A. CLEVE-EÜLER, DIÄT. FLORA OF FINLAND. 67 



Sceptroiieis Grun. 



Sceptroneis gemmata Grün. — V. H. Syn. Tab. 37, f. 3. 



Foss.: Kk. Knjäslia, rare. 



Distr. {mar.): Arctic Sea, (foss.) Moler of Mors. 



Sceptroneis marina (Greg.) Grun. — V. H. Syn. Tab. 

 37, f. 2, Tab. 50, f. 18—19. — Syn. Meridion{?) rnarinum 

 Greg. D. of Clyde, Tab. 2 (10), f. 41. Opephom marina Petit, 



Foss.: Kk. Knjäsha. 



Distr. {mar.): North Sea, 



Sceptroneis sp.? — PI. 4, f. 96. 



Foss.: Kk. Knjäsha. One small clavate, heteropolar valve, 

 17 a in length, 4 a in breadth at the broader end. Striae 

 11 in 10 [x, leaving a narrow pseudoraphe and composed of 

 two puncta on each side of it. 



Pla^io^ramma Grev. 



Plagiogramma Gregorianum Grev. — V. H. Syn. Tab. 

 36, f. 2. — Syn. Denticula staurophora CtREG. D. of Clyde, 

 Tab. 2(10), f. 37. 



Foss.: Kk. Knjäsha, frequent. 



Distr, {mar.): West and East Arctic Sea, ubiquist. 



Besides the ordinary, short form there occur some large 

 specimens, reaching 65 [x in length, as östrup has also ob- 

 served on the Westcoast of Greenland (Kystd. Gronl., p. 338)* 



Licmophora Ag. 



Licmophora sp. 



Foss.: Kk. Knjäsha. — This Licmophora cannot be de- 

 termined, as I have seen only diaphragms, no valves. It be- 

 longs to the profunde septatae and is rather large, 70 — 80 ;jl 

 in length {L. Lynghyei (Kütz.) Grun.?), 



GramniJitophora Ehb. 



Grammatophora arctica Cl. — D. Spetsb. Tab. 23, f. 1. 

 — V. H. Syn. Tab. 73 bis, f. 3. 

 Foss.: Kk. Knjäsha, rare. 

 Distr. {mar.): West and East Arctic Sea. 



