PLATE 14. 



Fig. I. PoJocorynr niinuta, Tortugas, Florida, July 16, 1898. 



Fig. 2. The hydroid of Podocoryne cornea. Agassiz Laboratory, Newport, 

 Rhode Island, June 20, 1895. 



Figs. 3 to 5. Podocoryne carnea. Stages in the growth of the medusa. Agas- 

 siz Laboratory, Newport, Rhode Island. July 20 to 24, 1892. 



Fig. 6. Podocoryne carnea, young medusa. Agassiz Laboratory Newport, 

 Rhode Island, July, 1895. 



Fig. 7. PoJocor\'iii' duhia. Tortugas, Florida, July 20, 1898. 



Fig. 8. Podocoryne diibui. Side view of oral tentacles. 



Fig. 9. Podocoryne Jubia. Side view of marginal tentacles. 



Fig. 10. Tumtopsis nutricula, mature male. Agassiz Laboratory, Newport, 

 Rhode Island, July, 1892. 



Figs. II to 13. Tumtopsis nutncula, young stages of the medusa. Agassiz 

 Laboratory, Newport, Rhode Island, July, 1892. 



Drawn from life, by the author. 



