460 



CLEVE, DIATOMS. 



var. stauronelformis, Spitsb., Finm., Mushr. P., Cape Desch- 

 new (East Cape). 



forma xmrva, — Cape Deschnew (East Cape). 



f. minutissima Grun. — F. J, L. 



C. distans Greg. (D. of CI. PI. IX, fig. 23, A. Schm. N. Sea 

 Diat. Ill, fig. 22—23) Mushroom Point, Kara. 



C. pseudomarginafa Greg. (D. of CI. PI. IX, fig. 27, C. pelhi- 

 cida Grun. Verb 1863 Clev. D. of the A. S. j^ag. 14) Greenl., 

 Spitsb., Finm., Kara. 



C. dlriipta Greg. (Van Heurck Syn. PL XXIX, fig. 13—14) 

 Greenl. 



C. decipiens CI. (D. of the A. S. pag. 14, PI. I, fig. 6, lower 

 valve, PL II, fig. 11 a, upper valve) striae on the upper valve 

 19 in 0,01 mm. — Greenl., BesseLs Bay, Finm. 



C. arctica CI. (D. of the A. S. pag. 14, PL II, fig. 11 b., upper 

 valve). Length 0,03 mm. Br. 0,oi8 mm. Lower valve with sig- 

 moid median line and coarse striae, composed of distinct puncta, 

 12 in 0,01 mm. Central nodule, surrounded by a small area. 

 Upper valve without distinct median line and central nodule. 

 Striae interrupted, marginal and axial 11 in 0,oi mm. 



PL 35, fig. 4 a, lower, h, upper valve. 



Greenl., Bessel's Bay, Finm. 



a costafa Greg. (Van Heurck Syn. PL XXX, fig. 11—12) 

 Greenl., Mushroom Point, Spitsb., Finm. 



C. finniarcliica Grun. (Arct. Diat. p. 16 PL I, fig. 1) Bes- 

 sel's Bay, Finm. 



C. quarnerensis (Grun.) A. Schm. (N. Sea Diat. PL III, fig. 

 15—16) Greenl., Spitsb., Finm. 



2. Mastogloiaceae. 



llastoghia ovata Grun. (A. Diat. PL I, fig. 2) Finm., Kara. 

 M. lariana Grun. (A. Diat. pag. 17, PL I, fig. 3) Kara. 



3. Achnanthese. 



Achnanthes suhse^silis Ktitz. (Achnanthidium arcticum CI. 

 D. of the A. S. p. 25, PL IV, fig. 22, A. hreoipes Ag.) Greenl., 

 Mushroom Point, Spitsb., Finm. 



A. coardata (Breb) Grun. Mushroom Point. 



A. gronlandka (CI.) Grun. (Achnanthid. CI. D. of the Arct. 

 Sea, pag. 25, PL IV, fig. 23) Greenl., BesseLs Bay (common), 

 Spitsb., Finn^ark. 



