Translator. A. E. Shipley
| I. | The Duration of Life, 1881 | 1 |
| II. | On Heredity, 1883 | 67 |
| III. | Life and Death, 1883 | 107 |
Translator. Selmar Schönland
| IV. | The Continuity of the Germ-plasm as the Foundation of a Theory of Heredity, 1885 | 161 |
| V. | The Significance of Sexual Reproduction in the Theory of Natural Selection, 1886 | 251 |
| VI. | On the Number of Polar Bodies and their Significance in Heredity, 1887 | 333 |
| VII. | On the Supposed Botanical Proofs of the Transmission of Acquired Characters, 1888. | 385 |
| VIII. | The Supposed Transmission of Mutilations, 1888 | 419 |
| I. | A short abstract in ‘Nature,’ Vol. XXXVII, pp. 541-542, by P. C. Mitchell. |
| II. | A short abstract in ‘Nature,’ Vol. XXXVIII, pp. 156-157, by P. C. Mitchell. |
| III. | A short article on the subject of this Essay in ‘The Nineteenth Century’ for May, 1885, by A. E. Shipley. |
| IV. | Abstract in ‘Nature,’ Vol. XXXIII, pp. 154-157, by Professor Moseley. |
| V. | Abstract in ‘Nature,’ Vol. XXXIV, pp. 629-632, by Professor Moseley. |
| VI. | Abstract in ‘Nature,’ Vol. XXXVI, pp. 607-609, by Professor Weismann. |
| VII, | VIII. The Essays being of so recent a date no abstract has yet appeared in this country. |
A criticism of Professor Weismann’s theories will be found in ‘The Physiology of Plants,’ by Professor Vines, Lecture XXIII, pp. 660 et seqq.