The ovarian cystoma which develop without a pedicle are rare, and yet are met with sufficiently often to make their study of interest and practical importance. They have been called intra-ligamentous, under the belief that they develop with in the folds of the broad ligament, but I have never been able to demonstrate such origin. The explanation offered is that, by some error of development, the embryonic ovary becomes displaced. It has also been assumed that adhesions of the ovary to the folds of the broad ligament might cause these to grow with the tumor, and thus form a capsule over it.
The ovary, when not diseased, is often found with some degree of variation of attachment, as well as distribution of vessels. The pedicle may be so short that the deeper portion is almost, or quite within the reflexion of the peritoneal investment of the ligaments. When such a