. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. 364 Handbook of Nature-Study house? What is its color? Its size? Is it smooth or wrinkled on the outside? Is it covered with fuzz or with spines? 3. Open the gall; is there an insect within it? If so, where is it and how does it look? What is the appearance of the inside of the gall? 4. Is there a cell for the insect at the very center of the gall, or are there many such cells ? 5. Has the house an open door? If so, does the door open above or below? Are there more than one insect in
. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. 364 Handbook of Nature-Study house? What is its color? Its size? Is it smooth or wrinkled on the outside? Is it covered with fuzz or with spines? 3. Open the gall; is there an insect within it? If so, where is it and how does it look? What is the appearance of the inside of the gall? 4. Is there a cell for the insect at the very center of the gall, or are there many such cells ? 5. Has the house an open door? If so, does the door open above or below? Are there more than one insect in the galls with open doors? What sort of in- sect makes this kind of house? 6. Do j^ou find any insects besides the original gall-maker within it? If so, what are they doing? 7. Of what use are these houses to their little inmates? How do they pro- tect them from enemies? How do they furnish them with food? 8. Do the gall insects live all their lives within the galls or do they change to winged insects and come out into the world? If so, how do they get out? 9. How many kinds of galls can you find upon oaks? Upon goldenrod? Upon witch-hazel? Upon willow? Supplementary reading—Outdoor Studies, Needham, pages 18 and 37; "Houses of Oak," in Insect Stories, Kellogg; Manual for the Study of Insects. A green little world With me at its heart / A house grown by magic. Of a green stem, a fart. My walls give me food And protect me from foes, I eat at my leisure. In safety repose. My house hath no window, 'Tis dark as the night! But I make me a door And batten it tight. And when my wings grow I throw ivide my door; And to 7ny green castle I returii Stem of golden-rod, showing the spherical gall above, made by larva of a fly; and the spindle- shaped gall below, made by the caterpillar of a Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustration
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