PLATE 28. 

 Fig. i. Toxorchis kellneri. Side view of female medusa. Tortugas, Florida, 



July 8, 1907. 



Fig. 2. Toxorchis kellneri. Oral view of the medusa. 

 Fig. 3. Turris superba (a variety of T. pileata). Tortugas, Florida; July 



4, 1907. Mature male medusa. 

 Fig. 4. Turris superba (variety of T. pileata). Side view of manubrium 



showing the foldings of the interradial gonads. 



See page 126 for description of figures 3 and 4. 

 Drawn from life, by the author. 



