356 



INDEX 



Malaria, 189, 282, 288 



Malt, 302 



Maltose, 103 



Mammal, 10 



Man, 10-11 



Mania, 304 



Marrow, 30, 127 



Meals, 122, 158 



Measuring worm, 52 



Meats, 81, 82 



Medulla oblongata, 231 



Medullary canal, 30 



Melons, 76 



Membranous labyrinth, 254 



Microbes, 78-80, 82, 88, 128, 



151, 160, 190, 191, 206, 207, 



218, 282-292, 325 

 Middle ear, 253 

 Milk, 77-80, 88 

 Milk sugar, 77 

 Moisture of air, 186 

 Molar teeth, 99 

 Molds, 283 

 Morphine, 296, 298 

 Mosquito, 189, 288 

 Motor (efferent) nerves, 224- 



228, 231 



Mouth, 96-103, 166, 289 

 Mouth breathing, 192 

 Movements, 51 

 Mucus, 168 

 Mumps, 103 



Muscles, 13, 40-50, 54-60, 278 

 Muscular sense, 249 

 Muscular work, 61-64, 120-122, 



124, 158, 176-178, 320 



Nails, 204 



Narcotic poisons, 331 

 Narcotics, 296-313 

 Nasal tones, 279 

 Nausea, 285 

 Near-sight, 260, 275 

 Neck, 13 



Neck of tooth, 101 

 Nerve control, 45 

 Nerve fibres, 223 

 Nerve filament, 224 

 Nerve ganglia, 226 

 Nerves, 221-245 

 Nerve sheath, 223 



Nerve trunks, 222 

 Nervous breakdown, 243 

 Nervous impulses, 225, 227, 



248, 249, 250, 251, 255, 256, 



263 

 Nervous system, 6, 62, 219-245, 



302, 304 



Neural canal, 15 

 Neuroglia, 233 

 Neuron, 225 

 Nicotin, 298 

 Night air, 189 

 Night-cap, 189, 216 

 Nitrogen, 66, 315 

 Noise, 273 

 Non-destructibility of matter, 



318 



Nose, 166, 190, 279, 280, 289 

 Nucleus, 4-7, 61 

 Nutrition, 9 

 Nuts, 65, 66, 76 



Oils, 65, 66 



Olfactory nerves, 234, 251 



Omnivorous animals, 67 



Optic nerves, 262, 263 



Organic matter, 3 



Organic salts, 75 



Organisms, 2, 3, 88, 282 



Organs, 2, 6, 7, 12 



Osmosis, 118, 119 



Osteoblasts, 29 



Osteoclasts, 29 



Oval window, 253 



Overtones, 278, 279 



Overwork, 63 



Oxidation, 45, 315 



Oxygen, 1, 127, 130, 165, 315 



Pain, 245, 296 



Pain, sense of, 248, 249 



Palate, 104 



Pancreas, 109, 132 



Pancreatic secretion, 103, 110, 



111 

 Papillae of the tongue, 104, 



250 



Papillary muscles, 138, 139 

 Paralysis, 46, 225, 303, 304 

 Parasites, 81, 88, 283, 284 

 Parks, 292 



