460 



CLEVE, DIATOMS. 



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

 new (East Cape). 



forma parva, — Cape Deschnew (East Cape). 



f. minutissima Grun. — F. J. L. 



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

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



C. pseudomarginata Greg. (D. of CI. PI. IX, fig. 27, C. pellu- 

 cida Grun. Verb 1863 Clev. D. of the A. S. pag. 14) Greenl., 

 Spitsb., Finm., Kara. 



a dirupta Greg. (Van Heurck Syn. PI. XXIX, fig. 13—14) 

 Greenl. 



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

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

 19 in 0,01 mm. — Greenl., Bessel's Bay, Finm. 



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

 valve). Length 0,o3 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. 

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



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



Greenl., Bessel's Bay, Finm. 



C. costata Greg. (Van Heurck Syn. PI. XXX, fig. 11—12) 

 Greenl., Mushroom Point, Spitsb., Finm. 



C. finmarchica Grun. (Arct. Diat. p. 16 PI. I, fig. 1) Bes- 

 sel's Bay, Finm. 



G. quarnerensis (Grun.) A. Schm. (N. Sea Diat. PI. Ill, fig. 

 15—16) Greenl., Spitsb., Finm. 



2. Mastogloiaces. 



Mastogloia ovata Grun. (A. Diat. PI. I, fig. 2) Finm., Kara. 

 M. hariana Grun. (A. Diat. pag. 17, PI. I, fig. 3) Kara. 



3. Achnanthea. 



Achnanthes subsessilis Kiitz. (Achnanthidium arcticum CI. 

 D. of the A. S. p. 25, PI. IV, fig. 22, A. Irevipes Ag.) Greenl., 

 Mushroom Point, Spitsb., Finm. 



A. coardata (Br^b) Grun. Mushroom Point. 



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

 Sea, pag. 25, PI. IV, fig. 23) Greenl., Bessel's Bay (common), 

 Spitsb., Finmark. 



