Diatoms from North-East Greenland. 223 



Podosira Ehr. 



Podosira hormoides Mont., Grun. Kasp. S. 130; V. H. Syn., 

 Tab. LXXXIV, fig. 3. 



Loc. Off Cape Amélie (Algæ, 3 sampl.), Danmarks Havn (Algæ), Off Cape 

 Bismarck (Algæ), Koldewey Isl. (Algæ, 2 sampl.). 

 A ret. Distr. Greenl., E. of Greenl. 



Podosira hormoides Mont., var.? minima Grun., V. H. 1. c. 

 figs. 7—8. 



Loc. Off Cape Amélie (Algæ), Off Cape Bismarck (Algæ), Koldewe}' Isl. 

 (Algæ). 



According to Grunow (in the explanation of the Tab., quoted above, of 

 V. H. Syn.) "accompagnement le Podos. hormoides." 



Podosira Montagnei Kütz., Grun. Kasp., S. 129, V. H. Syn., 

 Tab. LXXXIV, figs. 11^12. 



Loc. Off Cape Amélie (Algæ, 3 sampl.), Danmarks Havn (Algæ), Off 

 Cape Bismarck (Algæ), Koldewey Isl. (Algæ. 2 sampl.). 



Ar et. Distr. Not before recorded from Arctic Seas. Several other 

 records. 



Hyalodiscus Ehr., 1854. 

 Hyalodiscus scoticus (Kütz.) Grun., CI. & Grun. A.D. 116, V.H. 

 Syn., Tab. LXXXIV, figs. 15—17. 



Loc. Danmarks Havn (Algæ), Koldewey Isl. (Algæ, 3 sampl.). 

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



Hyalodiscus subtilis Baill. CI. & Grun. A. D. 116; Perag. D. 

 mar. d. Fr., Tab. CXIX, fig. 7. 



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

 Off Cape Bismarck (Algæ), Koldewey Isl. (Algæ, 4 sampl.). 



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



BiddulpMa Gray., 1831. 



Biddulphia arctica (Brighlw.) Boyer, Bright^v. Mier. Journ. IV, 

 250, Tab. IV, fig. 11 (Triceratium arcticum). 



Loc. Danmarks Havn (Algæ, 2 sampl.). Off Cape Bismarck (Algæ), Kolde- 

 wey Isl. (x\lgæ, 4 sampl.). 



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



Biddulphia arctica forma Balæna Ehr., A. S. AtL, Tab. CXXI, 

 figs. 5 — 6. 



Loc. Off Cape Bismarck (Algæ), Koldewey Isl. (Algæ, 4 sampl.). 

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



Biddulphia aurita (Lyngb.) Bréb., V.H. Trt. 471, Tab. XX, 

 fig. 631. 



Loc. Koldewey Isl. (Algæ, 2 sampl.). 



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



