utenberg@html@files@48793@48793-h@48793-h-1.htm.html#Page_20" class="pginternal">20

— anaËrobic, 139

— hanging drop, 44

— plate, 40-43

— pure, 20, 46

— shake, 62

Decomposition bacteria, 149

Denitrifying bacteria, 143, 149

Dental caries, 104

Deodorants, 323

Desiccation, 26

Diagnosis, 339

Diarrhoea of infants, 175, 316

Diphtheria, 243-245, 289-296

— bacillus of, 289

— toxins of, 244, 293

— and milk supply, 201

— and school influence, 294, 295

— pseudo-bacillus of, 296

Diplococcus, definition of, 8
Diplococcus of gonorrhoea, 300

— in pneumonia, 313

Directions for estimating disinfectants, etc., 324

Disease, production of, 264

Diseases of beer, 134

— of plants, 35

— of animals, 316-320

— conveyed by water, 81

— and soil, 173-177

Disinfectants, 322, 331

Disinfection, 322-336

— of a room, 335

— of walls, 335

— of bedding, 335

— of garments, 335

— of excreta, 335

— of wounds, 336

— of hands, 336

Domestic purification of water, 79

Dunham's solution, 69

Dysentery, 319

Earth temperatures and disease, 175

Economic bacteria, 145

Egg cultures, 340

Elsner's medium, 62

Endospores, 17

Enteric fever, see Typhoid

Enzymes, 114

Equifex disinfector, 328

— sprayer, 334

Erysipelas, 299

Examination, bacteriological—

— air, 96-99

— cholera, 68

— diphtheria, 290, 340

— leprosy, 309

— meat, 234

— milk, 206

— sterilisation of, 207

— pasteurisation of, 208-213

— products, bacteria in, 213-227

— examination of, 227

— and economic bacteria, 215-220

— sterile, 181

— kinds of bacteria in, 188

— chromogenic, 193

— cooling processes, 207, 209

Moist chamber, 41

Moisture necessary for bacteria, 23

Motility, 14

Moulds, 116

Mycoderma aceti, 127

Nasal passages, bacteria in, 103

Natural purification of water, 69

Needles, platinum, 22, 24

Nitrates, 147, 154

Nitric organism, 157, 158

Nitrification, 76, 143-159

— chemistry of, 144-148

— stages in, 145

— bacteria of, 152

Nitrifying organisms, cultivation of, 156

Nitrogen, fixation of, 144, 160-168

Nitrous organism, 154, 158

Nodules on roots, bacteria in, 163

Oidium albicans, 203

Oxygen necessary for bacteria, 26

Oysters and bacteria, 229-234

Paraform for disinfection, 334

Parasitism, 27, 162

Parietti's method, 62

Pasteurisation of milk, 208-213

Pasteur's treatment of rabies, 253-258

Perlsucht, 283

Petri dishes, 50

Phagocytosis, 247

Phosphorescence, 26, 241

Pigment, formation of, 241

Place of bacteria in nature, 5

Plague, 306-308

Plant diseases, 35

Plate cultures, 40-46

Platinum needles, 22, 24

Pleomorphism, 12

Pneumo-bacillus, 315

Pneumococcus, 313

Pneumonia, 313

Polymorphism, 12

Postulates, Koch's, 266

Potato medium, 22

Pouchet's aËroscope, 263

Urea, 148

Vaccination, 251-253

Vaccines, plague, 257, 259

— cholera, 257

— small-pox, 251

Vaccinia, 251

Variolation, 250, 251

Virulence increased, 32

— diminished, 36

Water, bacteria in, 37-84

— number of bacteria in, 38

— examination of, 39-52

— disease organisms found in, 55

— natural purification of, 69

— artificial purification of, 73

— filtration of, 74

— domestic purification of, 79

— pollution of, 82

Wheat supply and bacteria, 161

Widal reaction, 63, 340

Wooden tongue, 318

Wool-sorters' disease, 305

Yeasts, 116

Yellow fever, 316

Ziehl-Neelsen stain, 44, 340

The Science Series

Edited by Professor J. McKeen Cattell, Columbia University, with the cooperation of Frank Evers Beddard, F.R.S., in Great Britain.

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The Study of Man. By Professor A. C. Haddon, M.A., D.Sc., Royal College of Science, Dublin. Illustrated. 8^o, $2.00

The Groundwork of Science. A Study of Epistemology. By St. George Mivart, F.R.S. 8^o, $1.75

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The Stars. By Professor Simon Newcomb, U.S.N., Nautical Almanac Office, and Johns Hopkins University.

Meteors and Comets. By Professor C. A. Young, Princeton University.

The Measurement of the Earth. By Professor T. C. Mendenhall, Worcester Polytechnic Institute, formerly Superintendent of the U. S. Coast and Geodetic Survey.

Earthquakes. By Major C. E. Dutton, U.S.A.

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General Ethnography. By Professor Daniel G. Brinton, University of Pennsylvania.

Recent Theories of Evolution. By J. Mark Baldwin, Princeton University.

Whales. By F. E. Beddard, F.R.S., ZoÖlogical Society, London.

The Reproduction of Living Beings. By Professor Marcus Hartog, Queen's College, Cork.

Man and the Higher Apes. By Dr. A. Keith, F.R.C.S.

Heredity. By J. Arthur Thompson, School of Medicine, Edinburgh.

Life Areas of North America: A Study in the Distribution of Animals and Plants. By Dr. C. Hart Merriam, Chief of the Biological Survey, U. S. Department of Agriculture.

Age, Growth, Sex, and Death. By Professor Charles S. Minot, Harvard Medical School.

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History of Botany. Professor A. H. Green.

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Infection and Immunity. Geo. M. Sternberg, Surgeon-General U.S.A.