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II, No. 1, pp. 53f. Goldschmidt, R. A Case of Facultative Parthenogenesis. Biol. Bulletin, 1917. Vol. XXXII, No. 1, p. 38. Goldschmidt, R. Intersexuality and the Endocrine Aspect of Sex. Endocrinology, Vol. I, p. 434. 1917. Fine summary of the work done on moths, birds and various forms by many biologists. Riddle, Dr Oscar.

Procreative Control the Outcome of Natural and Civilized Progress The Growth of Neo-Malthusian Beliefs and Practices Facultative Sterility as Distinct from Neo-Malthusianism The Medical and Hygienic Necessity of Control of Conception Preventive Methods Abortion The New Doctrine of the Duty to Practice Abortion How Far is this Justifiable?

Procreative Control the Outcome of Natural and Civilized Progress The Growth of Neo-Malthusian Beliefs and Practices Facultative Sterility as Distinct from Neo-Malthusianism The Medical and Hygienic Necessity of Control of Conception Preventive Methods Abortion The New Doctrine of the Duty to Practice Abortion How Far is this Justifiable?

By active social reform in these two directions, the new movement in favor of abortion may be kept in check, and it may even be found that by stimulating such reform that movement has been beneficial. We have seen that the deliberate restraint of conception has become a part of our civilized morality, and that the practice and theory of facultative abortion has gained a footing among us.

The great majority of bacteria, however, while they prefer to have oxygen, are able to live without it, and are called facultative anaërobes.

We have seen that, alike on the side of practice and of theory, a great change has taken place during recent years in the attitude towards abortion. It must, however, clearly be recognized that, unlike the control of procreation by methods for preventing conception, facultative abortion has not yet been embodied in our current social morality.

As if by accident he opened the drawer of the little table by her bedside, and hastily closed it again, but not before he had read the title on the paper-cover of a small book and caught sight of a few strange-looking objects, the purpose of which he could guess. That was it then! Facultative Sterility!

The other, of which we took notice in a former article, was the "liberté facultative" of shaping our scientific conceptions to gratify the demands not solely of objective truth, but of intellectual and aesthetic suitability. It would be an excellent thing, M. Comte thinks, if science could be deprived of its sécheresse, and directly associated with sentiment.

Mensinga, the gynæcologist, is the most prominent advocate, on medical and hygienic grounds, of what he terms "facultative sterility," which he first put forward about 1889. In Russia, about the same time, artificial sterility was first openly advocated by the distinguished gynæcologist, Professor Ott, at the St. Petersburg Obstetric and Gynæcological Society.