Plate 53. 



Fig. 1. Geryonia proboscidalis, young, immature medusa. Tortugas, Florida, 



May 25, 1906. 

 Fig. 2. Geryonia proboscidalis. Manubrium of the medusa shown in 



figure 1, with lips drawn backward revealing the "tongue." 

 Fig. 3. Geryonia proboscidalis, half-grown medusa. Tortugas, Florida, 



July 11, 1907. 

 Fig. 4. Liriope exigua (?), tetraphylla (?) Tortugas, Florida, July 4, 1907. 



Drawn from life, by the author. 



