62 Acta Societatis pro Fauna et Flora fennica, VIII, n. 2. 



Diatoma De Gand. 



D. hiemale var. mesodon Kiitz. — V. H. LI. 3 — 4. 

 Ab. 39, Lim. 23, Li 28, 29, 35. 

 D. anceps (Ehb.) Grun. -- V. H. LI, 6—S. 

 Sb. 8, 9, 10. 



D. tenue Kiitz. — V. H. L, 11, 14, 18, 19. 

 Al. 56, 57, Sinf. Nyl. 77 (var. normalis and var. elongata 

 Dannf.), Lad. 63, 65, Sb. 6. 



D. vulgare Bory. — V. H. L, 1—9. 

 Sinb. Ob. 83 (with var. constricta). 



Meridion Ag. 



M. circulare C. Ag. — V. H. LI, 10—12. 

 Ab. 39, Nyl. 55, Sb. 10, Lt. 29, 30. 

 M. constrictum Ralfs. — V. H. LI, 14 — 15. 

 Ab. 39, 49, Sb. 6, 10, 12, Lt. 35. 

 Foss. Ta. 96. 



Ceratoneis Ehb. 



C. Arcus (Ehb.) Kiitz. — V. H. XXXVII, 7. 

 Sb. 5, 6, Lad. 66, Sinb. Ob. 83, Lim. 22. 



Synedra Ehb. 



S. pulchella Kiitz. — V. H. XL, 27. 



Sinf. Nyl. 100 (Dannf,), Sinb. Ob. 83. 



S. Vaucheriae Kiitz. — V. H. XL, 19. Fragilaria intermedia 

 Grun. — V. H. XLV, 9—11. 



Ab. 37, 38, 45, 46, 47, 48, 49, Sb. 18, Sinb. Ob. 83. 



S. Ulna Ehb. — V. H. XXXVIII, 1—14. 



Al. 56 (v. longissima), 57, Ab. 45, 46, 47 (with var. longissima), 

 48 (v. capitata), Lad. 85, Kon. 40, 41 (with the var. capitata), 43, 

 Sb. 2, 4 (var. longissima), 5, 6, 8, 11, 13, 18, Sinb. Ob. 83, Lt, 

 28, Lim. 21, 23 (var. vitrea), 24 (var. vitrea), 26. 



Foss. Ob. 91, Lk. 104. 



S. Acus Kiitz. — V. H. XXXIX, 4, 5. 



