INDEX 



Absorption, 260 

 Acclimatization, 220 

 Acid salt, 146 

 Acids in plants, 145 



mineral, 145 



nature of, 145 



neutralizing, 146 



test for, 145 

 Action, involuntary, 246 



reflex, 247 



Affinity, chemical, 29 

 Air, composition of, 119 



function of constituents, 120 



pressure of, 120 



vibrations in, 167 



weight of, 119 

 Albino, 276 

 Alcohol, 293 



Alimentary canal, structure of, 253 

 Alkalies, 146 

 Alkaloids, 291 

 Amalgams, 134 

 Amorphous, 15 

 Amphibians, 221 

 Amylopsin, 255 

 Anchor ice, 63 

 Annuals, 221 

 Anticyclones, 97 

 Antiseptics, 233 

 Antitoxins, 232 

 Appendicitis, 254 

 Appendix, 254 



Armature, 208 

 Arteries, 260 

 Arthropoda, 221 

 Astronomy, 2 

 Atoms, 24 



Auricles of heart, 263 

 Aurora borealis, 203 

 Autoclave, 68 

 Autumn, 11 



Bacteria, nature of, 231 



work of, 232 

 Barograph, 123 

 Barometer, 121 



aneroid, 122 

 Barrier, 220 

 Bases, nature of, 145 



tests for, 145 

 Bathing, 278 

 Beverages, 292 

 Big dipper, 7 

 Bile, 255 

 Biology, 2 

 Bleeding, 265 

 Blisters, 276 

 Blood, 259 



circulation, 263 



corpuscles, red, 259 

 white, 260 



stream, regulation of, 265 

 Boiling, 47, 102 



affected by pressure, 66, 202 



295 



