Mayeb. — Tortugas Medusae. 



PLATE 4. 



Fig. 8 Gonionemoides geophila, nov. gen. ct sp. Side view of adult medusa. 

 Fig. 9. " " Medusa witti oral surface upward, and holding 



fast to the' bottom of the aquarium by means of tiie adhesive suckers 



upon its tentacles. 



