Abdominal organs of a male fetus, testis and inguinal canal, shown in situ and in isolation, in 6 numbered illustrations. 3 illustrations of dissection of the abdomen, anterior abdominal wall removed, intestines removed to show liver, gallbladder, stomach, penis, scrotum and testis. Testis shown undescended, and within the scrotum. Inguinal canal indicated. 2 illustration of perineum, showing descent of the testis in the inguinal canal. 1 illustration of perineum showing canal of Nuck.