. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Insect Study 2>^3 J a creature orld. ; compound, e made up y of larvae, n cell. The 3 an instance Jls made by ds are open above the ;af; thehttle 1 witch-hazel f these. In fact, each gall has ular history, which proves a ig story if we seek to read it eyes. .ESSON LXXIX HE Gall-dwellers. mght—^The galls are protective Mossy rose-gall. >T the little insects which dwell Comstock's Manual, Each kind of insect makes its gall on a certain species of plant, and no one understands is d
. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Insect Study 2>^3 J a creature orld. ; compound, e made up y of larvae, n cell. The 3 an instance Jls made by ds are open above the ;af; thehttle 1 witch-hazel f these. In fact, each gall has ular history, which proves a ig story if we seek to read it eyes. .ESSON LXXIX HE Gall-dwellers. mght—^The galls are protective Mossy rose-gall. >T the little insects which dwell Comstock's Manual, Each kind of insect makes its gall on a certain species of plant, and no one understands is done or why it is so. ^sk the pupils to bring in as many of these galls as possible, ae have open doors and some are entirely closed. Cut open e what sorts of insects are found within it. Place each kind of gall in a tumbler or jar covered with cheese- cloth and place where they may be under observation for perhaps several months; note what sort of winged insect comes from each. Observations — i. On what plant or tree did this gall grow? Were there many like it? Did they grow upon the root, stem, leaf, flower, or fruit? If on the leaf, did they Porcupine gall on Section cf same Female gall- ? . +L u^ A ^ leaf of white oak. showing cells. fly /ayiwg •"-'^^ ^'^'-"^'-'^''•'^^• Phc,to by C. J. Triggerson. eggs in oak 2. \Yhat is the bud. shape of the little. 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 Comstock, Anna Botsford, 1854-1930. Ithaca, N. Y. , Comstock Publishing Company
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