430 NATURE STUDY. 



or two definite points for investigation, and report each 

 day, such as : 



Exactly how do they move ? How climb on the net- 

 ting ? How many legs ? How used ? 



How do they eat ? How does their eating compare with 

 ours ? 



How and where do they spin ? How climb up the glass 

 cases ? 



How does the caterpillar change to the chrysalis ? 



Relation to Environment. By whom discovered ? Where 

 found ? On what feeding ? How ? Lead children to tell 

 all that they have seen about this kind of caterpillar. 



Habits and Structure. 



Body. Shape, length (measure), rings (segments), and 

 their markings and number. There are twelve segments, 

 besides the head; segments two to eleven being each marked 

 by a narrow black transverse band, bordered before and 

 behind with white. 



Movements. How do they crawl ? This can be seen by 

 putting them on a stalk of a leaf or of grass, or by watch- 

 ing them crawl on glass. Watch the movements of the 

 feet. How many ? Eight pairs. Fastened to which rings 

 (1, 2, 3, not counting the head, 6, 7, 8, 9, 12). Notice the 

 two kinds of legs, the first three pairs black, shiny, slender, 

 and pointed, jointed (difficult to see); the other five pairs, 

 soft thick pads, each divided in the middle. Study the 

 large feet best seen when crawling on glass or netting 

 and their working and use. How do they crawl ? With 

 which feet fasten themselves ? How ? 



Notice movements of the hairlike projections near the 

 head. For what do they use them ? 



Feeding. Keep them without food over night and feed 

 just before children are to watch them. Notice how they 



