. Nature-study; a manual for teachers and students. Nature study. i8o NATURE-STUDY. ground spiders, and beetles. In the attic we find mori spiders, on the rafters the homes of the mud-wasps and th( paper-wasps. In the clothes-press, perhaps, there are moths Under the carpets are the carpet beetles. Flies and mosquitoes are hard to keep out of the house Ants invade the pantry. All these creatures come into the house it spite of the housewife's care anc cleanliness. But if she is not sc cleanly there may be cockroaches fleas, and other more undesirable Fig. 40. insect-Net ^j^(j jggg mentionablc


. Nature-study; a manual for teachers and students. Nature study. i8o NATURE-STUDY. ground spiders, and beetles. In the attic we find mori spiders, on the rafters the homes of the mud-wasps and th( paper-wasps. In the clothes-press, perhaps, there are moths Under the carpets are the carpet beetles. Flies and mosquitoes are hard to keep out of the house Ants invade the pantry. All these creatures come into the house it spite of the housewife's care anc cleanliness. But if she is not sc cleanly there may be cockroaches fleas, and other more undesirable Fig. 40. insect-Net ^j^(j jggg mentionablc insects. '< So there should be no difficulty in finding and coUeqt ing insects for nature-study. For this purpose the pupil: should be provided with nets. The older pupils can mak( their own. An insect-net should be made of some light poroui cloth, such as muslin, cheesecloth, or mosquito bar, made ir the form of a sac about ten inches in diameter and abou twice as long, fastened to a wire loop which is securely at tached to a stick about four or five feet long. 1 1 The dip-net may be smaller and should have a finei mesh. It is emptied by turning it in- side out. Aquatic insects, to be kept alive, must be carried in water in pails or bottles. Cans, paper boxes, and bottles serve to bring back alive land insects for the school-room cages. But if the insects are to be mounted, they are immediatel; killed by placing them in the cyanide bottle. Each pupil ii the higher grades should have one of these. Take a wide TO I sow Fig. 41. Cyanide 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 Holtz, Frederick Leopold, 1870-. New York, C. Scribner's Sons


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