INDEX 



Accidents, 90-94, 122. 



Acids, 97-100. 



Adenoids, (>. 



Air currents, 59-62. 



Air, weight of, 58-59. 



Albumen, 126, 153. 



Alcohol, 34-35, 92. 



Amusements, 33-34, 89. 



Antiseptic, 22. 



Antitoxin, 22. 



Apple raising, 146-150. 



Artesian wells, 27. 



Atmosphere, 52-62. 



Atmospheric moisture, 42-44, 59- 



61. 

 Atmospheric pressure, 54-62, 75-76. 



Bacteria, 20, 32. 



Bacteriology, 20. 



Baking powder, 153. 



Barometer, 55-56, 59-61. 



Base, 97-100. 



Bathroom, 81. 



Bedrooms, 13, 81. 



Birds, 115. 



Blood, 18, 20, 48. 



Blood poisoning, 22. 



Bones, 2. 



Buds, 108-109, 112-113. 



Burns, 90. 



Business ability, 101, 116-121, 144, 



150. 

 Butter, 134-136. 



C 



Canning, 31, 136-137, 146. 

 Carbonates, 98-100. 

 Carbon dioxide, 11, 98-100. 



Cells, 32. 



battery, 167, 169-171. 

 Chemical changes, 9-10, 46, 94-100, 



169-170. 



Chemical equations, 98-99, 170. 

 Chemistry of cleaning, 9697. 

 Cisterns, 28. 

 Clay, 154-155. 

 Climate, 73-76. 

 Clocks, 190-192. 

 Clothing, 18, 87. 

 Color phenomena, 177-179. 

 Combustion, 9-12, 90. 

 Condensation, ,4244. 

 Constellations, 193-195. 

 Corn, studies on, 111, 138-146. 

 Cost of living, 84-89. 

 Cow, the, 132-133. 

 Cyclone, 62, 65. 



I) 



Dairying, 134-135. 

 Day and night, 180-183. 



relative lengths of, 183, 185. 

 Density, 38, 52, 54, 58-62. 

 Diffusion, 4418. 

 Disinfection, 24, 96. 

 Drugs, use of 35. 

 Dust in relation to health, 95. 



E 



Eclipses, 173-175. 

 Eggs, 125-126, 128-129. 

 Electric bell, 168. 

 Electricity, 167-171. 

 Electrolyte, 171. 

 Employers' liability, 93. ' 

 Energy, 160-162. 



of the human body, 17, 32-34. 

 Erosion, 49-51. 

 Eye, 6-8. 



213 



