494 ('. l'hr. Schmidt: Alsicn 11)14-1919. [148 



Melosira Stefanssoni Oestrup, in Kosenvinge-Warming, Bot. of Iceland 2, 



1918, p. 64, pl. V, 84. — Island. 

 Meridian circiilare Ag. var. latiim Kufferatli, Ann. hiol. lacustre 7, 1914, p. 3t)8. 



Fig. 1. — Luxembxirg. 

 Navicula ahrupta (Jreg. var. densestriataOe>>tr\i\), in Kosenvinge-Warming, Bot. 



of Iceland J, 1918, p. 359, pl. I. 9. — Island. 

 N. ammoplüla Grün. var. Oestrupii A. Cleve-Euler, Ark. f. Bot. 14, Xr. 9, 



1915, p. 23, pl. 4, 81. — Finnland. 

 N. anouste-fasciata Oestrup, in Ro.senvinge-Wanning, Bot. of Iceland 2, 1918, 



p. 24, pl. III, 30. — Island. 

 JV. baciüiformis (Jrun. var. cruciata Ilust., Arcli. f. Hydrobiol. u. Planktonk. 



10, 1915, p. 158. — Deutsches Reich. 

 N. Bacilliim Ehr. var. densestriata Oestrup, in Rosenvinge-Warming. Bot. of 



Iceland 2, 1918, p. 12, pl. I, 12. — Island. 

 N. Boyei Oestrup 1. c. p. 24, pl. III, 31. — Island. 

 N. capitata Fontell, Ark. f. Bot. 14, Xr. 21, 1917, p. 17, pl. 2, 35. — 



Schweden. 

 N. crucicula W. 8ni. var. minor A. Cleve-Euler 1. c. 14. Nr. 9, 1915, ])1. 1, 13. — 



Finnland. 

 N. curte-striata Oestrup. in Rosenvinge-Warming, Bot. of Iceland 2, 1918, 



p. 25, pl. III, 32. — Island. 

 TV. dicepliala (Ehr.) W. Sm. var. undulala Oestru]) 1. c. j). 25, pl. III, 32. — 



Island. 

 N. dimidiata .Mayer, Kry])togani. Forsch. 4, 1919, p. 212, Taf. III, 1—2. — 



Deutsches Reich. 

 N. exilior Oestru]), in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 25, 



pl. III, 33. ~ Island. 

 N. frisiae Brockinann. Sep. Schrift. Ter. a. d. Fnterweser 4. 1914, p. (>I, 



Fig. 9. — Deutsches Reich: Emden. 

 N. Fustis Oestrup, in Rosenvinge-Warminu, Bot. of Iceland 2, 1918, p. 2(1, 



pl. III, 3fi. — Island. 

 N. gibbnla ("1. var. elliptica A. Cleve-Euler, Ark. f. Bot. 14, Nr. 9, 1915, 



— Finnland. 



N. glabra Oestrup, in Rosenvinge-Warming, Bot. of Iceland 1, 1918, p. 35 



pl. I, 5. — Island. 

 N. graciloides Mayer, Kryptogam. Forsch. 4, 1919, p. 212, Taf. Vll. (io. 



— Deutsches Reich. 



N. Hennedyi W. Sm. var. Inxuosa A. Cleve-Euler, Ark. f. Bot. 14, Nr. 9, 



1915, ].. 25, pl. 1, 22. — Finnland. 

 N. humerosa Brch. var. densestriata A. Cleve-Euler 1. c. ]). 25. — Finnland. 

 N. islandica Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 2(5, 



pl. III, 37. — Island. 

 N. involüta Mayer, Kryptogam. Forsch. 4, 1919, p. 212, Taf. VII, 9. — 



Deutsches Reich. 

 TV. Jonssoni Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 20, 



pl. III, 37. — Island. 

 N. {Libelliisi) Klausenii Oestrup, var. iurgida A. Cleve-Euler, Ark. f. Bot. 14, 



Nr. 9, 1915, p. 17, pl. 1, 14a, b. — Finnland. 

 jV. krykonites Cleve var. ( i ) islandica Oestrup, in Rosenvinge-Warming, Bot. 



of Iceland J, 1918, p. 354, pl. I, (i. — Islaml. 



