Since the operation of seminal vesiculotomy has been before the profession for a considerable period of time, no attempt will here be made to describe the procedure itself. All those desirous of such information are referred to my previous articles.1My first article was written during the experimental stage of the work; the second, after the procedure had established itself on a firm, practical basis. In the second article it will be seen that some of the original experimental technic was abandoned and that improved features were substituted. At present, having more than doubled my surgical experience with the operation since the 1909 article was written, my cases then having numbered only 126, I naturally feel that my technic and surgery are more competent than they were three years ago. Still, in the way of a general description of the operative procedure itself, there is little to add. To