

   Icon, 
  xviii. 
  spec. 
  30 
  ; 
  H. 
  Strebel, 
  I. 
  c, 
  Zool. 
  Jahrb. 
  Band 
  xxv. 
  p. 
  163, 
  

   Taf. 
  viii. 
  fig. 
  100 
  a-c 
  (1907). 
  

  

  Port 
  North 
  Lake. 
  

  

  Limncea 
  patagonica, 
  Streb. 
  

   Limncea 
  patagonica, 
  H. 
  Strebel, 
  I. 
  c. 
  p. 
  164, 
  Taf. 
  viii. 
  fig. 
  103 
  a, 
  h 
  (1907). 
  

  

  Freshwater 
  Pond, 
  Port 
  North 
  ; 
  Lake 
  near 
  Teal 
  River 
  

   Settlement; 
  Herbert 
  Station, 
  Roy 
  Cove. 
  

  

  Very 
  fine 
  and 
  perfect 
  examples, 
  of 
  a 
  bright 
  transparent 
  

   horn-colour, 
  not 
  corroded 
  apical 
  ly 
  as 
  is 
  so 
  often 
  the 
  case. 
  

  

  Chilina 
  flaviatilis, 
  Gray. 
  

  

  Chilinafluviatilis, 
  Gray, 
  Reeve, 
  Conch. 
  Syst. 
  pi. 
  clxxxix. 
  fig. 
  5, 
  and 
  

   Conch. 
  Icon. 
  xix. 
  pi. 
  i. 
  fig. 
  1. 
  

  

  Port 
  North 
  Lake. 
  

  

  Chilina 
  subcylindrica, 
  Sowb. 
  

  

  Chilina 
  subcylindrica, 
  G. 
  B. 
  Sowerby, 
  in 
  Reeve, 
  Conch. 
  Icon. 
  xix. 
  

   pi. 
  iii. 
  fig. 
  16 
  (1874). 
  

  

  Herbert 
  Stream 
  ; 
  Crooked 
  Lilet. 
  

  

  The 
  original 
  specimens 
  came 
  from 
  Chili. 
  Our 
  species 
  seems 
  

   to 
  harmonize 
  with 
  it, 
  but 
  may 
  possibly 
  be 
  a 
  very 
  nearly 
  

   allied 
  new 
  form. 
  

  

  