Originally published by the Bureau of Fisheries of the U. S. Department of Commerce in 1922, this may be the only book ever published on the operation of commercial aquariums. At the time of original publication the author, Charles Haskins Townsend was Director of the New York Aquarium. The writer has had long experience in the management of the aquarium in New York City and has assisted in planning certain aquariums already built as well as others...