| [Part I] |
| Page |
| Introductory | [6] |
| Alchemy | [7] |
| Modern Chemistry | [8] |
| Mediæval Chemistry | [10] |
| John Dalton | [13] |
| The Atomic Theory | [14] |
| The Elements | [15] |
| Atomic Weights | [16] |
| Valency | [17] |
| The Periodic Law | [18] |
| Earlier Discoveries | [20] |
| Analysis and Synthesis | [21] |
| Formulæ and Equations | [22] |
| Organic vs. Inorganic Chemistry | [23] |
| Organic Compounds | [25] |
| Catalysis | [26] |
| Enzymes | [27] |
| Hormones | [27] |
| Chemistry of the Earth | [28] |
| The Spectroscope | [29] |
| Astro-Physics and Chemistry | [31] |
| Spectrum Analysis | [31] |
| Industrial Chemistry | [33] |
| Instruments of Research | [36] |
| Salinity of the Oceans | [37] |
| The Newer Chemistry | [38] |
| Radio-Activity | [39] |
| Intra-Atomic Energy | [39] |
| The Electrical Theory of Matter | [40] |
| Within the Atom | [42] |
| Electrons | [43] |
| The Nature of Matter | [44] |
| [Part II] |
| The Elements | [46] |
| Radio-Activity | [49] |
| The Origin of Life | [51] |
| Creation of Life | [52] |
| The Ether | [53] |
| Chemistry and Metaphysics | [55] |