The Bookshelf for boys and girls: Nature and Outdoor Life (1912)
University Society, New York · New York. : University Society · leaf 95
heese-cloth. The water need not be changedif stocked with the water-plants and with onlysuch insects as are found in still ponds. The food may consist of flies and very smallpieces of raw meat, and it requires care to seethat the food does not remain and decay but isall eaten. A few days experience… … THE HOME OF DAPHNIA AND CYCLOPS.One each of the tiny forms enlarged (within the circle). small an amount of food one insect will eat.Ordinary goldfish furnish a convenient compari-son. Most young folks will recall how very few AN EXCELLENT HUNTING PLACE FORSTOCK FOR THE AQUARIUM. he smaller black…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
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