283 



Apiciilatæ Cl. & Grun. 1. c, p. 72. 



194. Nitzschia apiculata (Greg.) Grun., V. H. Syn. tab. LVIII, 

 figs. 26—27. 



Not rare in a gathering from Hojefjæld (Bor do). 



Dnbiæ Cl. & Grun. 1. c, p. 77. 



195. Nitzschia thermalis Kiitz. var. miner Hilse, V. H. Syn. tab. 

 LIX, fig. 22. 



Vaags Ej de, Trangisvaag (Sydero), 



Bilohatæ Cl. & Grun. 1. c, p. 79. 



196. Nitzschia biiobata W. Sm. var. minor Grun., V. H. Syn. 

 tab. LX, figs. 2-3. 



Here and there, but never in large quantity in any of the gatherings. 



Griinovia Cl. & Grun. 1. c, p. 82. 



197. Nitzschia Denticula Grun., V. H. tab. LX, fig. 10. 



Ornefjæld (Sydero ; No lsd; Vaag (Vaago). Not rare in a gatliering 

 from the latter localit3^ 



198. N. sinuata (W. Sm.) Grun., V. H. Syn. tab. LX, fig. 11. 

 Here and there. 



Dissipatæ Cl. & Grun. 1. c., p. 90. 



199. Nitzschia dissipata (Kutz.) Grun., V.H. Syn. tab. LXIII, fig. 1. 

 Kirkebokamp, Tliorshavn (Stromo); Midvaag i Vaago). 



Sigmoideæ Cl. & Grun. 1. c, p. 90. 



200. Nitzschia vermlcularis (Kutz.) Grun., V. H. Syn. tab. LXIV, 



fig. 1. 



Thorshavn, Kirkebokamp (Stromo); Ejde (Os te ro). 



Sigmata Grun. Casp. S., p. 118. 



201. Nitzschia Sigma W. Sm., V. H. Syn. tab. LXV, fig. 7. 

 Trangisvaag (Sydero); Bosdalafos (Vaago). 



Var. rigida (Kiitz.) Grun., V. H. Syn. tab. LXVI, fig. 2. 



Rare. Trangisvaag (Sydero). 



Var. diminuta Grun., V. H. 1. c, fig. 9. 



Midvaag (Vaago). 



202. N. Clausii Hantzscb, V. H. Syn. tab. LXVI, fig. 10. 

 Midvaag (Vaago). 



