Plate 15. 



Fig. 67. Beroe cucumis. 29 mm. long. Eastport, Maine, August 

 14. 1897. 



Fig. 68. Beroe ovata. Natural size. St. Mary's River, Maryland, 

 November 11, 1905, 



Fig. 69. Beroe ovata. View looking down upon aboral pole of spec- 

 imen represented in figure 68, to show lateral compression 

 of funnel-axis. 



Figs. 70 and 71. Larval stages of Beroe. Newport, Rhode Island, 

 July, 1892, Agassiz Laboratory. 



Drawn from life, by the author. 



