1'. T. CLEVE, NOTES ON SOME ATLANTIC PLANKTON-ORGANISMS. 



Plate VII. 



Fig. 1. Ceratium ranipes Cl X 250. 



s 2. C. curoicorne V. Daday X 250. 



3. C (tripos var.?) arietiuntn Cl X 250. 



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



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



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



8, 0. C. reflexion Cl X 250. 



10. C. contortnm GOURRBT X 250. 



11. C. (tnpos var.?) arnuatuni GoURRBT X 250. 



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



13. C. belone Cl X 250. 



', 14. C. parado.vides Cl X 250. 



15, 16. Peridlnhim elegans Cl X 250. 



17, 18. F. oceanicuni Vanhoffen X 250. 



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



21, 22. P pallidum OSTENF X 250. 



23. Pyroryslis hamulus Cl X 250. 



24. Xanthidium, paucispinosnm Cl X 150. 



25. Clicetoceros longisetus Cl., sterile chain X 500. 



2(1,27. C. longisetus Cl.; with endocysts X 500. 



28,29. C. longisetus Cl.; terminal setse X 1000. 



30, 31. Skeletoneina tropicum Cl X 500. 



32. Asterivnella notata Grun X 250. 



33. Dactyliosolen hyalinus Cl X 250. 



