OCCUPATIONAL NEOPLASIA AND CANCERIGENESIS 793 of this fact.

838 OCCUPATIONAL TUMORS AND ALLIED DISEASES post-mortem examination is performed through which the disputed neoplastic character, its source and type, can be established in the overwhelming ma jority of cases beyond any doubts, providing thereby a sound basis for fixing the liability, reliably and definitely.

870 OCCUPATIONAL TUMORS AND ALLIED DISEASES Schistosomiasis, 339 Tuberculosis, 340 Iodine, Deficiency of the Soil, 10 Relation to Goiter, 731 Ionium, Sarcoma, 643 Iris, Traumatic Epithelial Implantation Cyst, 712 Iron, Erythrocytosis, 575 Iron Cancer of Lung-, Experimental, 406 Iron Founder, 313 Iron Miner, 313, 326, 394, 397, 406 Iron Ore, Smelting of, 33 Iron Oxide, Siderosis, 406 Iron-Silicon Worker, 35 Iron Smelter, 710 Ironstone Miner, 20 Irritation Theory, Causation of Varicose Ul cer, 301 Ischemic Theory, Roentgen-cancer, 271 See also Warburg's Theory Italy, Aniline Cancer, 471 Janitor, 25 Japan, Aniline Cancer, 471 Intestinal Polyposis, Infectious, 339 Liver, Cirrhosis of, 354 Roentgen-cancer, 249 Schistosomiasis, 355 Japan Maker, 35 Java, Liver, Cancer of, 358 Stomach, Cancer of, 328 Jaw, Necrosis of, 675 Jeweler, 35 Joachimsthal Cancer of Lung, 454 Age, 454 Blood, 455 Exposure Time, 454 Incidence, 453 Medico-legal Aspects, 456 Mortality, 453 Multiplicity, 455 Precautionary Measures, 456 Symptoms, 455 Type, 456 Joachimsthal Miner, 15, 435, 450 Exposure of, 450 Lung Cancer in, 8 Mortality of, 452 Number of, 450 Respiratory Diseases among, 452 Joachimsthal Mines, 450 Dust, siliceous, 450 Radium Emanation, 450 Radioactivity of Air, 450 Technological Aspects, 450 Johann Georgenstadt District, Lung Cancer, 439 Joint Capsule, 637, 665 Kairo, 84, 293 Kairo Cancer, 10, .84 Kang, Burn Scar Cancer, 293 Kangri, 84, 293 Kangri Cancer, 10, 84 Incidence of, 84 Katanga, Belgian Congo, Radioactive Ores, 436 Keloid, 10, 646, 772 Incidence, 646 Pathology, 646 Race, 646, 765 Site, 646 Keratoma, 126, 281, 285 Keratinization, 227 Keratosis, Roentgen-Cancer, 258 Keratosis Senilis, 220 Kerosene, 143 Kidney, 469 Kidney, Adenoma of, 719 Kidney, Adenorhabdomyosarcoma of, 650 Kidney, Cancer of, 548 Aniline Cancer, 501 See Aniline Cancer of Bladder Traumatic, 548 medico-legal aspects, 550 type of trauma, 548 type of tumor, 549 Kidney, Experimental Cancer of, 490 Radon, 551 Kogl's Theory, 795 Kuchenbecker Test, Aniline Cancer of Blad der, 496 Kyste Dermoides, 281 Kyste Epidermique, 281 Laboratory Assistant, 524 Laborer, 23, 24, 153, 523 Lacrimal Gland, 710, 714 Lacrimal Gland, Cylindroma of* 714 Lacrimal Caruncle, Sarcoma in, 714 Laennec's Type of Cirrhosis of Liver, 344 Lamblia Intestinalis, 357 Lamp Black, 192, 211 See also Soot Lung, Cancer of, 428 Skin, Cancer of, 192 Lamp Black Worker, 192, 203 Lard, 660 Larynx, 369 Larynx, Cancer of, 28, 393, 394

/ SUBJECT INDEX 885 Occupation, 254.

638 2Xth National Safety Congress curatclv controlling lime, temperatures ami pressures.

13.

888SS N"" _" aivu Nouandoud

158 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE This discussion has covered briefly some of the methods which may be employed in determining the concentrations of atmospheric contaminants in the workroom atmosphere.

. v Fig. 1.

1 f, 382 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE Chart 5 represents a partial analysis of the results of this inquiry.

SILVERMAN ET AL.

546 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE Pulmonary roentgenograms of August 7 disclosed some improvement.

598 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE except possibly dyspnea or a decreased sense of well-being.

'H ig Cancel* Controls ;al Total 518 3 1 0 2 5 8 4 3 ing smoked cigarettes;!

770 S.