36 HALF-HOURS IN THE GEEEN LAKES. 



old one ! Cutting a hydra to pieces not only did it 

 no injury, but actually conferred a benefit, for each 

 fragment budded into a distinct animal ! Lately, 



Fig. 52. 



Development of Foot-stalk of Hydra, magnifip<t 



fe\v men have devoted so much attention to our 

 English hydras as Mr. James Fullagar, of Canter- 

 bury. That gentleman has kept hydras for years, 

 and his observations upon them are very interesting. 



