INDEX OF SUBJECTS. 



Action of nitric acid, 1877, (1). 

 Alloys, 1885, (1). 

 Atomic depression, 1890, (2). 

 volumes, 1883, (2). 

 weight, 1870, (3); 1871, (1) 

 1872, (2) ; 1881,(3) ; 1884, (2) 

 1887, (1); 1891, (I); 1898, (1) 

 1901, (5) ; 1901, (4). 

 weight, Relation of color to, 

 1881, (1). 

 Compounds. 1885, (1); 1904, (4). 

 Alums, Properties of, 1901, (4). 

 Chloride, Density of, 1888, (5); 



1879, (1). 

 Chloride, 1888, (6). 



with organic bases, 1903, (2). 

 Double halide, 1901, (6). 



sulphides, 1874, (1). 

 Hydrosulphide, Constitution of, 



1892, (2). 

 Hydroxide, Dehydration of, 1888, 

 (4). 

 Solubility in ammonia, 

 1903, (3). 

 Molybdate, 1904, (1). 

 Oxide, Behavior at high tempera- 

 ture, 1894, (I). 

 Physical constants of, 1880, 



(1). 

 Reduction of, by magnesium, 

 1890, (1). 

 Oxide, 1903. (1). 

 Platinum salts, 1876, (1). 

 Salts, Electrolysis of, 1880, (2). 

 Salts, 1901, (2). 

 Selenite, 1875, (2). 

 Sulphate, Physical constants of, 



1880, (1). 



Sulphide, Colloidal state of, 1888, (2). 

 Crystalline form, 1904, (2). 

 Discovery, 1863, (1). 

 Electrolytic behavior, 1883, (1). 

 Estimation, 1901, (2). 



Exhibit, 1867, (2). 



Extraction, 1865, (2), (5) ; 1866, (1), (2); 



1867, (3); 1868, (1), (3); 1870, (2); 



1879, (3). 

 Flame reactions, 1866, (4). 

 Halogen transferer, 1886, (1). 

 Heating of metal in vacuo, 1879, (2). 

 Heat of oxidation, 1871, [2). 

 Heat expansion, 18(!9, (1). 

 Molecular refraction and dispersion, 



1893, (1). 

 Molecular weight. Review of, determi- 

 nations, 1889, (2). 

 Non- volatility, 1877, (2). 

 Occurrence, 1865, (4), (5) ; 1866, (2), (5); 



1867, (1); 1873, (1); 1874, (2); 1876, 



(4); 1877, (3); 1878, (1), (3), (4); 



1889, (1); 1893, (2); 1897, (1); 1898, 



(2); 1901, (7); 1904, (5). 

 Position in the periodicsystem, 1904,(2). 

 Preparation, (1866), (5) ; 1868, (2) ; 1869, 



(2); 1871, (3). 

 Properties, 1872, (1 ). 



Electrical, 1881, (2). 

 Magnetic, 1899, (1). 

 Reactions, 1873, (2); 1876, (3). 



Microscopic, 1900,(2); 1901, 

 (3). 

 Refraction equivalent, 1885, (2). 

 Relation to other elements, 1901, (I). 

 Researches, 1863, (2); 1861,(3); 1865, 



(1); 1867, (4); 1904, (3), (6). 

 Sale, 1866, (3). 



Separation from gallium, 1882, (1). 

 Specific heat, 1870, (1). 

 Spectrum, 1864, (1); 1865, (3), (6); 



1866,(6); 1876,(2); 1878,:(2) ; 1880, 



(3); 1881, (1); 1«92, (1); 1893, (3); 



1900, (1). 

 Speculations, 1864, (2). 

 Tensile strength, 1888, (1). 

 Valence, 1870, (3) ; 1875, (1) ; 1888, (3). 

 Value, 1875, (3); 1877, (4). 



15 



