﻿BIHANG 
  TILL 
  K. 
  SV. 
  VET.-AKAD. 
  HANDL. 
  BANL). 
  6. 
  N:0 
  21. 
  39 
  

  

  JV. 
  gracilis 
  Bréb. 
  

  

  Harbour 
  of 
  Pillau 
  (ScHUM. 
  1867). 
  

  

  N. 
  acicularis 
  v. 
  Closterioides 
  Geun. 
  

   Aret. 
  Diat. 
  pag. 
  101. 
  VH. 
  D. 
  B. 
  Pl. 
  LXX, 
  f. 
  9. 
  

   The 
  beaks 
  about 
  as 
  long 
  as 
  tbe 
  middle 
  part 
  of 
  the 
  valve, 
  

   bent 
  in 
  the 
  same 
  or 
  opposite 
  direction. 
  . 
  

   Helsingfors. 
  

  

  Hantschia 
  Gkuk. 
  

  

  II. 
  amphioxys 
  (E.) 
  Grun. 
  

   Gotland: 
  Tjeldervik 
  (Cl.). 
  

  

  II. 
  virgata 
  Rop. 
  

   Upland: 
  Blidö. 
  

  

  Homoeocladia 
  Ag. 
  

  

  H. 
  filiformis 
  Sm. 
  

  

  Harbour 
  of 
  Pillau 
  (Schum. 
  1867). 
  

  

  H. 
  biceps 
  Schum. 
  

  

  Harbour 
  of 
  Pillau 
  (Schum. 
  1867). 
  

  

  U. 
  haltica 
  nov. 
  sp. 
  

   Plate 
  Hl, 
  f. 
  22. 
  

  

  Frustules 
  two 
  and 
  two 
  beside 
  in 
  tlie 
  tube. 
  V. 
  lin. 
  witli 
  

   rounded 
  ends. 
  Lengtli 
  0,011 
  — 
  0,0U 
  mm., 
  breadtli 
  0,001 
  mm. 
  

   puncta 
  of 
  the 
  keel 
  20 
  in 
  0,01 
  mm. 
  

  

  Agrees 
  not 
  with 
  any 
  one 
  of 
  Smiths 
  species; 
  as 
  I 
  Lave 
  

   not 
  scen 
  any 
  disposition 
  of 
  the 
  genus, 
  I 
  do 
  not 
  know 
  if 
  the 
  

   species, 
  found 
  by 
  me, 
  is 
  already 
  described. 
  

  

  Pare. 
  Vestervik. 
  

  

  Fam. 
  Surirellese. 
  

  

  Surirella 
  TuEr. 
  

  

  ^. 
  Capronii 
  Beéb. 
  

  

  Vaxholm 
  (Cl.). 
  

  

  Subfoss.: 
  in 
  the 
  diat. 
  deposit 
  near 
  Christianstad. 
  

  

  6'. 
  elegans 
  Ehb. 
  

  

  VH. 
  D. 
  B. 
  Pl. 
  LXXI, 
  fig. 
  3. 
  

  

  Vaxholm 
  (Cl.). 
  

  

  S. 
  striatula 
  TuEP. 
  

  

  Schm. 
  Atl. 
  Pl. 
  24, 
  fig:s 
  17—22. 
  

  

  