﻿Mollusca 
  from 
  the 
  North-wsst 
  Falkhinds. 
  115 
  

  

  Var. 
  mexicana, 
  Sowb. 
  

  

  Fissurella 
  mexicana, 
  Sowb. 
  CoQcli. 
  lUustr. 
  fig. 
  61 
  ; 
  Thes. 
  Conch, 
  p. 
  180, 
  

   figs. 
  26-28. 
  

  

  Roy 
  Cove, 
  not 
  adult 
  ; 
  King 
  George's 
  Bay. 
  

  

  Examples 
  in 
  good 
  condition 
  were 
  collected 
  miles 
  inland, 
  

   in 
  camp, 
  evidently 
  dropped 
  by 
  sea-birds 
  after 
  they 
  had 
  

   devoured 
  the 
  inhabitant. 
  We 
  follow 
  Dr. 
  Hermann 
  Strebel 
  

   in 
  considering 
  mexicana 
  a 
  form 
  of 
  oriens. 
  The 
  typical 
  form 
  

   does 
  not 
  appear. 
  

  

  Fissurella 
  picta 
  (Gmel.). 
  

  

  Patella 
  pictn, 
  Gmelin, 
  p. 
  .3729. 
  sp. 
  198. 
  

  

  Fisstirella 
  picta, 
  Sowerbj', 
  Ooncli. 
  lUustr. 
  figs. 
  4, 
  26. 
  

  

  On 
  the 
  beach, 
  Roy 
  Cove, 
  at 
  low 
  water. 
  Shallow 
  Bay. 
  

  

  Fissurella 
  polygona, 
  Sowb. 
  

  

  Fissurella 
  polygona, 
  Sowerby, 
  Thes. 
  Coach, 
  vol. 
  iii. 
  p. 
  186, 
  fig. 
  137 
  ; 
  

   Pilsbry, 
  Man. 
  Couch, 
  xiii. 
  p. 
  148, 
  tab. 
  Ix. 
  fig. 
  84 
  ; 
  H. 
  Strebel, 
  

   Mollusk. 
  der 
  Magalhaen-Provinz, 
  p. 
  85, 
  Taf. 
  i. 
  figs. 
  4, 
  5, 
  6 
  (1907). 
  

  

  Roy 
  Cove, 
  low 
  water 
  to 
  2-4 
  fathoms; 
  also 
  Rapid 
  Point 
  

   (March 
  31st, 
  1911). 
  

  

  Dr. 
  H. 
  Strebel 
  deems 
  this 
  either 
  synonymous 
  with 
  or 
  a 
  

   variety 
  of 
  the 
  next 
  {E\ 
  radiosa, 
  Less.). 
  

  

  Fissurella 
  radiosa, 
  Lesson. 
  

  

  Patella 
  radiosa, 
  Lesson, 
  Voy. 
  de 
  la 
  ' 
  Coc[uille,' 
  vol. 
  ii. 
  p. 
  411 
  (1826); 
  

   Pilsbrv, 
  in 
  Try 
  on, 
  Man. 
  Conch, 
  xiii. 
  p. 
  157 
  ; 
  MelviU 
  & 
  Standen, 
  

   Joural 
  of 
  Couch, 
  ix. 
  p. 
  102 
  (1898). 
  

  

  Lively 
  Island, 
  East 
  Falklands. 
  

  

  This 
  was 
  also 
  obtained 
  some 
  years 
  ago 
  ,£rom 
  the 
  same 
  

   locality 
  by 
  Miss 
  Cobb 
  in 
  finer 
  condition 
  and 
  variety 
  ; 
  and 
  

   likewise 
  by 
  Mr. 
  R. 
  Vallentin 
  from 
  Port 
  Stanley. 
  

  

  Functurella 
  noachina 
  (L.), 
  Lowe. 
  

  

  Patella 
  noachina, 
  Linn. 
  Mant. 
  Plant, 
  p. 
  551. 
  

  

  Pancturella 
  noachina, 
  Lowe, 
  Zool. 
  Journ. 
  iii. 
  p. 
  78 
  (1827) 
  ; 
  Forbes 
  & 
  

  

  Hanley, 
  ii. 
  p. 
  474, 
  pi. 
  Ixii. 
  figs. 
  10-12 
  ; 
  Pilsbry, 
  in 
  Tryon, 
  Man. 
  

  

  Conch, 
  xii. 
  p. 
  229. 
  

  

  Var. 
  falklandiana, 
  A. 
  Adams. 
  

  

  Puncturella 
  falklandiana, 
  Ad., 
  Tryon, 
  I. 
  c. 
  p. 
  2-31, 
  tab. 
  Ixiii. 
  fig. 
  33. 
  

   Pancturella 
  )ioachina, 
  v&x. 
  falklandiana, 
  H. 
  Strebel, 
  Mollusk. 
  der 
  Magal- 
  

   haen-Provinz, 
  p. 
  104 
  (1907). 
  

  

  Roy 
  C*ove, 
  on 
  rocks 
  at 
  low 
  water. 
  

  

  8* 
  

  

  