Index 



651 



cerebellum, 431-432, 436, 619 



cerebrum, 431-432, 619, (432) 



cesspool, 53, 59, 619 



chalk, 294, 322 



charcoal, 27, 84, 89, 91, 93, 619 



charging, 204, 205, 206, 208-211, 619, 



(211) 

 check, or control, 62, 336, 406, 442- 



443, 508, 509, 510, 621 

 chemical, 



action, 24, 82, 208, 619 



change, 16, 372, 619 



energy, 208, 211 



property, 14, 24, 35, 619 



union, 24, 30 

 chemistry, 6, 619 

 chest, 37, 341 

 child labor, 475 

 child welfare, 473 

 chimney, 101, 104-105, 112, (105) 

 china, 302 



chlorination, 56, 619 

 chlorine, 28, 56, 463, 619 

 chocolate, 377-378, 530 

 cholera, 58 



choroid coat, 187-188, 619, (188) 

 chromium, 28 

 chromosphere, 151, 619 

 chronometer, 277, 548, 619 

 chyle, 403, 619 

 chyme, 402-403, 619 

 cilia, 319-320, 342, 455, 471, 619, 



(319) 

 circuit, electric, 208, 217, 232, 236, 



266, 582, 619 

 circulation, 619 



in plants, 496 



of blood, 328, 335, 339-340, 341, 

 416-423, (420) 

 importance of, 339, 416, 422 



of protoplasm, 312, 320, 322, 492 

 circulatory system, 416-421, 620, 



(420) 



cirrus clouds, 126, 128, 620, (126) 

 civil day, 159, 620 

 clay, 301-302, 620 

 cleansing agents, 62-63 

 Clermont, 272 

 climate, 118, 119, 620 



causes of, 119, 120 



effect of water on, 47-48, 120 

 climatic regions, 145-146 



clinical thermometer, 87, 620 



clothing, 62-63, 330, 469 



clotting of blood, 417-418, 424, 483, 

 620 



clouds, 46, 68, 122, 136, 620 

 cirrus, 126, 128, 620, (126) 

 cumulus, 125, 128, 621, (725) 

 nimbus, 128, 129, 633, (128) 

 stratus, 127, 128, 129, 641, (127) 



clutch, 265 



coagulation, 370, 417, 620 



coal, 19, 81, 84, 85, 89, 90-91, 93, 



259, 273, 516, 594, 620, (90) 

 anthracite, 90, 93, 616 

 bituminous, 85, 91, 93, 617 



coal gas, 89, 92, 278 



coal tar, 385, 531 



cocaine, 386, 395, 620 



cochlea, 175, 176, 620, (175) 



cocoa, 377-378, 530 



code, Morse, 218-219, 632, (219) 



codein, 385, 620 



coffee, 377-378, 530, 620 



coke, 84, 89, 91, 93, 620 



cold air inlet, 108, 349 



colds, 347, 470, 471, 599 



cold storage, 61, 445, 447 



cold waves, 135, 140 



color, 181-182, 584 



colors, primary, 182, 186, 582, 636 

 spectrum, 186, 640 



combustible substances, 84, 91 



combustion, 23, 35, 83-84, 340, 620 

 spontaneous, 85, 96, 640 



comets, 150, 620 



communicable diseases, 59, 448, 



453 

 (see also contagious diseases) 



communication, 218-222, 234-238, 

 548-549 



community, protection of health 

 in, 54, 58-60, 360, 451-464, 465- 

 477, 520-521, (461, 470) 

 responsibility of board of health 

 to, 360, 468, 470-471, 473, 474- 

 476 



responsibility of individual to, 

 474, 476 



commutator, 223-224, 620 



comparison, 9 



compass, 162, 195, 197-198, 215, 272, 

 277, 548, 603-605, 620, (797) 



