544 



*96. E. pectinalis (Ktz.) Rabh. var. stricta Rabh., V. H. Syn. tab. 

 XXXIII., fig. 18. 



Between Thorsvig and Kvalvig (S trom 6). 



*E. pectinalis (Ktz.) Rabh. var. minor Rabh., V. H. 1. c, figs. 20 — 21. 

 Kalbakfjord (S trom 6). 



*97. E. prærupta Ehr., formå curta, V. H. Syn. tab. XXXIV., fig. 24. 

 Tværaa (Sydero). 



*98. E. Triodon Ehr., V. H. Syn. tab. XXXIII., fig. 9. 



Kvivig (Stromo). 



All the above-mentioned Eunoliæ occur only in single specimens. 



CERATONEIS Ehr. 1840, V. H. Syn., p. 148. 



•99. Ceratoneis Arcus Ktz., V. H. Syn. tab. XXXVII., fig. 7. 



Skaalefjord (Ostero); Kalbakfjord, Thorshavn (Stromo)- Sorvaag 

 (Vaago). Everywhere in solitary specimens. 



/I 



SYNEDRA Ehr. 1831, V. H. Syn., p. 149. 



100. Synedra pulchella Ktz., V. H. Syn. tab. XL., fig. 28. 



Ejde (Ostero); Kalbakfjord (Stromo); Sorvaag 

 (Vaago). 



S. pulchella Ktz. var. lanceolata OM., V. H. 1. c, 



tab. XLI., fig. 7. 



Klaksvig (Bord 6). 



Specimens of S. ])iilch., which ocenrred in a gather- 



inij; from Ejde (Ostero), varied somewhat in outward 



VJ form. In lig. 117. 660 /i. I have given an outline drawing 



of the chief varietions in that rcspect. Form c mav occur 



in very small specimens: 1:0,011 mm., br: 0,005 mm. 



i/ 



Fig. 117 



•101. S. Ulna (Nitzsch) Ehr. var. danica Ktz., V. H. Syn. tab. 



XXXVIII. , lig. 14 a. 



Klaksvig (Bordo); Kalbakfjord (Stromo'; Famien (Sydero). 

 Only a few examples. 



102. S. Gailloni Ehr., V. H. Syn. lab. XXXIX., lig. 18. 



Nol rare. Found in '2'A gatherings from Videro; Bordo; Ostero; 

 Stromo; and Sydero. 



103. S. capensis (hun., V. H. Syn. lab. XLII., lig. 1. 



Kvannesund and Klaksvig (Bordo). 



S. capensis is hardly specifically distinct Ironi S. Gailloni (cfr. descrip- 

 tion to Van Heurck's figure quoted above). 



