308 



V. S. BUREAU OF FISHEEIES 



methods and equipment. Some of the cities that established aqua- 

 riums sent architects, having in mind chiefly an attractive building, 

 without considering in the least what the region in questions afforded 

 in the way of exhibits, how extensive such exhibits were to be, or with- 

 out realizing that an aquarium with marine as well as fresh-water 



collections requires a complicated mechanical equipment. Some of 

 the aquariums that were founded eventually depend for their tropical 

 exhibits upon exchanges with the New York Aquarium. 



The first points to be determined are those connected with the 

 living exhibits, whether they are to consist of fresh-water or marine 



