INDEX 



Acetylene, 159 

 Adhesion, 444 

 Air, breathed, 172 



complemental, 172 



how heated, 104 



reserve, 172 



residual, 172 



tidal, 172 



vitiated by lights, 181 

 Aldebaran, 480 

 Alloys, 132 

 Altair, 488 

 Alum, in baking powder, 235 



test for, 235 



Ammonium, carbonate used in cooking, 

 233 



in bread, 235 



test for, 235 

 Ampere, 386 

 Anopheles mosquito, 294 

 Antares, 487 

 Anthrax, bacillus of, 309 



cultures for, 313 



disinfection for, 312 



disposal of animal, 312 



how contracted, 310 



prevention of, 313 



symptoms of, 311 



wool-sorter's disease from, 310 

 Appendix, 529 

 Aquila, 488 

 Arcturus, 487 

 Argon, 136 

 Arided, 487 

 Asteroids, 473 



Astigmatism, 348, 349 



chart for test of, 348 



test for, 348 

 Atmosphere, bends caused by, 49 



effect on boiling-point, 82 



effect on evaporation, 82 



effect on weather, 59 



moisture in, 11 



measuring pressure of, 45, 46 



pressure of, 39 



pressure uneven, 54 



pressure of varies, 48, 49 



pressure of and ventilation, 61 



table of pressure, 66 



use of, 40, 44 



value of moisture in, 11 



water in, 1, 2, 3 

 Auriga, 482 



Bacteria, anaerobic, 323 

 in butter and cheese, 319 

 causing putrefaction, 319 

 in cooking killed, 221 

 for decomposition, 320 

 disease caused by, 298 to 306 

 flagella of, 290 

 in milk, 319 

 motion of, 290 

 pus forming, 308 

 shape of, 290, 293 

 size of, 292 

 in soil, 318 

 spores of, 291 

 useful, 318 

 in vinegar, 320 



541 



