458 NATURE-STUDY 



cap of mushroom under a bell-glass and examine in a few 

 days for decay. Note great number of maggots in the mass. 

 Later, these may develop into a kind of fly. Discuss the 

 metamorphism of the maggot. Why are flies objection- 

 able ? How do we protect ourselves ? Flies as carriers of 

 disease. How? There are many kinds of flies. (33, 34, 

 47, 143, 136, 148.) 



Comparative study of the grasshoppers,* crickets, and 

 green grasshoppers.* Study essentials and compare and 

 classify. Refer to injury done by grasshoppers. Review life 

 history. (References as the last.) 



Observe plant lice, squash-bugs, potato beetle, rose beetles, 

 tent caterpillars, and note the harm done by each. Destroy 

 the nests of the tent caterpillar. On what kinds of trees 

 are they chiefly found? (47, 93.) Make a collection of 

 pond insects and other creatures for the aquarium. Pro- 

 tective coloration of green grasshoppers, locusts, bark colored 

 moths. (132, 136, 129, 47, 54, 33, etc.) 



SALAMANDERS AND SNAKES: Bring in spotted salaman- 

 ders,* newts, garter snakes, and keep them in appropriate 

 cages. Feed them. Observe actions and general appear- 

 ance. Salamanders are not lizards. Why? They are 

 harmless. Distinguish amphibians and reptiles. Study 

 life history of salamander and snake. Make brief study of 

 rattlesnake. Where is the poison ? Where are these snakes 

 found? What is the rattle for? (33, 34, 17, 35, 26.) 



PLANTS. 



GARDENING: Put garden in order after the summer. 

 Observe the growth of the biennials * set out last spring. 

 Collect seeds. Put in labelled packages. Give away and 



