248 



COMPARATIVE ZOOLOGY. 



FIG. 193. Jelly-flsL (Pelagia noctiluca). Mediter- 

 ranean. 



FIG. 194. Portuguese man- 

 of-war (Physalia), % natu- 

 ral size. Tropical Atlantic. 



FIG. 195 Jelly-fish (Aurelia aurita), with young in various stages. 



