. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Other Invertebrate-Animal Study 10. How does the spicier make fast an insect ? Does it bite the insect before it envelops it in silk? Where does it carry the insect to feed upon it? 11. How does the spider manage to run about its web without becom- ing entangled in the sticky thread ? How often does the orb-weaver make a new web ? How an Orb-web is Made Spiders may be seen mak- ing their webs in the early morning or in the evening. Find an orb-web with a spider in attendance; break th
. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Other Invertebrate-Animal Study 10. How does the spicier make fast an insect ? Does it bite the insect before it envelops it in silk? Where does it carry the insect to feed upon it? 11. How does the spider manage to run about its web without becom- ing entangled in the sticky thread ? How often does the orb-weaver make a new web ? How an Orb-web is Made Spiders may be seen mak- ing their webs in the early morning or in the evening. Find an orb-web with a spider in attendance; break the web without frightening the spider and see it replace it in the early evening, or in the morn- ing about daybreak. An orb- weaver may be brought into the house on its web, when the web is on a branch, and placed where it will not be disturbed, and thus be watched at leisure. Observations—i. How does the spider manage to place the supporting line be- tween two points ? 2. How does it make the framework for holding the web in place?. 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. Please note that these i
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