﻿118 
  Dr. 
  J. 
  C. 
  Melvill 
  and 
  Mr. 
  R. 
  Standen 
  on 
  

  

  Fcim. 
  LittorinidaB. 
  

  

  Lcevilittorina 
  bennetti, 
  Prest. 
  

  

  LfBvilittorina 
  bennetti, 
  H. 
  B. 
  Preston, 
  Ann. 
  & 
  Mag-. 
  Nat. 
  Hist. 
  ser. 
  S, 
  

   vol. 
  ix. 
  p. 
  636, 
  fig. 
  (19] 
  2). 
  

  

  Eoy 
  Cove, 
  W. 
  Falklands 
  ; 
  at 
  half-tide 
  (March 
  14, 
  1910). 
  

   We 
  are 
  indebted 
  to 
  the 
  author 
  of 
  the 
  sj:)ecies 
  for 
  confirming 
  

   the 
  name. 
  It 
  is 
  a 
  very 
  minute 
  shell. 
  

  

  Lcevilittorina 
  caliginosa 
  (Gould). 
  

  

  Littorina 
  caliginosa, 
  Gould, 
  Proc. 
  Boston 
  Soc. 
  iii. 
  p. 
  83 
  (18-;19). 
  

  

  Hydrobia 
  caliginosa 
  (Gould), 
  E. 
  A. 
  Smith, 
  Phil. 
  Trans. 
  Roval 
  Soc. 
  

   Lond. 
  olxviii. 
  p. 
  173, 
  pi. 
  ix. 
  fig. 
  8 
  (1879). 
  

  

  Lavilittorina 
  caliginosa 
  (Gould), 
  Pfefier, 
  IMollusken 
  von 
  Slid 
  Georgien, 
  

   p. 
  81, 
  Taf. 
  i. 
  fig. 
  8 
  a-d 
  (1886) 
  ; 
  H. 
  Strebel, 
  Mollusk. 
  der 
  Magalhaen- 
  

   Provinz, 
  Zool. 
  Jahrb. 
  Baud 
  xxv. 
  Jena, 
  1907, 
  p. 
  156. 
  

  

  Crooked 
  Inlet 
  ; 
  under 
  stones 
  at 
  low 
  water. 
  

  

  Lcevilittorina 
  latior, 
  Prest. 
  

  

  Lcevilittorina 
  latior, 
  H. 
  B. 
  Preston, 
  Ann. 
  & 
  Mag. 
  Nat. 
  Hist. 
  ser. 
  8, 
  

   vol. 
  ix. 
  p. 
  636, 
  fig. 
  (1912). 
  

  

  Under 
  stones, 
  easily 
  overlooked. 
  Another 
  very 
  micro- 
  

   scopic 
  species. 
  

  

  Fam. 
  "CerithiidsB. 
  

  

  Cerithium 
  pullum, 
  Phil. 
  

  

  Cerithiian 
  2)ullum, 
  Philippi, 
  Archiv 
  fiir 
  Naturg. 
  p. 
  66 
  (1845). 
  

   Cerithium 
  ccBlatum, 
  Couthouv, 
  Gould, 
  in 
  Wilkes' 
  Expl. 
  Exped. 
  p. 
  148, 
  

  

  fig. 
  174 
  «-o?; 
  Gould, 
  Boston 
  Proc. 
  iii. 
  p. 
  123 
  (1849). 
  

   Bittiinn 
  ccplatiim, 
  Couthouv, 
  Mission 
  du 
  Cap 
  Horn, 
  p. 
  40. 
  

   Ceritliium 
  pvlhim 
  (Phil.), 
  H. 
  Slrehel, 
  Mollusk. 
  der 
  Magalhaen-Provinz, 
  

  

  Zool. 
  Jahrb. 
  Band 
  xxii. 
  p. 
  652, 
  Taf. 
  xxiii. 
  fig. 
  40 
  a-d 
  (1905). 
  

  

  Rapid 
  Point, 
  at 
  low 
  water; 
  also 
  Carcass 
  Island. 
  

   ISeveral 
  examples. 
  Evidently 
  a 
  common 
  species, 
  widely 
  

   distributed. 
  

  

  Cerithiopsis 
  malvinarum^ 
  M. 
  & 
  St. 
  

  

  Cerithiopsis 
  malvinarum, 
  Melvill 
  & 
  Standen, 
  Moll. 
  Scott. 
  Nat. 
  Ant- 
  

   arctic 
  Exp., 
  Trans. 
  Royal 
  Soc. 
  Edinb. 
  xlvi. 
  p. 
  135, 
  figs. 
  6, 
  6« 
  (1907) 
  ; 
  

   H. 
  Strebel, 
  Wissenschaft. 
  Ergebnisse 
  der 
  Schwedisch. 
  Siidpolar^ 
  

   Exped., 
  Die 
  Gastropoden, 
  p. 
  49, 
  Taf. 
  i. 
  fig. 
  10 
  a-c 
  (1908). 
  

  

  Roy 
  Cove 
  ; 
  low 
  water, 
  on 
  mud. 
  

  

  One 
  small 
  but 
  quite 
  characteristic 
  example. 
  

  

  