Hæmin crystals, 150 Hair, examination of, 96 Hempseed oil, 130 Hoppe-Seyler's test for blood, 151 Hydriodic acid, 90 Hydrobromic acid, 90 Hydrochloric acid, 46, 91 Hydrocyanic acid, 50 Hydrofluoric acid, 88 Hydrosulphuric acid, 91 I. Iodides, 90, 94 Iodine, 56, 94 Indicative tests for poisons, 36 L. Lactodensimeter, 138 Lactometer, 139 Lactoscope, 138 Lassaigne's test for writings, 107 Lead, 57 Legumens in flour, 117, 121, 124 Lentils in flour, 123 Lime, 53 Lime in flour, 126 Linseed meal in flour, 120 M. Macadam's method for alkaloids, 73 Magnesia in sulphate of quinine, 148 Mannite in sulphate of quinine, 148 Marchand's test for milk, 139 Marsh's test for arsenic, 21 Mercury, 36, 62, 93 Detection of, by Smithson's pile, 36 Detection of, by Flandin and Danger's method, 37 Metals, 56 Antimony, 30, 62, 93 Arsenic, 17, 60, 93 Bismuth, 62 Cadmium, 63 Chromium, 64 Copper, 62, 63 Lead, 57 Mercury, 36, 62, 93 Silver, 57 Tin, 56, 61 Zinc, 64 Milk, examination of, 137 Mineral substances, in flour and bread, 124 In milk, 141 In sulphate of quinine, 148 Mistcherlich's test for phosphorus, 40 Morphine, 80 N. Naquet's test for antimony, 34 Narcotine, 77 Nicotine, 75 Nitric acid, 47, 88 O. Oatmeal in flour, 117 Oleometer, 128 Olive oil, 128 Orfila's test for phosphorus, 39 Organic matter Destruction of, by _aqua regia_, 14 Destruction of, by chlorate of potassa, 13 Destruction of, by chlorine, 13 Destruction of, by nitrate of potassa, 10 Destruction of, by nitric acid, 8 Destruction of, by potassa and nitrate of lime, 12 Destruction of, by potassa and nitric acid, 12 Destruction of, by sulphuric acid, 9 Otto's method for alkaloids, 69 Oxalic acid, 49, 88, 89, 95 P. Papaverine, 77 Payen's test for vinegar, 147 Phosphoric acid, 48, 90, 95 Phosphorous acid, 45 Phosphorus, 39, 95 Detection of, by Orfila's method, 39 Detection of, by Mistcherlich's method, 40 Detection of, by Dusart's method, 40 Detection of, by Fresenius and Neubauer's method, 42 Estimation of, 45 Picrotoxine, 80 Plaster in flour, 126 Poisons, detection of In cases where no clew exists, 85 In cases where a clew exists, 17 Destruction of the organic matter, 8 Indicative tests, 86 Determinative tests, 94 Potato meal in flour, 118 Potassa, 53, 93 Prollius' method for alkaloids, 72 Prussic acid, 50 Q. Quinine, 77 R. Raspail's test for arsenic, 29 Reinsch's test for arsenic, 30 Reveil's test for vinegar, 148 Rice meal in flour, 120 Robin's method for spermatic stains, 160 Rodgers and Girdwood's method for alkaloids, 71 Rye meal in flour, 117, 120 S. Salicine in sulphate of quinine, 148 Sand in flour, 125 Silver, 57