AN EXTEMPORE AQUARIUM. 269 



plished this, we left our new vivarium to the surge, 

 which now came rolling in. 



The plan succeeded well. Eevisiting our tank 

 when the retreating tide had ebbed sufficiently, we 

 found the cover undisturbed, and, on removing it, the 

 water clear and pure, fit to receive whatever speci- 

 mens the coast afforded. These were soon obtained, 

 and many a happy hour we passed upon that rocky 

 seat, contemplating the various beauteous forms 

 whose history we now must hasten to describe. 



