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SALAMANDRID.E. 



plant for the purpose is the Polygonum persicaria, which is 

 ordinarily chosen by the animal in its natural habitat. A 

 large glass globe is a good vessel for the purpose of observ- 

 ation ; but if it be wished to employ a larger one, I may be 

 allowed to recommend the largest sized foot-bath made of 

 white ware. This vessel I have often used for keeping 

 many aquatic animals ; and if a layer of Roman cement 

 be placed at the bottom, and a few pebbles, or a stone of 

 sufficient size be fixed by the cement at one end, the ob- 

 jection to the slipperiness of the vessel w^ill be obviated, 

 and the animal will also have the opportunity of coming 

 above the surface at pleasure. 



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