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



Plate V. 



Fig. 1. Amphihymenimn elegans Cl ^ ^*^*^- 



2. ActinommaCh sol. Cl X '^*"^- 



3. Actinosphara trichophora Cl ^ "'''^^ 



4. Halioiiima irregulare Cl '^ ^^'^ 



s 5. Haliomma echiuosphcera C'L ^ ^^^ 



0. Ilexacontium setosuin Hkl.? ^ ^*^'^- 



i 7. Haliomma spinnlosuiiu with two exterior shells X 300. 



