. Zoological Society bulletin . ARIUM. THE small aquarium as an object of interestand decoration in the house has become socommon that its presence no longer attractsspecial comment. The custom of keeping suchaquaria is, however, of comparatively recentorigin. Goldfishes have been kept and bred bythe Chinese and other oriental peoples for sev-eral centuries, though, to be sure, this was most-ly done in small out-door pools in the gardens. The balanced aquarium has been clearly de-fined by Mr. Henry D. Butler, in a book en- titled The Family Aquarium (New York, 1858),in the following terms: The
. Zoological Society bulletin . ARIUM. THE small aquarium as an object of interestand decoration in the house has become socommon that its presence no longer attractsspecial comment. The custom of keeping suchaquaria is, however, of comparatively recentorigin. Goldfishes have been kept and bred bythe Chinese and other oriental peoples for sev-eral centuries, though, to be sure, this was most-ly done in small out-door pools in the gardens. The balanced aquarium has been clearly de-fined by Mr. Henry D. Butler, in a book en- titled The Family Aquarium (New York, 1858),in the following terms: The aquarium is a re-ceptacle for aquatic animal and vegetable lifein fresh or salt water, which need never bechanged. The old-fashioned fish globes werenot aquaria in the proper sense, because it wasabsolutely necessary to change the water in thempretty frequently, lest the fish die. The vital-ization of the water without this change com-prehends the leading principle of the the failure to grasp the principle. FRESH AND SALT-WATER BALANCED AQUARIA IN THE NEW YORK salt-water jars are near the windows, the fresh-water ones beneath skylights. These aquaria have been much used for observation by public school teachers and their classes. 840 ZOOLOGICAL SOCIETY BULLETIN. * ■ t. im
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1901
