308 FIRST YEAR COURSE IN GENERAL SCIENCE 



Carbon dioxide, in the lungs, 303 



in water, 94 



relation to life, 160 * 

 Carbonated water, 94 

 Carbonates, 163 

 Care of the young, 299 

 Cassiopeia, 17, 18 *, 19 

 Cast iron, 153 

 Celestial meridian, 27 * 

 Cells, division, 263, 264 * 



growth, 264 



in surface of a leaf, 268 * 

 Centigrade thermometer, 73 * 

 Changes of level, 193 

 Charcoal making, 71, 72 *, 150 

 ' Chemical, change, 48, 138 



engines, 145 



symbols, 155 

 Chlorine, 150 

 Chlorophyll, coloring in plants, 259 



grains, 268 *, 270 



in starch making, 270 

 Clay, 171 

 Climate, 78, 116 



changes, 118 

 Coal, 150, 185 



anthracite, 186 



bituminous, 186 



fields, 186 * 



Colorado Canyon, 237 * 

 Combination, 139 

 Combustion, 140 



spontaneous, 140 

 Compass, magnetic, 133 * 

 Compounds, 47 



classes, 159 

 Condensation, 68 

 Conduction of heat, 74 * 

 Conductivity, 152 

 Conductors, of heat, 75 



of electricity, 129 

 Conglomerates, 180 

 Conservation of Matter, Law of, 



142 

 Constellations, 15, 18* 



reasons for studying, 18 

 Continental block, 191 * 

 Continents, 190 



changes of level, 193, 194 * 



changes in size, 192, 240 



location in relation to history, 

 195 



Continents, relation to water, 190 

 story told by rocks, 191 



Contour, intervals, 216, 218 

 lines, 216, 218, 220 

 maps, 216, 217 *, 220, 224 * 



Convection, 75 



Copper. 153 



Coral reefs, 192 * 



Corn seedling, 280 



Corona, 16 



Crystals, 168 * 



Currents, in convection. 75 

 electric, 133 

 ocean, 197 



Cyclonic movements, 112 



Dana, James D wight, 171 * 



Day, 23, 25 



Decomposition, 139 



Definite Proportions, Law of, 142 



Degradation, 202, 205 ' 



Density, definition, 63 



of air, 96 * 



of a liquid, 66 



of a solid, 65 * 



methods of determining, 65, 66 

 Denudation, 205 

 Dew point, 107 

 Diffusion, 94 *, 95 

 Digestion, in animals, 303 



in plants, 272 

 Dikes, 183 * 

 Dissolving, 82 

 Distillate, 68 

 Distillation, 68, 69 * 



fractional, 69 



uses, 69 

 Divers, 86, 87 * 

 Dog days, 16 

 Dog star, 16 

 Drift, glacial, 248 

 Ductility, 152 

 Dynamo, 136* 



Earth, age, 187 

 a planet, 33 

 axis, 24 



crust, 167 *, 177 

 early beliefs, 13 

 revolution, 22, 34 

 rotation, 21 

 shape, 14 



