Part 178

Nourishment, necessity of, in typhus fever, 363

Nuisance, legal views as to what constitutes, 182

Obesity, tendency to, following typhoid fever, 298

Obstetrical scarlatina, 498

Occupation, influence of, in causation of anthrax, 939 of glanders, 920 of influenza, 860 of typhoid fever, 244 of typhus fever, 343 relation of, to relapsing fever, 372

Odor of body, significance of, in general diagnosis, 159 of relapsing fever, 378

Oedema, 69 complicating relapsing fever, 400 scarlet fever, 529 typhoid fever, 297 from nervous influence, 71 of glottis, complicating scarlet fever, 512, 529 of lungs, Welch on cause of, 72 significance of, in general diagnosis, 159

Oesophagus, lesions of, in typhoid fever, 265

Offensive effluvia, symptoms due to, 181

Oil, inunctions of, in the plague, 784

Open wounds, liability of, to diphtheria, 679

Opisthotonos in cerebro-spinal meningitis, 809

Opium, use of, during cold stage of intermittent fever, 595 during hot stage of intermittent fever, 595 in algid form of pernicious malarial fever, 608 in cerebro-spinal meningitis, 832 in cholera, 767 in dengue, 885 in influenza, 874, 877 in puerperal fever, 1031 in relapsing fever, 429 in remittent fever, 604 in typhus fever, 366

Ophthalmia, chronic, following rubeola, 574

Optic nerve, lesions of, in cerebro-spinal meningitis, 824

Organic disease, hereditary nature of, 129

Organisms, microscopic, classification, 141 minute, convertibility, 145

Organoid tumors, 116

Origin of vaccinia, 457

Origins, specific, of the plague, 776

Ossification, 87

Otitis, chronic, following rubeola, 574 complicating scarlet fever, 520 in scarlet fever, results, 521 treatment, 547

Ovaries, lesions of, in septicæmia, 972 in pelvic peritonitis in puerperal fever, 989

Overcrowding as a cause of cholera, 721 of typhus fever, 341

Overwork as a cause of disease, 204 of the plague, 775

Ozone, use of, in diphtheria, 709

Pain, in idiopathic parotitis, 623 in inflammation, 41 significance of, in general diagnosis, 165

Pains, muscular and joint, in relapsing fever, 385 of general peritonitis in puerperal fever, 1010 peritoneal, in para- and perimetritis of puerperal fever, 1007 rheumatic, in relapsing fever, 399