7. A true or scyphozoan Jellyfish, Dacti/lo- 

 metm pacifica, whose lovelv appearance be- 

 lies the danger of its stringing threads. Some 

 members of this genus can cause illness or 

 death. (Sagami Bay, Japan. Y. Fukuhara) 



8. The Portuguese man-of-war, Plaj.salia, 

 was probably named b)' English sailors who 

 first sighted its floating bladder, up to a foot 

 or more long, in Portuguese waters. The 

 trailing tentacles of this coelenterate usuallv 

 ensnare fishes and can inflict fatal stings on 

 swimmers. (Florida. Charles Lane) 



