352 



Evolution, in plant kingdom, 



339; 



theories, 333. 

 Exactness, 27. 

 Experimentation, 7. 



Fall work, 82, 85, 87, 92, 95, 

 99, 102, 104, 118, 120, 124. 

 Ferns, 343. 

 Fertilization, 340, 347. 



misconception, 322. 

 Fertilizers, 302. 

 Fifth-grade work, 95, 131. 

 First-grade work, 82, 107. 

 Flicker, 112. 

 Flowering plants, 346. 

 Flowers, 346. 



wild, 93, 191. 

 Food, 82, 83, 84, 85, 86. 



manufacture, 296. 

 Forage plants, 147. 

 Fourth-grade work, 92, 124, 



126, 129. 

 Fungi, 105, 224. 



Gametes, 340. 

 Gametophyte, 342. 

 Garden, rural school, 203. 



school, 314. 



work, 86, 87, 90, 92, 93, 95, 

 97, 99, 100, 102, 103, 104, 

 105,118,120, 126, 144, 318. 

 Garden bulbs, 186. 

 Germination, 249. 

 Gooseberry, 126. 



worm, 129. 

 Grades, primary, 76. 



grammar, 79. 



first, 82, 107. 



second, 85, 109. 



INDEX 



Grades, third, 87, 112, 115, 



I l8, I2O, 122. 



fourth, 92, 124, 126, 129. 



fifth, 95, 131. 



sixth, 99, 136. 



seventh, 102, 140, 144, 207. 



eighth, 104, 147, 149, 207. 

 Grammar grades, 79. 

 Grape, 144. 

 Grasshoppers, 173. 

 Grub, white, 220. 



Heat, effect on bodies, 241. 

 Heating, methods of, 244. 

 Heterospory, 345. 

 Home experiments, 253. 

 Horse, 86. 

 Humus, 301. 



Independence, 26. 

 Individual work, 52. 

 Inference, 36. 

 Initiative, 8. 

 Inquiry, 65. 



Insects, observations, 88, 91, 

 92, 94, 96, 98, 99, 101, 

 102, 103, 104, 106, 115, 

 124, 129, 136, 140, 149, 

 217. 



study, 172. 

 water, 197. 

 Interest, 21, 26, 34. 

 latent, 6. 



Lamarck, 334. 



Land habit, 341. 



Lawns, 97, 131. 



Light, and food manufacture, 



296. 

 Liverworts, 341. 



