Dissection of the male urogenital system pre- and post-descent of the testis, and in the adult, shown in isolation, in 4 numbered illustrations. 2 illustrations of the testis in the fetal abdomen, with penis, bladder, testis, inguinal canal and gubernaculum shown. 1 illustration of same, showing the testis in the scrotum. 1 illustration of the adult male genitalia, with penis, intestine and scrotum shown with inguinal hernia.