forth. Where there is really such a difference—as to some, though not to a considerable extent there is— the conclusions here given are to be taken as the author's more matured opinion on the subject.
I have to express my thanks to Mr. Goddard H. Orpen, of Lincoln's Inn, for his careful reading of the proofs while passing through the press, as well as for suggestions and criticisms which assisted me to make improvements in particular parts of the book.