. Animal activities; a first book in zoo?logy. Zoology; Animal behavior. MATERIAL FOR STUDY. 21 night in warm places where there is a plentiful supply of household food. A sugar-refinery often furnishes an abundant supply of these insects. They may be kept alive as in the case of grasshoppers. With a few obvious changes in the directions and questions, the cockroach may be substituted for the grasshopper in studying Chapter III. Butterflies and Moths. Although adult forms of these insects are not abundant in cold weather, their eggs, cocoons, and chrysalids are easily obtained. In late winter
. Animal activities; a first book in zoo?logy. Zoology; Animal behavior. MATERIAL FOR STUDY. 21 night in warm places where there is a plentiful supply of household food. A sugar-refinery often furnishes an abundant supply of these insects. They may be kept alive as in the case of grasshoppers. With a few obvious changes in the directions and questions, the cockroach may be substituted for the grasshopper in studying Chapter III. Butterflies and Moths. Although adult forms of these insects are not abundant in cold weather, their eggs, cocoons, and chrysalids are easily obtained. In late winter or early spring pupils should collect speci- mens of the large mourning-cloak butterfly (Vanessa. Fig. 30.—Mourning-cloak Butterfly (Vanessa antiopa). antiopd), which shows the wear due to its winter sleep, and is ready to produce eggs for the summer brood. The eggs may be reared, the larvae feeding on leaves of willow or birch. On apple- and cherry-trees may be found the eggs of the tent-caterpillar moth. These eggs are glued to the stem in a mass. The large grayish-brown cocoons of the Cecropia moth are often found on pear-trees or other fruit-trees. Eggs, cocoons, and chrysalids should be brought to the schoolroom and placed under such conditions that hatching and growth may be Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original French, Nathaniel Stowers, 1854-. New York [etc. etc. ] Longmans, Green and Co
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