PLATE 29. 



Fig. i. Dipleurosoma ochracea. Side view of an immature medusa. 



Fig. 2. Dipleurosoma ochracea. Oral view of an immature medusa. 



Fig. 3. Stomotoca pteropliylln. Enlarged view of the medusa, showing the 

 bell contracted so as to reduce the length of the peduncle. Nassau 

 Harbor, Bahamas, April 20, 1907. 



Fig. 4. Stomotoca pterophylla. Side view of the manubrium of a mature 

 male. Off Miami, Florida, in the Gulf Stream. 



Fig. 5. Stomotoca pterophylla. View of velum showing radial and circum- 

 ferential muscle-fibers. 



Drawn from life, by the author. 



See page 113 for description of figures 3 to 5; page 226 for descrip- 

 tions of figures i and 2. 



