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



Plate V. 



Fig. 1. Ampliihymenium elegans Cl X 500. 



» 2. ActinommalJ) sol. Cl • X 500. 



» 3. Actinosplicera trichophora Cl X 500. 



» i. Haliomma irregulare Cl X 300. 



» 5. Haliomma echinosphcera Cl X 500. 



» 0. Hexacontium setosum Hkl.? X 500. 



» 7. Haliomma spinulosum, with two exteriör shells X 300. 



