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. Thus situated, it became an essential duty in the Editor to anglicise the matter, as well as translate the language of his au thor: but in performing this task, the ge neral sentiments and opinions of M. Engel were scrupulously retained; though, in every particular application of them, great care was taken to give the work, in its new form, all the interest of which it was susceptible to the English reader.