In France, and on the Continent of Europe generally, a covering (used by the male), called a _baudruche_ (known as the French Secret), is used with success, with the view of preventing pregnancy. Its intention, however, and for which, perhaps, it is specially adapted, is to obviate the penalty incurred by prostitution, and thereby guard against the contraction of syphilis. But as the object of the author is not to facilitate, but, on the contrary, effectually to prevent the degrading intercourse the consequences of which are sought to be avoided, in adverting to it therefore, he has only in view its adaptation to prevent conception. If made of proper material and texture, it can, to a certain extent, be relied upon. Deeming this latter consideration of essential importance, and having been applied to in regard to it, he has imported them made of the only material of which they should be composed. Address Dr. A. M. Mauriceau, Box “1224,” N. Y. City, who will send them by mail to any part of the United States. Price $5 a dozen. Footnote 41: “This, of course, must be rather a matter of conjecture and approximation, than of accurate calculation.” Footnote 42: “Any young man who will carefully note and compare his sensations, will become convinced, that temperance positively forbids such indulgence, at any rate, more than twice a week; and that he trifles with his constitution who neglects the prohibition. How immeasurably important that parents should communicate to their sons, but especially to their daughters, facts like these! It is true that much depends upon habit, as some individuals can indulge even daily without apparently sustaining any physical injury; but such a frequency may not be compatible with the well-being of both parties, and should therefore not be encouraged.” Footnote 43: The writer, under the circumstances just mentioned, in the course of his practice as Professor of the Diseases of Women, has been called upon to effect miscarriages, and in all cases, it has proved perfectly safe, recovery following in about three days. When necessary to be attended to, the earlier the better, but in no case, if properly effected, with ordinary care on the part of the patient, is it attended with any danger. A skilful and practised obstetrician will impart no pain. Footnote 44: