ZOOLOGICAL GARDENS 



plants, and by means o£ curious changes of 

 structure finally become suited for flying in 

 the air. 



Fresh-water animals and plants are modified 

 descendants either of marine or terrestrial or- 

 ganisms, and it is intended to exhibit this 

 striking but rarely considered fact by series of 

 living objects side by side. Even the steps of 

 the transformations by which certain shrimp- 

 like, brine-inhabiting animals become fitted for 

 living in fresh water can be directly exhibited 

 in a series of aquaria. The educational value 

 of such displays, which have not, so far as we 

 know, been attempted in similar popular ex- 

 hibitions, is obvious. 



This division of the Garden does not require 

 strict limitation, and there will be room enough 

 to make the display of animals sufficiently ex- 

 tensive to include not a few of such tropical 



AQUARIA FOR BOSTON 



21 



and subtropical forms as will bear a winter 

 confinement ; and nothing short of the neces- 

 sary public support need prevent this division 

 from becoming not only the first in New Eng- 

 land but one of the most important in the 

 world. 



