Mater. — Tortugas MedusEe. 



PLATE 18 



Fig. 42. Dysmorphosa minuta, nov. sp. 



Fig. 43. Netocertoides brachiatum, nov. gen. et sp. Side view. 



Fig. 44. " " Aboral view. 



Fig. 45. Dipurena picta, nov. sp. 



Fig. 46. " " Terminal portion of tentacle. 



Fig. 47. Staurodiscus tetrastaurus, Haeckel. Young medusa. 



