INDEX 



421 



Brain, of man, 351. 

 Bread, making, 139; 



mold, 133. 

 Bream, 233. 

 Breathing, 333 ; 



and tight clothing, 339 ; 



hygienic habits, 338 ; 



in leaf, 93 ; 



of fish, 234 ; 



of frog, 242 ; 



of vertebrates, 232 ; 



rate of, 334. 

 Breeding of animals, 259. 

 Bright's disease, 346. 

 Bronchi, 330. 

 Bronchial tubes, 330. 

 Bruises, 345. 

 Bryophytes, 176. 

 Bubonic plague, 227. 

 Budding, 255, 256. 

 Bumblebees, 37. 

 Burbank, Luther, 406. 

 Burns, treatment of, 345. 

 Butter and eggs, 38, 39. 



Calorie, portion, 286 ; 



requirement, 282. 

 Calyx, 35. 

 Cambium layer, 98. 

 Canning, 145. 

 Cannon, Prof., 304. 

 CapiUaries, 318, 323 ; 



circulation in, 322 ; 



of fish, 236. 

 Carbohydrates, 60, 273. 

 Carbolic acid, 149. 

 Carbon and oxygen cycle, 161. 

 Carbon dioxide, test for, 64. 

 Care of milk supply, 380, 383. 

 Carnivorous, 230. 

 Caudal fin of fish, 233. 

 Cause of dyspepsia, 310. 

 Cells, 50; 



as units, 171 ; 



division, 51 ; 



mucous, 299 ; 



of pond scum, 173 ; 



reproduction of, 50 ; 



respiration, 332 ; 



Cells, tissue, 179; 



work of, 270. 

 Cephalothorax, 185. 

 Cerebellum, 352. 



Cerebro-spinal nervous system, 350. 

 Cerebrum, 351. 

 Cestodes, 227. 

 Changes, of blood in lungs, 330 ; 



of air in lungs, 331. 

 Characters, determiners of, 258. 

 Chelonia, 188. 

 Chemical, compounds, 20 ; 



elements, 20 ; 



of human body, 21. 

 Chestnut canker, 131. 

 China, deforestation in, 108. 

 Chittenden table, 311. 

 Chloral, 293. 



ChlorophyU bodies, 50, 90. 

 Chloroplasts, 90. 

 Chromosomes, 50 ; 



and heredity, 251. 

 Chrysalis, 33. 

 Cilia, 171. 

 Circulation, effect of alcohol, 327 ; 



effect of exercise, 326 ; 



effect of tobacco, 328 ; 



in fish, frog, man, 321, 322; 



in stem, 99, 100, 101 ; 



of blood of man, 318 ; 



of fish, 236 ; 



of frog, 243 ; 



portal, 322 ; 



pulmonary, 320; 



systemic, 320. 

 City's need for trees, 115. 

 Civic hygiene, 388. 

 Clams, 200. 

 Classification, of birds, 191 ; 



of plants, 176. 

 Cloaca of frog, 243. 

 Clothing, 203. 

 Clotting of blood, 314. 

 Coal, 64. 

 Cobra, 230. 

 Cocaine, 293. 

 Coccus bacteria, 142. 

 Cochineal and lac, 208. 

 Cochlea, 359. 



