436 



INDEX 



Larynx. 348 



Leaves, bloom of, 214 



chlorophyll, 202, 203, 204, 

 301 



excretion, 280 



food-making power, 203 



food storage, 205 



motion, 280 



protection against loss of 

 water, 213 



relation to water supply, 211 



respiration, 215 



structure of, 200 



transpiration, 208 

 Lens, 402 

 Ligaments, 375 



sprain of, 377 

 Light, 401, 402 

 Lightning, 143 

 Lime water, 53, 68 

 Limbs, bones of, 372 

 Liquids, boiling points of, 40, 

 42 



change from solids, 35 



change in volume, 47 



change to gas, 35 



effect of heat on, 15, 16, 44 



entering plants, 230 



heat given off when 1. be- 

 come solids, 38 



heat withdrawn in evapora- 

 tion of, 44 



melting points of, 39 



molecules in, 9 

 Litmus, 106, 107 

 Liver, 311, 319, 326 

 Loess beds, 164 

 Lungs, 347, 348, 349 

 Lymph, 334, 335 



glands, 367 



vessels, 334, 342, 343 



Mammals, 255 



Man, age and races of, 295 

 body of, 296 

 classification of, 294 

 difference between in. and 



other primates, 294 

 relation of animals to, 286 



Manganese dioxide, 92 



Matches, 74, 75, 76 



Matter, classification of, 53 

 constitution of, 6 

 definition of, 2 

 effect of heat on, 13 

 molecular theory of, 7 

 physical and chemical 



changes, 51 

 three forms of, 3, 34 



Mechanical mixtures, 53 



Medicines, 417 

 patent, 418 



Medulla oblongata, 386 



Melting points, 27, 39, 81 



Mercury, boiling point, 40 

 melting point, 40 

 use in barometer, 134 

 use in thermometer, 27 



Mercuric oxide, 92 



Mesentery, 319 



Metacarpals, 372, 373 



Metatarsals, 373 



Milk, action of rennin on, 32:* 

 composition of, 300 

 contamination of, 428 

 pasteurization of, 308 



Molecular theory, 7 



Molecules, 8, 9, 10, 11, 24, 48 



Mollusks, 267 



Mortality list for Chicago 

 1910, 355 



Mosquito, development of. 42, 

 protection against, 428 



