540 



NATURE-STUDY 



Bluebird, io8, 112, 117, 119, 122, 



145- 

 Bluejay, 119, 120, 122, 126. 

 Bobolink, 112, 119, 120, 124. 

 Bones, 428. 

 Borers, 217. 

 Boxelder, 331. 

 Breathing pores, 314. 

 Breeding of farm animals, 507. 

 Brook, 408, 413. 

 Budding, 290. 

 Buds, 311. 

 Bud scales, 311. 

 Bugs, 192. 



Building stones, 485. 

 Bulbs, 280, 286, 310, Chap. XX. 

 Bullhead, 174. 

 Bumblebees, 227, 417. 

 Burs, 349. 



Butterfly, 194, 236, 416, 429. 

 Butternut, 331. 



Cabbage butterfly, 196, 216, 236, 



428. 

 Cage-birds, 123. 

 Calendar, bird, 90, 433, 449. 

 Cambium layer, 359, 306. 

 Camel, 462. 

 Canary, 108, 115, 428. 

 Canker-worm, 244. 

 Carbon, 455. 



Carbon-dioxide, 455, 470. 

 Cardinal, Kentucky, 165. 

 Carp, 174. 

 Cassowary, 103. 

 Catbird, 84, 120, 122, 124. 

 Caterpillar, 416, 428. 

 Catkins, 330. 

 Cecropia, 240. 

 Cedarbird, 124. 

 Centipedes, 250. 

 Cereals, 353, 444, 456. 

 Chalcis-fly, 228. 

 Chameleon, 161. 



Chemistry lessons, 455, Chap. XX. 

 Chickadee, 112, 119, 120, 122, 143 



221. 

 Chicken, 106, 109, no, 115, 122, 



145. 409- 

 Chlorophyll, 315, 479. 



Cicada, 234, 442. 



Clam, 254. 



Classification, 11, 27, 76, 446. 



Clay, 437. 



Cleanliness, 471. 



Clearwing moth, 240. 



Clothes-moth, 215. 



Clothing, 404, 427. 



Clouded sulphur butterfly, 236. 



Clover, red, 227. 



Coal, 453. 



Cockle-bur, 350. 



Cockroach, 215. 



Cocoon, 201, 405, 416, 428. 



Codfish, 173. 



Coddling moth, 219, 472. 



Cold frame, 275. 



Coleoptera, 199. 



Collecting, 43, 136, 166, 168, 176. 



Coloration, protective' Birds, 104; 

 insects, 243; toad, 158. 



Colors of foliage, 362. 



Combustion, 470. 



Comma butterfly, 237. 



Comparison, 11, 15, 27, 76. 



Compass, magnetic, 427. 



Competitive gardening, 292, 448, 

 462. 



Composites, 332, 347. 443. 474, 5°3. 

 509- 



Condensation, 412, 427. 



Conduction, 438. 



Conifers, 362, 363, 408, 420, 462. 



Contagion, 471. 



Convection, 454, 470. 



Conversational method, 23. 



Copepods, 251. 



Coral, 256, 453, 477. 



Corn, 309. 



Cornstalk, 306. 



Correlation, 53; with art, 57; with 

 expression, 22, 53; with geog- 

 raphy, 54; with literature, 62. 



Cotton, 420. 



Cotton boll-weevil, 228. 



Cottonwood, 330, 349. 



Course of study, 399. 



Courtship of birds, 107. 



Cow, 79, 406, 461, 493. 



Cowbird, 115, 120, 122. 



