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. In a first edition of a book of this kind, errors of omission are inevitable, as few people have convenient access to each text book and treatise, even in one subject, as it makes its appearance Suggestions for additions will be welcomed and noted for future use, and should be accompanied by the name of the work in which the original definition is to be found, derivation offers no difficulty as a rule, but pronunciation might be indicated by coiners of entirely new terms.