. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. A partially completed orb-web. , the temporary spiral stay line; b, the sticky spiral line; c, the fragments of the tem- porary spiral hanging to a radius. Comstock's Manual. 3. How does it make the first radius? 4. How does it make the other radii and select the point which is to be the center of the web? 5. How does it keep the line which it is spinning clear of the line it walks upon? 6. After the radii are all made, are they fastened at the center? 7. How and where does the spider
. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. A partially completed orb-web. , the temporary spiral stay line; b, the sticky spiral line; c, the fragments of the tem- porary spiral hanging to a radius. Comstock's Manual. 3. How does it make the first radius? 4. How does it make the other radii and select the point which is to be the center of the web? 5. How does it keep the line which it is spinning clear of the line it walks upon? 6. After the radii are all made, are they fastened at the center? 7. How and where does the spider first begin to spin a spiral ? Are the lines of this spiral close together or far apart? For what is the first spiral used? 8. Where does it begin to spin the permanent spiral? Where does it walk when spinning it? By the way it walks on the first spiral, do you think it is sticky and elastic? What does it do with the first spiral while the second one is being finished? 9. If the center of the web has a zigzag ribbon of silk, when was it put. The zii^cag strength- ening band at center of an orb-web. 10. How many minutes did it take the spider to complete the web? Supplementary reading—"Argiope of The Silver Shield," Insect Stories, 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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