INDEX 



433 



Blood cell, 189. 



Blood serum, 345. 



Boa constrictor, skull of, 289. 



Bodily heat, effect of alcohol on, 398; 



how produced, 348; 



regulation of, 397 ; 



relation to work, 396. 

 Body, a machine, 317. 

 Bone, structure of, 375, 376; 



fracture of, 379 ; 



microscopic structure of, 377 ; 



substances present in, 376. 

 Bone-making cell, 189. 

 Botany defined, 11. 

 Brain, action of parts of, 407; 



effect of alcohol upon, 410; 



of frog, 402 ; 



of man, 404, 407 ; 



necessity of food, rest, and fresh 

 air to, 410; 



necessity of sleep to, 410. 

 Breathing, hygienic habits of, 388; 



mechanics of, 382 ; 



rate of, in man, 383; 



relation of exercise to, 389; 



relation of tight clothing to, 388. 

 Bruises, treatment of, 360. 

 Bryophytes, 151, 156. 

 Buccal cavity, in frog, 331; 



in man, 332; 



openings from, 334. 

 Bud, defined, 100; 



effect of, on shape of tree, 102; 



lateral, 102; 



opening of, 101, 105; 



protection of, 105; 



structure of, 100, 101; 



terminal, 102. 

 Budding, 116; 



in yeast, 166. 

 Budding hydra, 195. 

 Bugs, characteristics of, 246; 



economic importance of, 247. 

 Bulb, 119. 



Bumblebee, 37, 39, 249. 

 Burns, treatment of, 398. 



Calorimeter, Atwater's, 320. 

 Calyptra, 157. 



hunter's BIOL. — 28 



Calyx, 31. 



Camlnuni, 109. 



Cap of mushroom, 102. 



Capillaries, changes in blood in. 356; 



passage of food through walls of, 

 355, 358; 



position of, 355. 

 Capsule, 54; 



of moss, 157. 

 Carbohydrates, 21, 318. 

 Carbon, 17. 



Carbon dioxide, in photo8ynthc•^i.s, 

 131; 



test for, 18. 

 Carnivora, economic importance of, 

 314; 



examples of, 312; 



skull of, 313. 

 Carp, anatomy of, 273. 

 Carpel, 31. 

 Cecropia moth, 237. 

 Cell, animal, 27; 



as a unit, 183; 



defined, 25; 



example of plant (yeast), 166; 



parts of, 25, 26; 



sizes and shapes of, 27. 

 Centiped, poisonous, 257. 

 Cephalopods, 267. 

 Cephalothorax, 215. 

 Cercariae, 213. 

 Cerebrum, function of, 406; 



position of, 405. 

 Chelipeds, 215, 220. 

 Chemical element, defined, 15. 

 Chemistry, defined, 15. 

 Chestnut, 55. 



Chimney swift, nest of. 298. 

 Chlorophyll bodies in plioto>ynthesLs 



130. 

 Chloropla.'^ts, 130. 

 Chromo.*!omes, 25. 

 Cicada, Hfe history of, 247. 

 Cigarettes, j)oi.><ons in. .vs?. 

 Cilia, on paranid'ciuin. 180. 

 Circuhition. effeet of nicoliol on, 360; 



effect of exorcise on. 360; 



in frog, 350. 351 : 



in frog's foot, 353, 354. 



