288 



PERONIA Bréb. & Arn. 1868. V. H. Syn., p. 145. 



235. Peronia erinacea Bréb. & Arn., V. H. Syn. tab. XXXVI, 

 fig. 19. 



Trangisvaag (Sy de ro); Hesto; Kirkebokamp (Stromo). 



TABELLARIA Ehr. 1839. V. H. Syn., p. 162. 



236. Tabellaria fenestrata (Lyngb.) Kiitz., V. H. Syn. tab. LII, 



figs. 7—8. 



Occurs in many of the gatherings, but only cxceptionally in large 

 qiiantities. Plankton. 



237. T. flocculosa (Roth.) Kiitz., V. H. Syn. tab. LII, figs. 10—12. 



Very common. In some gatherings, e. g. from Hojefjæld (Bord 6) 

 and Svartafos (Stromo), abundant. Plankton. 



DIATOMELLA Grev. 1855. De Toni Syll. II, p. 742. 



238. Diatomella Balfouriana W.Sm., W.Sm. Syn. tab. LXI, fig. 383. 

 Found dispcrscd in several of the gatherings. Common in two 



gatherings only — one from Trangisvaag (S 3^ der 6) and one from 

 Hojefjæld (Bord 6). 



RHABDONEMA Kiitz. 1844. V. H. Syn., p. 165. 



239. Rhabdonema arcuatum (Ag.) Kiitz., V. H. Syn. tab. LIV, 

 figs. 14—16. 



Rare. Trangisvaag (Syde ro). 



TETRACYCLUS (Ralfs) Grim. 1862. V. H. Syn., p. 166. 



240. Tetracyclus emarginatus W. Sm., Herib. Diat. d'Auv. tab. 

 fig. 27. 

 Here and there, but not common in any of the gatherings. 



III, fig. 27 



MELOSIRA Ag. 1814. Y. H. Syn, p 197. 



241. Melosira varians Ag., V. H. Syn. tab. LXXXV, figs. 10, 11 



and 14, 15. 



Not rare. Common in gathetings from Thorshavn and Kvanhaugen 

 (S yd er 6); a gathering from Bosdalafos (Yaago) consisted mainly of it. 



242. M. Roeseana Rbh., V. H. Syn. tab. LXXXIX, figs. 1—3. 

 Rather rare and occurring only in a few examples. Nol s 6; Vaag 



(Yaago); Hojefjæld (Bord 6). 



