﻿40 
  JUHLIN-DANNFELT, 
  ON 
  THE 
  DIATOMS 
  OF 
  THE 
  BALTIC 
  SEA. 
  

  

  Harboiu- 
  of 
  Pillau 
  (Schum. 
  1867), 
  Södermanland: 
  Häringc, 
  

   Södertälje 
  (Cl.), 
  Vaxholm 
  (Cl.). 
  

  

  S. 
  ovata 
  K. 
  

  

  ScHM. 
  Atl. 
  Pl. 
  23, 
  fig:s 
  55, 
  56. 
  

  

  Utterly 
  common 
  in 
  tlic 
  Baltic, 
  save 
  in 
  the 
  southern 
  part, 
  

   wliere 
  it 
  is 
  more 
  scarce. 
  Passas 
  into 
  the 
  following. 
  

  

  »S. 
  ovalis 
  K. 
  

  

  ScHM. 
  Atl. 
  Pl. 
  24, 
  fig:s 
  1—4. 
  

  

  As 
  the 
  former, 
  bnt 
  less 
  frequent. 
  Harbour 
  of 
  Trave- 
  

   miinde 
  (Ostsee 
  Exp. 
  1871), 
  Gotland, 
  Vaxholm 
  (Cl.), 
  Ånger- 
  

   manland: 
  Näske 
  (Cl.), 
  Rathan 
  (Cl.), 
  Haparanda 
  (Cl.). 
  

  

  S. 
  salina 
  Sm. 
  

  

  In 
  the 
  Baltic 
  (ScHUM. 
  1867). 
  

  

  S. 
  Crumena 
  Bréb. 
  

  

  ScHM. 
  Atl. 
  Pl. 
  24, 
  fig:s 
  7, 
  8. 
  

  

  In 
  the 
  Baltic 
  (Schum. 
  1867), 
  Vaxholm 
  (Cl.). 
  

  

  iV. 
  ang 
  lista 
  KiJTZ. 
  

  

  VH. 
  D. 
  B. 
  Pl. 
  LXXIII, 
  f. 
  13. 
  

  

  Helsingfors. 
  

  

  S. 
  Gemma 
  Ehb. 
  

   Södermanland: 
  Häringe. 
  

  

  Baltic 
  species 
  are 
  also, 
  — 
  according 
  to 
  Schum. 
  1867 
  ■ 
  — 
  : 
  

  

  -S. 
  Brightwelli 
  Sm. 
  = 
  S. 
  Crumena 
  Bréb. 
  

  

  aS. 
  didyma 
  K. 
  

  

  S. 
  haltica 
  ScHUM. 
  Both 
  the 
  last 
  are 
  quite 
  unknown 
  to 
  me. 
  

  

  Cymatopleura 
  S31. 
  

   C. 
  Solea 
  Sm. 
  

   Sm. 
  Syn. 
  Pl. 
  X, 
  fig. 
  78. 
  

  

  Not 
  rare 
  on 
  the 
  coast 
  of 
  Upland, 
  Södertelje 
  (Cl.), 
  very 
  

   rare 
  in 
  the 
  Kalmar 
  Sound. 
  Not 
  found 
  more 
  to 
  the 
  south. 
  

  

  C. 
  elliptica 
  Bréb. 
  

  

  Sm. 
  Syn. 
  Pl. 
  X, 
  fig. 
  80. 
  

  

  Only 
  in 
  almost 
  fresh 
  water: 
  Harbour 
  of 
  Travemiinde 
  

   (Ostsee 
  Exp. 
  1871), 
  Vaxholm 
  (Cl.), 
  the 
  Värtan 
  near 
  Stock- 
  

   holm, 
  Norrtelje. 
  

  

  ScHUMANN 
  mentions 
  also 
  as 
  occurring 
  in 
  the 
  Baltic: 
  

  

  C. 
  elliptica 
  v. 
  liihernica 
  Sm. 
  

  

  C. 
  elliptica 
  v 
  fracta 
  Schum. 
  

  

  