PLATE 60. 



Fig. I. Pclagta noctiluca, mature medusa, 1.25 times natural size. Naples 

 Zoological Station, November 29, 1907. 



Fig. 2. Pclagta noctiluca. Aboral view of a marginal sense-organ. 



Fig. 3. Pelagia noctiluca. Side view of one of the nettlmg-warts near the 

 mid-radius of the exumbrella. 



Fig. 4. Nausit/ioe punctata. Oral view of mature female seven times the 

 natural size. Tortugas, Florida, April 17, 1906. 



Fig. 5. Nausithoe punctata. Side view of mature medusa showing sculptur- 

 ing of exumbrella. Tortugas, Florida, June, 1906. 



See page 553 for figures 4 and 5. 

 Drawn from life, by the author. 



