Mayer. — Tortugas Medusffi. 



PLATE 5. 



Fig. 10. Gonionemoides geophila, nov. sp. Young medusa. 



Fig. 11. Gonionemoides geophila, nov. sp. Distal end of tentacle showing the 



beginning of the formation of the suctorial disk. 

 Fig. 12. lialicalyx tenuis, Fewkes. Portion of bell margin. 



