64 SCIENCE FROM AN EASY CHAIR 



An account of the Philadelphian jelly-fish and of other 

 fresh-water jelly-fishes, with illustrative plates, will be 

 found in the Quarterly Journal of Microscopical Science, 

 1906. Mr. Charles Boulenger has, in the same Journal, 

 1908, described yet another fresh- water jelly-fish from the 

 Fayoum Lake in Egypt. 



