It may be well that I should put a short preface to this book. In the summer of 1878 my father told me that he had written a memoir of his own life. He did not speak about it at length, but said th...

It may be well that I should put a short preface to this book. In the summer of 1878 my father told me that he had written a memoir of his own life. He did not speak about it at length, but said that he had written me a letter, not to be opened until after his death, containing instructions for publication.