INDEX 



291 



Kitchener, Lord, 58 



Koch, Robert, 64, 68, 117, 123 



Lamarck, 173 

 Leaf-Roll, 237 

 League of Nations, 155 

 Legislation Against Thinking, 6 

 Leopold of Belgium, 37 

 Lettuce, 282 

 Lime Juice, 280 

 Li pins, 266 

 Lister, 145 



Louis Pasteur, and Lengthened Hu- 

 man Life, 133 

 Lurainal, 66 



Macaulay, 28 



Madder, 61 



Maeterlinck, Maurice, 45 



Malarial Fever, 65, 191 



Marco Polo, 13 



McCollum, 250, 276, 279 



Meaning of Evolution, 167 



Meat Consumption, 261 



Meats, 259 



Mendel, G., 250, 260, 275, 279 



Mendel, Lafayette B., 257 



Methanol, 5? 



Methylene Blue, 66 



Microbes, War Against, 63 



Mills, John, 78 



Milk, 259, 263, 269, 279, 285 



Mineral Salts, 267 



Modern Potato Problem, 223 



Molecules, 84 



Moore, George T., 162 



Mosaic Disease, 236 



Myrmica, 207 



Naegeli, 123, 124 



National Tuberculosis Association, 



US 



Nitrogen, 82, 84 

 Noguchi, 107 

 Novocain, 66 



Nucleus of Atoms, 84, 85, 88 

 Nutrition Experiment*, 262 



Oil, 42 

 Orthogenesis, 177 



Osborne, Thomas B., 250, 255, 269 



275, 279 



Otto Gas Engine, 20 

 Our Daily Bread and Vitamins, 265 

 Our Fight Against Insects, 190 

 Our Present Knowledge of Tubercii" 



losis, 115 

 Oxygen, 92 



Pan American Union, 155 

 Parasites, 208, 235 

 Pasteur Institute, 154 

 Pasteur, Louis, vi, 133 

 Pasteurization, 137 

 Pear Thrips, 197 

 Perfumes, 54, 71 

 Perkin, W. H., 50 

 Petroleum, 41, 12 

 Pfeiffer's Bacillus, 100 

 Picric Acid, 73 

 Pine Bark-Beetles, 196 

 Phenol, 58, 73 

 Phonograph, 73, 75 

 Plant Lice, 204, 237 

 Potato Crop, 223 

 Potato Diseases, 233 

 Potato Improvement, 230 

 Potato Scab, 235 

 Potato Storage, 239 

 Potato Varieties, 229 

 Potato Wart, 235 

 Pott's Disease, 117 

 Precipitation, 221 

 Procaine, 66 



Proton, 80, 259, 266, 267 

 Public Health, 151 

 Pulmonary Tuberculosis, 130 



Rabies, 145 



Radioactive Elements, 86, 95 



Religion, 184, 188 



Rice, 270 



Rickets, 281 



Road Construction, 39 



Rockefeller Foundation. 158, 150 



Rockefeller Institution for Medical 



Research, 99, 102, 154 

 Rosa, 2C2 



ul, Edmond, 46 

 Royal Purple, 62 



