PLATE 66. 

 All figures are Cyanea cafillatu var. fitlva. 



Fig. I. Planula 10 days old; enlarged view. Figure i'. Egg drawn to the 



same relative size. 

 Fig. 2. Scyphostoma with 8 tentacles, drawn in the act of feeding. I mm. 



high. 



Fig. 3. Scyphostoma with 14 tentacles, 24 days old. 1.5 mm. high. 

 Fig. 4. Scyphostoma, oral view of a specimen with 10 tentacles. 

 Fig. 5. Young medusa with bell 8 mm. wide; showing the exumbrella 



papillae. There are 3 tentacles in each adradial cluster. 

 Fig. 6. Young medusa with bell 10 mm. wide; showing the lips expanded 



and spread out over the bottom oi the aquarium. There are 5 



tentacles in each adradial cluster. 

 Fig. 7. Marginal sense-organ of the medusa shown in figure 6. 



Drawn from life, by the author, at the Agassiz Laboratory, Newport, 

 Rhode Island, June 8 to July 9, 1895. 



