248 



COMPARATIVE ZOOLOGY. 



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

 raueau. 



FIG. 194. Portuguese Man- 

 of-war (Physalia), | natu- 

 ralsize. Tropical Atlantic. 



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



