NEW YORK                    C.P. FARREL, 117 EAST 21st STREET 1916 The position taken by the writer of this volume should be clearly understood. It is not the view known as antivivisection, so far as this means the condemnation without exception of all phases of biological investigation. There are methods of research which involve no animal suffering, and which are of scientific utility. Within certain careful limitations, these would seem justifiable. For nearly

———— By a curious coincidence, two books relating to vivisection were published in America at almost the same time. One, under the above title, was a collection of essays and contributions to various periodicals from the pen of Dr. William W. Keen, which have appeared during the past thirty years. The other was the first edition of the present work. The volume to which the reader's attention is called is chiefly an exposition of the author's views on the scientific value of biological experiment