Diatoms from North-East Greenland. 235 



Naviculæ merolejæ Cl., 1894. 

 Navicula bacilliformis Grun, CI. Syn., I, 131; V. H. Trt., Tab. 

 XXVII, fig. 774. 

 Loc. Nostoc. 

 Not before recorded from Arctic regions. Several other records. 



Navicula Heufleriana Grun., CI. Syn., I, 130; V. H. Syn., Tab. IV, 

 fig. 1 a. 



Loc. Hvalrosodde. 



A ret. Distr. Fz. Js. Ld. 



Navicula mutica Kutz. forma Cohnii Hilse, Cl. Syn., I, 129: V. 

 H. Trt., Tab. 4, fig. 167 (Nav. mut.). 



Loc. Lille Snenæs, Danmarks Havn, Vester Elv. 



Ar ct. Distr. W. Greenl., E. Greenl., Fz. Js. Ld., Spb., J. M. 



Navicula mutica forma Gøppertiana Bleisch, V. H. Syn., Tab. X, 

 figs. 18—19. 



Loc. Otr Cape Amélie (Algæ, 2 sampl.). 



Not before recorded from Arctic regions. Several other records. 



Navicula mutica forma veniricosa Kütz., V. H. Trt., Tab. IV, 

 fig. 171 (Nav. ventric). 



Loc. Lille Snenæs (2 sampl.), Vester-Elv, Therniometerfjeld. 

 Arct. Distr. E. Greenl., Fz. Js. Ld., J. M. 



Navicula nivalis Ehr., Cl. Syn., Tab. I, 130; V. H. Syn., Tab. X, 

 fig. 21 (Nav. qvinqvenodis Grun.). 

 Loc. Thermometerfjeld. 

 Arct. Distr. Fz. Js. Ld. 



Navicula Rotæana Rabb., Cl. Syn., I, 128; Lgst., Spb., Tab. I, 

 fig. 13 (Stauroneis minutissima). 

 Loc. Lille Snenæs. 

 Arct. Distr. E. Greenl., Spb., B. EL, J. M. 



Navicula Seminulum Grun., Cl. Syn., I, 128; V. H. Trt., Tab.V, 

 fig. 228. 



Loc. Thermometerfjeld. 

 Arct. Distr. \V. Greenl., Spb. 



Naviculæ entolejæ Cl., 1884. 

 Navicula contenta Grun., Cl. Syn., I, 132; V. H. Trt., Tab. V, 

 fig. 239. 



Loc. Dove Bugt, Vester Elv. 

 Arct. Distr. E. Greenl. 



Naviculæ decipientes Grun., 1880. 

 Navicula gibbula Cl., Cl. Syn., I, 140; Lgst., Spb., Tab. I, fig. 7 a 

 (Nav. gibberula). 



