MAYEfi. — Tortugas Medusae. 



PLATE 16. 



Fig. 36. Steenstrupia gracilis, Brooks. Mature medusa <J. 

 Fig. 37. " " Young medusa. 



Fig. 38. Ectopleura minerva, uov. sp. 



Fig. 39. Tiara superba, nov. so. 



