This source of error, the careless acceptance of sexually intermediate forms as representative subjects for measurement, has maimed other investigations and seriously retarded the attainment of genuine and useful results. Those, for instance, who wish to speculate about the cause of the superfluity of male births have to reckon with this source of error. In a special way this carelessness will revenge itself on those who are investigating the ultimate causes that determine sex. Until the exact degree of maleness or femaleness of all the living individuals of the group on which he is working can be determined, the investigator will have reason to distrust both his methods and his hypotheses.
If he classify sexually intermediate forms, for instance, according to their external appearance, as has been done hitherto, he will come across cases which fuller investigation would show to be on the wrong side of his results, whilst other instances, apparently on the wrong side, would right themselves. Without the conception of an ideal male and an ideal female, he lacks a standard according to which to estimate his real cases, and he gropes forward to a superficial and doubtful conclusion. Maupas, for instance, who made experiments on the determination of sex in Hydatina senta, a Rotifer, found that there was always an experimental error of from three to five per cent. At low temperatures the production of females was expected, but always about the above proportion of males appeared; so also at the higher temperatures a similar proportion of females appeared. It is probable that this error was due to sexually intermediate stages, arrhenoplasmic females at the high temperature, thelyplasmic males at the low temperature. Where the problem is more complicated, as in the case of cattle, to say nothing of human beings, the process of investigation will yield still less harmonious results, and the correction of the interpretation which will have to be made by allowing for the disturbance due to the existence of sexually intermediate forms will be much more difficult.
The study of comparative pathology of the sexual types is as necessary as their morphology, physiology and development. In this region of inquiry as elsewhere, statistics would yield certain results. Diseases manifestly much more abundant in one sex might be described as peculiar to or idiopathic of thelyplasm or arrhenoplasm. Myxœdema, for instance, is idiopathic of the female, hydrocele of the male.
But no statistics, however numerous and accurate, can be regarded as avoiding a source of theoretical error until it has been shown from the nature of any particular affection dealt with that it is in indissoluble, functional relation with maleness or femaleness. The theory of such associated diseases must supply a reason why they occur almost exclusively in the one sex, that is to say, in the phrase of this treatise, why they are thelyplasmic or arrhenoplasmic.
CHAPTER III
THE LAWS OF SEXUAL ATTRACTION
Carmen:
“L’amour est un oiseau rebelle, Que nul ne peut apprivoiser: Et c’est bien en vain qu’on l’appelle S’il lui convient de refuser. Rien n’y fait; menace ou prière: L’un parle, l’autre se tait; Et c’est l’autre que je préfère; Il n’a rien dit, mais il me plaît.
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L’amour est enfant de Bohême Il n’a jamais connu de loi.”
It has been recognised from time immemorial that, in all forms of sexually differentiated life, there exists an attraction between males and females, between the male and the female, the object of which is procreation. But as the male and the female are merely abstract conceptions which never appear in the real world, we cannot speak of sexual attraction as a simple attempt of the masculine and the feminine to come together. The theory which I am developing must take into account all the facts of sexual relations if it is to be complete; indeed, if it is to be accepted instead of the older views, it must give a better interpretation of all these sexual phenomena. My recognition of the fact that M and F (maleness and femaleness) are distributed in the living world in every possible proportion has led me to the discovery of an unknown natural law, of a law not yet suspected by any philosopher, a law of sexual attraction. As observations on human beings first led me to my results, I shall begin with this side of the subject.
Every one possesses a definite, individual taste of his own with regard to the other sex. If we compare the portrait of the women which some famous man has been known to love, we shall nearly always find that they are all closely alike, the similarity being most obvious in the contour (more precisely in the “figure”) or in the face, but on closer examination being found to extend to the minutest details, ad unguem, to the finger-tips. It is precisely the same with every one else. So, also, every girl who strongly attracts a man recalls to him the other girls he has loved before. We see another side of the same phenomenon when we recall how often we have said of some acquaintance or another, “I can’t imagine how that type of woman pleases him.” Darwin, in the “Descent of Man,” collected many instances of the existence of this individuality of the sexual taste amongst animals, and I shall be able to show that there are analogous phenomena even amongst plants.
Sexual attraction is nearly always, as in the case of gravitation, reciprocal. Where there appear to be exceptions to this rule, there is nearly always evidence of the presence of special influences which have been capable of preventing the direct action of the special taste, which is almost always reciprocal, or which have left an unsatisfied craving, if the direct taste were not allowed its play.
The common saying, “Waiting for Mr. Right,” or statements such as that “So-and-so are quite unsuitable for one another,” show the existence of an obscure presentiment of the fact that every man or woman possesses certain individual peculiarities which qualify or disqualify him or her for marriage with any particular member of the opposite sex; and that this man cannot be substituted for that, or this woman for the other without creating a disharmony.
It is a common personal experience that certain individuals of the opposite sex are distasteful to us, that others leave us cold; whilst others again may stimulate us until, at last, some one appears who seems so desirable that everything in the world is worthless and empty compared with union with such a one. What are the qualifications of that person? What are his or her peculiarities? If it really be the case—and I think it is—that every male type has its female counterpart with regard to sexual affinity, it looks as if there were some definite law. What is this law? How does it act? “Like poles repel, unlike attract,” was what I was told when, already armed with my own answer, I resolutely importuned different kinds of men for a statement, and submitted instances to their power of generalisation. The formula, no doubt, is true in a limited sense and for a certain number of cases. But it is at once too general and too vague; it would be applied differently by different persons, and it is incapable of being stated in mathematical terms.
This book does not claim to state all the laws of sexual affinity, for there are many; nor does it pretend to be able to tell every one exactly which individual of the opposite sex will best suit his taste, for that would imply a complete knowledge of all the laws in question. In this chapter only one of these laws will be considered—the law which stands in organic relation to the rest of the book. I am working at a number of other laws, but the following is that to which I have given most investigation, and which is most elaborated. In criticising this work, allowance must be made for the incomplete nature of the material consequent on the novelty and difficulty of the subject.
Fortunately it is not necessary for me to cite at length either the facts from which I originally derived this law of sexual affinity or to set out in detail the evidence I obtained from personal statements. I asked each of those who helped me, to make out his own case first, and then to carry out observations in his circle of acquaintances. I have paid special attention to those cases which have been noticed and remembered, in which the taste of a friend has not been understood, or appeared not to be present, or was different from that of the observer. The minute degree of knowledge of the external form of the human body which is necessary for the investigation is possessed by every one.
I have come to the law which I shall now formulate by a method the validity of which I shall now have to prove.
The law runs as follows: “For true sexual union it is necessary that there come together a complete male (M) and a complete female (F), even although in
