﻿24 
  JUHLIN-DANNFELT, 
  ON 
  THE 
  DIATOMS 
  OF 
  THE 
  BALTIC 
  SEA. 
  

  

  N. 
  Brebissonii 
  KtJTZ. 
  

  

  VH. 
  D. 
  B. 
  Pl. 
  V, 
  fig. 
  7. 
  

  

  Rathan 
  (Cl.). 
  

  

  Subfossil: 
  Upland: 
  diatomaceous 
  deposit 
  in 
  Blidö. 
  

  

  N. 
  mesolepta 
  Ehb. 
  

  

  Grun. 
  Verh. 
  Wien 
  1860, 
  p. 
  520. 
  

  

  According 
  to 
  the 
  exposition 
  of 
  this 
  species 
  given 
  by 
  

   Geunow 
  (loc. 
  cit), 
  I 
  refer 
  to 
  it 
  N. 
  Termes 
  Ehb., 
  N. 
  bica- 
  

   pitata 
  L:dt 
  a. 
  o. 
  which 
  are 
  very 
  slightly 
  distinct 
  from 
  one 
  

   another. 
  

  

  var. 
  nodulosa 
  (K.) 
  Grun. 
  

   Grun. 
  loc. 
  cit. 
  p. 
  120. 
  

  

  Rare: 
  Harbour 
  of 
  Travemlinde 
  (Ostsee 
  Exp, 
  1871, 
  p. 
  177), 
  

   Sölvesborg. 
  

  

  var. 
  constricta 
  Grun. 
  

  

  N. 
  Termes 
  var. 
  stauroneiformis 
  VH. 
  D. 
  B. 
  Pl. 
  VI, 
  fig. 
  12. 
  

  

  Norrtelje, 
  Helsingfors, 
  Blidö 
  in 
  Upland. 
  

  

  N. 
  horealis 
  KtJTZ. 
  

  

  Helsingfors 
  in 
  slightly 
  brackish 
  water. 
  

  

  -A^. 
  appendiculata 
  (Ag.) 
  KtJTZ. 
  

   VH. 
  D. 
  B. 
  Pl. 
  VI, 
  fig:s 
  18—20. 
  

   Gotland: 
  Slite 
  (Cl.). 
  

  

  N. 
  Pinnularia 
  Cl. 
  v. 
  haltica 
  Grun. 
  

   In 
  the 
  Baltic 
  (Aret. 
  Diat. 
  p. 
  27). 
  

   v. 
  subproducta 
  Geun. 
  

   In 
  the 
  Baltic 
  (Aret. 
  Diat. 
  p. 
  27). 
  

  

  JV. 
  suhcapitata 
  Greg. 
  v. 
  stauroneiformis. 
  

   VH. 
  D. 
  B. 
  Pl. 
  VI, 
  f. 
  22. 
  

  

  Gotland: 
  Tjeldervik 
  (Cl.). 
  

  

  N. 
  cruciformis 
  DoNK. 
  

   Travemlinde. 
  

  

  N. 
  hungarica 
  Grun. 
  

  

  Aret. 
  Diat. 
  p. 
  27. 
  

  

  In 
  the 
  almost 
  fresh 
  water 
  of 
  Norrtelje, 
  Haparanda 
  (Cl.). 
  

  

  v. 
  humilis 
  (DoNK.) 
  Grun. 
  

  

  Aret. 
  Diat. 
  p. 
  27. 
  

  

  N. 
  giobiceps 
  L:dt 
  Spb. 
  Pl. 
  II, 
  fig. 
  25. 
  

  

  Norrtelje 
  with 
  the 
  former, 
  Karlshamn, 
  Haparanda. 
  

  

  