Mayeb. — Tortugas Medusae. 



PLATE 21. 



Fig. 56. Oceania McCradyi, Brooks. Side view of mature medusa. 



Fig. 57. Oceania McCradyi, Brooks. View of one of the hydroid blastostyles that 



are produced upon the gonads. 

 Fig. 68. Oceania McCradyi, Brooks. Young blastostyle. 

 Fig. 59. " " " Oral view of mature medusa. 



