1^47 1 Diatonieao. 493 



Eunotia islandica Oestrup, in Rosenvinge-Warming, Bot. of loelainl 2, 1918, 



p. 53, pl. V, 75. — Island. 

 E. media A. Cleve-Euler var. ? jemtlandica Fontell, Ark. f. Bot. 14, Xr. 21, 



1917, p. 54, pl. 1, 25. ^ Schweden. 

 E. parallela var. densestriata Fontell 1. c. p. 52, pl. 2, 50. — Schweden. 

 E. paraHeia Ehrb. f. robusta Fontell 1. c. p. 51, pl. 1, 19. — Schweden. 

 E. praerupta Ehrb. f. moiiodonoides A. Mayer, Kryptogam. Forsch. 2, 1917, 



p. 103. — - Deutsches Reich. 

 E. robusta Ralfs var. tetraodon (Ehrb.) Ralfs f. abrnpta Hust., Arch. f. Hydrob. 



u. Planktonk. 10, 1914, p. 57, Taf. I, 14—15. — Deutsches Reich. 

 E. scandinavica f. angusta Fontell, Ark. f. Bot. 14, Nr. 21, 1917, p. 54, pl. 2. 



49. — Schweden. 

 E. triodon Ehrb. var.'? elongata Fontell I. c. p. 53, pl. 1, 24. — Schweden. 



E. Veneris Kütz. var. obtusa Grün. f. asymmetrica Fontell 1. c. ]». 58, pl. 2, 52. 



— Schweden. 



Fragilaria Baculus Oestrup, in Rosenvinge-Warming, Bot. of Iceland *2, 1918, 

 p. 58, pl. V, 78. — Island. 



F. gracillima Mayer, Kryptogam. Forsch. 4, 1919, p. 212, Taf. V, 79—80. — 



Deutsches Reich. 

 F. islandica Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 10, 



pl. I. 11. - Island. 

 F. miitabilis (W. Sm.) Grün. var. inflata Oestrup 1. c. p. 59, pl. V, 79. — 



Island. 

 F. parasitica var. asterionelloides Meister, Arch. f. Hydrobiol. u. Planktonk. 



9, 1914, p. 227, Taf. VIII, Fig. 4. — Japan: Tokyo. 

 F. rhombica Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, ]). 60, 



pl. V, 80. — Island. 



F. triundulata Oestrup 1. c. p. 60, pl. V, 81. — Island. 



Gomphonema acuminatum Ehrb. var. biconstricta Fontell, Ark. f. Bot. 14, 

 Nr. 21, 1917, p. 27, pl. 2, 44. — Schweden. 



G. kamtschaticum Grün. var. islandicum Oestrup, in Rosenvinge-Warming, Bot. 



of Iceland 1, 1918, p. 356, pl. I, 8. — Island. 

 G. irreguläre Oestrup 1. c. 2, 1918, p. 21, pl. II, 27. — Island. 

 G. islandicum Oestrup 1. c. p. 21, pl. II, 28. — Island. 

 G. medio-constrictum Oestrup 1. c. p. 22, pl. II, 29. — Island. 



Grammatophora hyalina A. Cleve-Euler, Ark. f. Bot. 14, Nr. 9, 1915, p. 58, 



pl. 2, Fig. 11, 12, 19. — Finnland. 

 G. sagitta A. Cleve-Euler 1. c. p. 58, pl. 4, 97. — Finnland. 

 Hantzschia amphioxys (Ehrb.) Grün. var. pusilla Grün. f. densestriata Fontell, 



Ark. f. Bot. 14, Nr. 21, 1917, p. 48, pl. 2, 48. — Schweden. 

 H. truncata Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 46, 



pl. V, 69. — Island. 

 Mastogloia exigua Lewis var. rostellata A. Cleve-Euler, Ark. f. Bot. 14, Nr. 9, 



1915, p. 37, pl. 4, 85. — Finnland. 

 Melosira mucosa Mangin, 2me Exp. antarct. franc. 1908—1910, Sc. Nat., 



Doc. Sc. 1915, p. f. — Antarktis. 

 M. Schroederi Wolosz., Hedwigia 55, 1914, p. 186, Taf. 3, Fig. 11, 12, 14. — 



Ostafrika. 



var. minor Wolosz., 1. c. Taf. 3, Fig. 13. — Ostafrika. 



