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Table of contents
PREFACE
EROTIC SYMBOLISM-1.1
EROTIC SYMBOLISM-1.2
EROTIC SYMBOLISM-2.1
EROTIC SYMBOLISM-2.2
EROTIC SYMBOLISM-2.3
EROTIC SYMBOLISM-2.4
EROTIC SYMBOLISM-2.5
EROTIC SYMBOLISM-3.1
EROTIC SYMBOLISM-3.2
EROTIC SYMBOLISM-3.3
EROTIC SYMBOLISM-3.4
EROTIC SYMBOLISM-3.5
EROTIC SYMBOLISM-4.1
EROTIC SYMBOLISM-4.2
EROTIC SYMBOLISM-4.3
EROTIC SYMBOLISM-5.1
EROTIC SYMBOLISM-5.2
EROTIC SYMBOLISM-5.3
EROTIC SYMBOLISM-6
THE MECHANISM OF DETUMESCENCE-1.1
THE MECHANISM OF DETUMESCENCE-1.2
THE MECHANISM OF DETUMESCENCE-1.3
THE MECHANISM OF DETUMESCENCE-1.4
THE MECHANISM OF DETUMESCENCE-2.1
THE MECHANISM OF DETUMESCENCE-2.2
THE MECHANISM OF DETUMESCENCE-2.3
THE MECHANISM OF DETUMESCENCE-2.4
THE MECHANISM OF DETUMESCENCE-3.1
THE MECHANISM OF DETUMESCENCE-3.2
THE MECHANISM OF DETUMESCENCE-4.1
THE MECHANISM OF DETUMESCENCE-4.2
THE MECHANISM OF DETUMESCENCE-4.3
THE PSYCHIC STATE IN PREGNANCY-1
THE PSYCHIC STATE IN PREGNANCY-2
THE PSYCHIC STATE IN PREGNANCY-3
THE PSYCHIC STATE IN PREGNANCY-4
HISTORIES OF SEXUAL DEVELOPMENT HISTORY-1.1
HISTORIES OF SEXUAL DEVELOPMENT HISTORY-1.2
HISTORIES OF SEXUAL DEVELOPMENT HISTORY-2.1
HISTORIES OF SEXUAL DEVELOPMENT HISTORY-2.2
HISTORIES OF SEXUAL DEVELOPMENT HISTORY-3-4
HISTORIES OF SEXUAL DEVELOPMENT HISTORY-5.1
HISTORIES OF SEXUAL DEVELOPMENT HISTORY-5.2
INDEX OF AUTHORS

discusses the opinions of old authors regarding the nature, 

source, and uses of the female genital secretions, and quotes 

authorities against the old view that it was female semen. In a 

subsequent work (_Syllepsilogia_, 1731, pp. 3, et seq.) he 

returns to the same question, quotes authors who accept a 

feminine semen, shows that Harvey denied it any significance, and 

himself decides against it. It has not seriously been brought 

forward since. 

 

When erection is completed in both the man and the woman the conditions 

necessary for conjugation have at last been fulfilled. In all animals, 

even those most nearly allied to man, coitus is effected by the male 

approaching the female posteriorly. In man the normal method of male 

approach is anteriorly, face to face. Leonardo da Vinci, in a well-known 

drawing representing a sagittal section of a man and a woman connected in 

this position of so-called Venus obversa; has shown how well adapted the 

position is to the normal position of the organs in the human 

species.[105] 

 

Among monkeys, it is stated, congress is sometimes performed when 

the female is on all fours; at other times the male brings the 

female between his thighs when he is sitting, holding her with 

his forepaws. Froriep informed Lawrence that the male sometimes 

supported his feet on the female's calves. (Sir W. Lawrence, 

_Lectures on Physiology_, 1823, p. 186.) A summary of the methods 

of congress practiced by the various animals below mammals will 

be found in the article "Copulation" by H. de Varigny in Richet's 

_Dictionnaire de Physiologie_, vol. iv. 

 

The anterior position in coitus, with the female partner lying 

supine, is so widespread throughout the world that it may fairly 

be termed the most typically human attitude in sexual congress. 

It is found represented in Egyptian graves at Benihassan, 

belonging to the Twelfth Dynasty; it is regarded by Mohammedans 

as the normal position, although other positions are permitted by 

the Prophet: "Your wives are your tillage: go in unto your 

tillage in what manner soever you will;" it is that adopted in 

Malacca; it appears, from Peruvian antiquities, to have been the 

position generally, though not exclusively, adopted in ancient 

Peru; it is found in many parts of Africa, and seems also to have 

been the most usual position among the American aborigines. 

 

Various modifications of this position are, however, found. Thus, 

in some parts of the world, as among the Suahelis in Zanzibar, 

the male partner adopts the supine position. In Loango, according 

to Pechuel-Loesche, coitus is performed lying on the side. 

Sometimes, as on the west coast of Africa, the woman is supine 

and the man more or less erect; or, as among the Queenslanders 

(as described by Roth) the woman is supine and the man squats on 

his heels with her thighs clasping his flanks, while he raises 

her buttocks with his hands. 

 

The position of coitus in which the man is supine is without 

doubt a natural and frequent variation of the specifically human 

obverse method of coitus. It was evidently familiar to the 


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