According to the author's preface this little book "is intended to present the surgery of the rectum of the present day in a practical and condensed form to young surgeons and practitioners, who are," Dr. Wallis believes, "now beginning to take a serious and practical view of the ailments of this part of the body." The book is in reality an exceedingly exclusive and dogmatic presentation of the surgery of the rectum according to the views of Dr. Wallis, and these are, in some instances, peculiar. In the first chapter we find anorectal ulceration described as the "cause of fissure in ano. It is the cause of all ischiorectal, pelvirectal, submucous and subtegumentary abscesses, and as a natural sequence, it is the cause of all fistulæ, which are, so to speak, the residue of these abscesses. All tubercular fistulæ and those extensive ulcerations which proceed from them are due to