Diatoms from North-East Greenland. 205 



Loc. Margin of the Pack-ice. 

 Arct. Distr. E. of Greenl. 



Navicula cancellata Donk., CI. Syn., II, 30; V. H. Tri., Tab. III, 

 flg. 128. 



Loc. Mar», of the Pack-ice, 



Arct. Distr. Greenl., East Arct. S. 



Navicula cancellata Donk., var. Gregorii Ralfs, A. S. All., Tab. 

 XLVI, flg. 72. 



Loc. Off Cape Amélie (Algæ), Koldewey Isl. (Algæ). 



Arct. Distr. E. of Greenl., East Arct. S. 



Navicula cancellata Donk., var. retusa Bréb, V. H, Trt., Tab. II, 

 fig. 80 (Nav. retusa var. subret.). 



Loc. Koldewe}' Isl. (Algæ, 2 sampl.), Off Germ. L. (Land-Ice). 



Arct. Distr. East Arct. S. 



Navicula cancellata Donk., var. subapiculata Grun., A. S. Atl., 

 Tab. XLVI, fig. 68. 



Loc. Koldewej' Isl. (Algæ). 



Arct. Distr. W. Greenl., East Arct. S. 



Navicula digito-radiata Greg., CI. Syn., II, 20; V. H. Tri., Tab. III, 

 fig. 130. 



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



Arct. Distr. Greenl., E. of Greenl., East. Arct. S. 



Navicula digito-radiata Greg., var. Cyprinus (Ehr.?) W. Sm., 



V. H. Tri. I.e. flg. 131. 



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

 Arct. Distr. Greenl. 



Navicula directa W. Sm., var, genaina Cl., Cl. Syn., II, 27; 

 A. S. Atl., Tab. XLVII, figs.4-5. 



Loc. Off Cape Amélie (Algæ, 5 sampl.), Koldewey Isl. (Algæ, 2 sampl.), 

 Marg. of the Pack-ice. 



Arct. Distr. Greenl., East Arct. S. 



Navicula directa W. Sm., var lata Øst., Øst. Mar. D. Østg., 427, 

 Tab. V, fig. 47. 



Loc. Off Cape Amélie (Algæ). 



Arct. Distr. E. of Greenl. 



In my paper Mar. D. Østg. (1. c.) the length of the valve is erroneously 

 stated to be 0.37 mm instead of 0.137 mm. The figure, however, is correct. 



Navicula directa W. Sm., var. remoia Grun. A. Sch. N. S. D., 

 Tab. Ill, fig. 2. 



Loc. Danmarks Havn (Algæ). 

 Arct. Distr. Greenl., East Arct. S. 



Navicula directa W. Sm., var. cuneata Øst., Øst. Mar. D. Østg., 

 428, Tab. IV, fig. 42. 



Loc. Marg. of the Pack-ice. 

 Arct. Distr. E. of Greenl. 



