VEOA-EXPEDITIONEHS VET EN S KAPLI GA AEB ETEN. 483 



var. connectens Grun. (1. c.) Finm. 



var. fimnarchiea CI. & Grun. (1. c. fig. 113) Finm. 



8. commutata Grun. (A. D. pag. 107, PI. VI, fig. 118) Greenl. 

 (Mushroom Point, strise 12 in 0,oi mm.). Finm. 



S. fascieulaia Kiitz (Grun. A. Diat. pag. 105, PI. VI, fig. 

 114) Finm. 



S. parva Ktitz. — Finm. 



var. major Grun. (A. Diat. pag. 106, PI. VI, fig. 117) Finm. 



S. pulchella Kiitz. — Finm. 



var. minutissima (W. Sm.) Finm. 



var. Vertebra Greg. — Finm. 



S. crystaUina (Ag.) Sm. (Syn. I, pag. 74, PL XII, fig. 101) 

 Finm. 



S. superla var. minor Grun. (A. Diat. pag. 108) Finm. 



Sceptroneis marina (Greg.) Grun. (Van Heurck Syn. PI. 

 XXXVII, fig. 2) Finm. 



S.? gemmata Grun. (Van Heurck Syn. PI. XXXVII, fig. 3) 

 » Arctic Oceans. 



Thalassiothrix longissima 01. & Grun. (A. D. pag. 108) North 

 Atlantic Ocean, Cape Wankarema. 



Th. Fraunfeldii var.? arciica Grun. (Van Heurck Syn. 

 XXXVII, fig. 14) North Atlantic Ocean. 



Th. Fr. var.? tenella Grun. (1. c. fig. 15) North Atlantic 

 Ocean. 



II. Plagiogrammae. 



Plagiogramma stav/rophorum (Greg.) Heib. (P. Gregorianum 

 Grev. Dentic. stauroph. Greg. D. of CI. pag. 496, PI. X, fig. 

 37) Greenl.. (Davis Strait) Finm. 



B. Coccochromaticse. 



12. Fragilarieae. 



Fragilaria oceanica 01. (Diat. of the A. S. pag. 22, PI. IV, fig. 

 25. F. arctica Ginu. A. Diat. pag. 110, PL VII, fig. 124) GreenL 

 (Tindingen, Bessel's Bay) Northern Atlantic Ocean, Kara. 



A careful examination has proved the identity of F. 

 oceanica. CI. and F. arctica Grun;, and that my figure in D. of 



