KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 34. N:0 I. 



Plate VIII. 



Fig. 1, 2. Hyalophysa delicatula CL. . X 500. 



3. Dinophysis Vanhöffenii Ostenf X 500. 



» 4. Steiniella(?) punctata Cl X 500. 



5. Peridinium exiguum Cl x 500. 



6. Asteromphalus heptactis Ralfs x 1000. 



7. A. utlanticus Cl. from Portugal X 1000. 



8, 9. A. atlanticus Cl. from N. Atlantic X 1000. 



■» 10, 11. Phalacroma minatum CL X 500. 



12. Tkalassiosira condensata Cl.; a chaiu X 500. 



13. Th. condensata Cl. ; a valve, ignited X 1000. 



14. Ceratium(?) hyperboreum Cl X 500. 



15. Pterosphcera Möbii J0r<;ensen x 500. 



16. Chcutoceros dijficilis Cl., sterile chain X 1000. 



17. The same, with cndocysts X 1000. 



18. The same, eudocysts, from above and from the side X 1000. 



1!». Clxetoceros Osten feldil Cl X 1000. 



