Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. There is a saying that the first shall be last, and the last first. If this saying has any relation to the making of books it means that the first few pages of a book are often the last to be written and printed; so with these two pages, which enables the writer, in concluding his work, to make a few remarks thereon.