Itch-mite, 259 Jenner's stain for blood, 174 Kemp-Calhoun-Harris estimation of blood-plaques, 166 Keratitis, bacteria of, 274 Kidney, changes in, albuminuria from, 70 permeability of, tests for, 55, 56 Koch-Weeks bacillus in conjunctivitis, 274 Kowarsky's plate for fixing blood, 171 test for glucose, 78 Lactic acid in gastric contents, 219 Strauss' test for, 220 Uffelmann's test for, 220 Lactose in milk, estimation, 280 in urine, 82 Lancet, blood, 141 Lange's test for acetone, 85 Lead in urine, 96 Lead-poisoning, anemia from, 204 chronic, degeneration of Grawitz in, 176 Lederer's test for lead, 96 Leffmann-Beam estimation of fat in milk, 279 Legal's test for acetone, Lange's modification, 85 Lenses, 20 Leprosy, secondary anemia from, 204 Leptothrix buccalis, 270 in gastric contents, 230 in sputum, 28 Leucin in urine, 107 Leukemia, 157, 162, 208 blood-plaques in, 166 degeneration of Grawitz in, 176 diluting fluids for count, 165 erythroblasts in, 177 erythrocytes in, 175 leukocyte count in, 162, 163 lymphatic, 210 lymphocytes in, 179 myelogenous, 208 eosinophilia in, 183 erythroblasts in, 177 mast-cells in, 184 myelocytes in, 184 oligocythemia in, 150 polychromatophilia in, 176 Todd's estimation of leukocytes in, 164 Türk's ruling for blood count in, 162, 163 Zappert ruling for blood count, 162 Leukocytes, 139 abnormal varieties, 184 atypical forms, 184 basophilic, 183 counting, in leukemia, 162, 163 decrease in, 156 differential count of, 178 enumeration, 156 eosinophilic, 182. See also _Eosinophiles_. increase in, 157 absolute, 178 relative, 178 iodin reaction of, 182 irritation forms, 185 mononuclear, large, 179 non-phagocytic, 159, 161 normal, 179 polymorphonuclear, 158 neutrophilic, 180 polynuclear, 180 stained, study of, 178 transitional, 180 Leukocytosis, 157 absolute, 178 eosinophilic, 159 mononuclear, 159 myelocytes in, 184 phagocytic, 159 polymorphonuclear, 159 from drugs, 161 from infections, 160 from inflammations, 160 in malignant disease, 160 pathologic, 160 physiologic, 159 post-hemorrhagic, 161 toxic, 161 relative, 178 Leukopenia, 156 lymphocytes in, 179 Levulose in urine, 82 Lieben's test for acetone, Gunning's modification, 84 Lindemann's test for diacetic acid, 86 Linen fibers in urine, 120, 131 Liver, cirrhosis of, anemia from, 204 Löffler's alkaline methylene-blue, 38 for gonococci in pus, 264 methylene-blue for pus, 261 Louse, 259 Lung, gangrene of, sputum in, 44 Lycopodium granules in urine, 132 Lymphatic leukemia, 210 Lymphocytes, 179 Lymphocytosis, 159, 161 Macrocytes, 175 Magnification, microscopic, 20