INDEX 



543 



Kallima, 244. 

 Katydid, 234. 

 Killing insects, 180. 

 Kingbird, 122. 

 Kingfisher, 113. 

 Knotweed, 349. 



Laboratory for grades, 484. 



Lacey act, 138. 



Ladybug, 227. 



Lady's-slipper, 226. 



Lapland longspur, 133. 



Layering, 288. 



Leaf-scar, 313. 



Leather, 79. 



Leaves, function, 313; modified, 



320, 480. 

 Leech, 255. 

 Lepidoptera, 198. 

 Lesson plan, 25. 

 Levers, 469. 

 Lice, 214. 

 Lichen, 392. 

 Light, 486, 499. 

 Light and leaves, 318, 320, 340. 

 Lighting, 427. 



Literature and nature-study, 62. 

 Liverwort, 391. 

 Living creatures for illustrations, 



35. 46- 

 Lizard, 160. 

 Lobster, 252. 

 Locust, 184, 222, 429. 

 Lumbering, 505. 

 Luna moth, 242. 



Machines, 454. 



Magnet, 455. 



Magnetism, 500. 



Malaria, 213. 



Mammal lessons. Chap. XX, 



446. 

 Man, history of civilization, 502. 

 Maple sugar, 423. 

 Marble, 454. 

 Marchantia, 314. 

 Martin, 145. 

 Meal-worm, 201. 

 Metals, 438. 455. 468, 485, 487- 

 Microgaster, 228. 



Migration, birds, 91, 116, 415, 428, 

 489; butterflies, 238; plants, 340. 



Milk, pure, 439. 



Milkweed butterfly, 197, 237. 



Milkweed, seed, 348. 



Millinery plumage, 123, 133. 



Millipedes, 250. 



Mimicry, butterflies, 238; insects, 243. 



Minerals, 438, 468, 485. 



Minnows, 173. 



Mocking-bird, 109. 



MoUusks, 253. 



Monarch butterfly, 197, 237. 



Morning-glory, 341, 342. 



Mosquitoes, 211,429,496; culex, 213; 

 extermination, 214; malaria, 213. 



Moss, 390, 475, 503. 



Mother-of-pearl, 255. 



Moths, 198, 236, 416. 



Moulds, 476, 495. 



Moulting, birds, 107; insects, 188. 



Mourning-cloak, 236. 



Movements of plants, 338, 496. 



Mud-puppy, 152, 160. 



Muscles, 428. 



Museum, 43. 



Mushrooms, 367, 392, 476, 492. 



Naturalist, the, 49, 83. 



Nature readers, 64; reference list, 

 see Appendix. 



Nature-study, aesthetics, 14, 58; 

 correlation, 53 ; cultural value, 1 5 ; 

 culture-epoch theory, 10; curi- 

 osity, 6; educational value, 8; 

 ethical value, 18, 259; illustrative 

 material, ^2'' imagination, 11; 

 method of presentation, 21; mo- 

 tive, 3; reason, 11; social aspect, 

 3; utility, 12. 



Necturus, 152. 



Nests, 92, no. 



Net, insect, 180. 



Newt, 160. 



Night-hawk, 109, no, 118, 122. 



Nightingale, 109. 



Note-book, 484. 



Nuthatch, 112, 119, 120, 143. 



Nuts, 352. 



Nymph of dragon-fly, 190. 



