INDEX 



(NUMBERS DENOTE PAGES) 



Abdomen, 338, 401 



Absorption of light, 155, 162 



Acetic acid, 116, 117, 189 



Acetylene, 114, 142, 227 



Acids, 98, 188, 189, 454 



Acids, action on carbonates, 119, 191 



action on metals, 190 



and coloring matter, 190 

 Acids, classes of, 189 



Acetic, 116, 117, 189 



Butyric, 361 



Carbonic, 117, 265 



Citric, 189 



Hydrochloric, 95, 96, 98, 99, 105 



Inorganic, 189 



Lactic, 189 



Malic, 189 



Nitric, 189, 190 



Oleic, 361 



Organic, 189 



Phosphoric, 189 



Prussic, 116 



Pyrogallic, 166 



Sulphuric, 95, 189 



Tartaric, 116, 189 



Uric, 366 



Acid reaction, 190, 357 

 Adhesion, 28 

 Aeration of water, 81 

 Aeroplane, 184 

 Afferent nerve, 397, 400, 404 

 Air, 4, 21, 38, 39, 46, 56, 64, 72, 81, 

 98, 232, 233, 234, 429 



a non-conductor, 72 



brake, 44 



drainage, 237 



in soil, 270 

 Airship, 184 

 Albumins, 55, 348 

 Alcohol, 56, 116, 119, 188, 355, 388, 

 406 



Algae, 301 



Alimentary canal, 350 



Alkalies, 188, 192, 454 



Alkaline reaction, 192, 352, 357, 361 



Alloy, 8 



Alluvial soil, 270 



Alum, 90 



Amber, 130 



Ameba, 313, 339, 377 



Ammonia, 105, 117, 279 



water, 192, 201 

 Ammonium chloride, 54, 105 



hydroxide, 192 



salts, tests for, 196 

 Amorphous substances, 91 

 Amphibians, 326 

 Amylopsin, 360, 361 

 Anemometer, 245 

 Aneroid barometer, 233 

 Angiosperms, 306 

 Aniline, 116 

 Animalcule., 314 

 Animals, 52, 312, 332 

 Anopheles, 426 

 Anther, 298 

 Anthracite coal, 262 

 Antitoxins, 443 

 Appendix, 358 

 Aqueous humor, 416 

 Arc light, 141 

 Argon, 54 

 Artery, 372, 374 

 Artificial lighting, 223 

 Artificial rocks, 259 

 Assimilation, 361 

 Atmosphere, 38, 41, 56, 232, 234 

 Auricle, 373 

 Axil, 290, 295 

 Axon, 396 



Backbone, 343 



473 



