INDEX 



427 



Leopard frog, 188. 

 Lepidoptera, 30. 

 Levers, 269. 



Life comes from life, 399. 

 Life cycle, 104 ; 



of plants, 103. 



Life history of malarial parasite, 217. 

 Ligaments, 268. 

 Ligature, applying, 326. 

 Light, a condition of environment, 

 21, 22; 



and bacteria, 145 ; 



effect of, 22 ; 



necessary for starch making, 91. 

 Lighting the home, 376. 

 Lily, narrow leaves, 90. 

 Limewater test, 64. 

 Lister, Sir Joseph, 403. 

 Liver, 306 ; 



a storehouse, 307 ; 



effect of alcohol on, 312 ; 



of frog, 243. 

 Living matter and alcohol, 291 ; 



plant and animal compared, 47 ; 



things, needs of, 266 ; 



things, varying sizes of, 51. 

 Lizard, 188. 

 Lobster, 198. 

 Locomotion, 181 ; 



of frog, 241. 



Lowell, typhoid area, 384. 

 Lumber transporting, 110-111. 

 Lungs, air passages, 330 ; 



changes of blood in, 330. 

 Lymph, function, 317 ; 



glands and vessels, 324, 325. 

 Lysol, 148. 



MacNichol, Dr. T. Alexander, 327. 



Macronucleus, 169. 



Malaria, cause, 217. 



Malarial mosquito, 218. 



Malarial parasite, life history, 217. 



Mammal development, 247 ; 



embryo, 247. 

 Mammals, 191 ; 



adaptations, 192 ; 



as food, 202 ; 



classification, 192. 



Mammary glands, 191. 



Man, animals that prey upon, 230 ; 



and his environment, 266 ; 



circulation of blood, 318 ; 



improvement of, 261 ; 



in his environment, 26 ; 



mouth cavity, 300 ; 



place in nature, 195 ; 



races of, 196 ; 



stomach, 303. 

 Manufacture of fats, 93. 

 Measures, 417. 



Mechanics of respiration, 332, 333. 

 Membrane, mucous, 299. 

 Mendel, Gregor, 257, 406. 

 Mesenteric glands, 309. 

 Mesentery, 297. 

 Mesoderm, 177. 



Metamorphosis of frog, 244, 245. 

 Metchnikoff, 316. 

 Methods, of cutting timber, 111; 



of breathing in vertebrates, 232. 

 Micronucleus, 169. 

 Micropyle, 59. 

 Middle ear, 359. 

 Migration of fishes, 238. 

 Milk, and tuberculosis, 381 ; 



composition of, 273, 280 ; 



germs in, 381 ; 



grades of, 381 ; 



under microscope, 150, 305. 

 Milkweed, butterfly, 32, 33. 

 Milling and starch making, 92. 

 Mink, 205. 

 Mixed diet, 284. 

 Moisture, 24, 78. 

 Mollusca, 185. 

 Mollusk, 185. 

 Mold, 133, 134, 135 ; 



yeast and bacteria, 143. 

 Morning glory embryo, 103. 

 Mosquito, malarial, 218; 



yellow fever, 219. 

 Moss plant, 177. 

 Mother of pearl, 206. 

 Motor nerves, 351. 

 Mouth cavity in man, 300, 300. 

 Mouth parts of bee, 38. 

 Mucous membrane, 299. 



