INDEX 



543 



Kallima, 244. 

 Katydid, 234. 

 Killing insects, 180. 

 Kingbird, 122. 

 Kingfisher, 113. 

 Knotweed, 349. 



Laboratory for grades, 484. 



Lacey act, 138. 



Lady bug, 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. 



Mollusks, 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, 15; 

 culture-epoch theory, 10; curi- 

 osity, 6; educational value, 8; 

 ethical value, 18, 259; illustrative 

 material, 33; imagination, n; 

 method of presentation, 21; mo- 

 tive, 3; reason, n; social aspect, 

 3; utility, 12. 



Necturus, 152. 



Nests, 92, no. 



Net, insect, 180. 



Newt, 1 60. 



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



Nightingale, 109. 



Note-book, 484. 



Nuthatch, 112, 119, 120, 143. 



Nuts, 352. 



Nymph of dragon-fly, 190. 



