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of temperature, but sense of locality, tactile sense, and judgment of size were often widely erroneous. It is significant that virgins were just as insensitive as married women or those who had had children. Calmann's experiments appear to be confirmed by the experiments of Marco Treves, of Turin, on the thermoesthesiometry of mucous membranes, as reported to the Turin International Congress of Physiology (and briefly noted in _Nature_, November 21, 1901). Treves found that the sensitivity of mucous membranes is always less than that of the skin. The mucosa of the urethra and of the cervix uteri was quite incapable of heat and cold sensations, and even the cautery excited only slight, and that painful, sensation.
In further illustration of this point reference may be made to the not infrequent cases in which the whole process of parturition and the enormous distention of tissues which it involves proceed throughout in an almost or quite painless manner. It is sufficient to refer to two cases reported in Paris by Mace and briefly summarized in the _British Medical Journal_, May 25, 1901. In the first the patient was a primipara 20 years of age, and, until the dilatation of the cervix was complete and efforts at expulsion had commenced, the uterine contractions were quite painless. In the second case, the mother, aged 25, a tripara, had previously had very rapid labors; she awoke in the middle of the night without pains, but during micturition the fetal head appeared at the vulva, and was soon born.
Further illustration may be found in those cases in which severe inflammatory processes may take place in the genital canal without being noticed. Thus, Maxwell reports the case of a young Chinese woman, certainly quite normal, in whom after the birth of her first child the vagina became almost obliterated, yet beyond slight occasional pain she noticed nothing wrong until the husband found that penetration was impossible (_British Medical Journal_, January 11, 1902, p. 78). The insensitiveness of the vagina and its contrast, in this respect, with the penis--though we are justified in regarding the penis as being, like organs of special sense, relatively deficient in general sensibility--are vividly presented in such an incident as the following, reported a few years ago in America by Dr. G.W. Allen in the _Boston Medical and Surgical Journal_: A man came under observation with an edematous, inflamed penis. The wife, the night previous, on advice of friends, had injected pure carbolic acid into the vagina just previous to coitus. The husband, ignorant of the fact, experienced untoward burning and smarting during and after coitus, but thought little of it, and soon fell asleep. The next morning there were large blisters on the penis, but it was no longer painful. When seen by Dr. Allen the prepuce was retracted and edematous, the whole penis was much swollen, and there were large, perfectly raw surfaces on either side of the glans.
In this connection we may well bring into line a remarkable group of phenomena concerning which much evidence has now accumulated. I refer to the use of various appliances, fixed in or around the penis, whether permanently or temporarily during coitus, such appliance being employed at the woman's instigation and solely in order to heighten her excitement in congress. These appliances have their great center among the Indonesian peoples (in Borneo, Java, Sumatra, the Malay peninsula, the Philippines, etc.), thence extending in a modified form through China, to become, it appears, considerably prevalent in Russia; I have also a note of their appearance in India. They have another widely diffused center, through which, however, they are more sparsely scattered, among the American Page 3 from 5: Back 1 2 [3] 4 5 Forward |