

FIG. 2. A shoal of Jelly-fish, about one of which (Rhizostomd) a group 

 of young Horse-mackerel are finding shelter. A Chrysaora in the 

 foreground, Aurelia in the background. (Aftet Haeckel and 

 Kttckttck, by permission of J. B. Baillttre et Fils.) 



