P. T. CLEVE, NOTES ON SOME ATLANTIC FLANKTON-ORGANISMS. 



Plate VII. 



Vig. 1. Ceratium ranipes Cl X 250. 



2. C. curvicorne v. Daday x 250. 



3. C. (tripos va?'.?) arietinum Cl X 250. 



4. C. (tripos var.?) volans Cl X 250. 



» 5. C. (tripos var.?) vultur Cl X 250. 



6, 7. C. (tripos var.?) azoricum Cl X 250. 



8, 0. C. reflexum Cl X 250. 



» 10. C. contortum Gourret X 250. 



11. C. (tripos var.?) areuatum Gourret x 250. 



12. C. (tripos var.?) flagelliferum Cl X 250. 



13. C. belone Cl X 250. 



14. C. paradoxides Cl X 250. 



» 15, 16. Peridinium elegans Cl X 250. 



VI, 18. P. oceanicum VanhöFFEN X 250. 



s> 19, 20. P. diabolus Cl X 250. 



» 21, 22. P pallidum Ostenf X 250. 



23. Pyrocystis hamulus Cl x 250. 



24. Xanthidium paucispinosum Cl X 150. 



25. Chcetoceros longisetus CL., sterile chain X 500. 



» 2(i, 27. C. longisetus Cl.; with eudocysts X 500. 



28,29. C. longisetus CL.; terminal set» X 1000. 



30, 31. Skeletonema tropicum Cl X 500. 



32. Asterionella notata GRUN X 250. 



33. Dactyliosolen hyalinus Cl X 250. 



