302 



INDEX 



Sense, special end organs of, 285 



Senses, special, 285 



Sepals, 217 



Serums, 233 



Shrinking, 115 



Shrubs, 221 



Sighing, 273 



Sight, 285, 286 



Silver, German, 133 



Simmering, 102 



Siphon, 124 



Skeleton, arrangement of, 237 



use of, 237 

 Skin, 275 

 Skull, 239 

 Sleep, 248 

 Smell, 285 

 Snoring, 273 

 Snow, 109 

 Soaps, 146 

 Solar system, 8 

 Solids, 14 



change in volume of, 55 

 Solstices, 184 

 Solutes, 129 



Solution, conditions affecting, 130 

 Solutions, 129, 130 



and change of state, 134 



dilute, 130 



strength of, 130 



supersaturated, 131 

 Solvents, 129 

 Sound, 167 



speed of, 167 

 Sounding board, 168 

 Sounds, distinguishing, 169 

 Species, 218 



elementary, 238 

 Specific gravity bottle, 41 



heat, 61 



heats, table of, 61 



Spectroscope, 161 

 Spectrum, 161 



solar, 161 

 Sperms, 216 

 Sphincters, 241 

 Spinal cord, 245, 246 

 Spine, 237 

 Spirit level, 43 

 Spores, 216 

 Sports, 228 

 Sprains, 242 

 Spring, 11 

 Stamens, 216 

 Stars, 5 



fixed, 8 



light of, 6 



shooting, 10 

 Steapsin, 255 

 Stereopticon, 153 

 Sterilizing, 234 

 Stomach, 253 

 Storage batteries, 210 

 Struggle for existence, 226 

 Sublimation, 55, 101 

 Summer, 11 

 Sun, 8 



time, 182 

 Sutures, 239 

 Sweetbreads, 255 

 Symbols, chemical, 26 



Tan, 276 



Taste, 285 



Teeth, 255 



Telescope, 153 



Temperature, kindling, 73 

 lag in, 86 



measurement of, 46 

 sense, 46, 88, 285 



Tendons, 240 



