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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

 

"If the foregoing statements are true, it is easy to see why the 

pleasure of the man is much increased when the orgasm occurs at 

the same time in his partner and himself, for the contractions of 

the vagina upon the penis would increase the stimulation of all 

the nerve endings in that organ for which a mechanical stimulus 

is adequate, and the prominence of the corpus spongiosum and 

corona would ensure them the greatest stimulation. It seems not 

improbable that the specific sensation of orgasm rises from the 

stimulation of the peculiar form of nerve end-bulbs which Krause 

found in the corpus spongiosum and in the glans. 

 

"The characteristic massiveness of the experience is probably due 

largely to the great number of sensations of strain and pressure 

caused by the powerful reflex contraction of so many of the 

voluntary muscles. 

 

"Of course, the foregoing analysis is purely tentative, and I 

offer it only on the chance that it may suggest some line of 

inquiry which may lead to results of value to the student of 

sexual psychology." 

 

In man the whole process of detumescence, when it has once really 

begun, only occupies a few moments. It is so likewise in many 

animals; in the genera Bos, Ovis, etc., it is very short, almost 

instantaneous, and rather short also in the Equidae (in a vigorous 

stallion, according to Colin, ten to twelve seconds). As 

Disselhorst has pointed out, this is dependent on the fact that 

these animals, like man, possess a vas deferens which broadens 

into an ampulla serving as a receptacle which holds the semen 

ready for instant emission when required. On the other hand, in 

the dog, cat, boar, and the Canidae, Felidae, and Suidae generally, 

there is no receptacle of this kind, and coitus is slow, since a 

longer time is required for the peristaltic action of the vas to 

bring the semen to the urogenital sinus. (R. Disselhorst, _Die 

Accessorischen Geschlechtsdrusen der Wirbelthiere_, 1897, p. 

212.) 

 

In man there can be little doubt that detumescence is more 

rapidly accomplished in the European than in the East, in India, 

among the yellow races, or in Polynesia. This is probably in part 

due to a deliberate attempt to prolong the act in the East, and 

in part to a greater nervous erethism among Westerns. 

 

In the woman the specifically sexual muscular process is less visible, 

more obscure, more complex, and uncertain. Before detumescence actually 

begins there are at intervals involuntary rhythmic contractions of the 

walls of the vagina, seeming to have the object of at once stimulating and 

harmonizing with those that are about to begin in the male organ. It would 

appear that these rhythmic contractions are the exaggeration of a 

phenomenon which is normal, just as slight contraction is normal and 

constant in the bladder. Jastreboff has shown, in the rabbit, that the 

vagina is in constant spontaneous rhythmic contraction from above 

downward, not peristaltic, but in segments, the intensity of the 

contractions increasing with age and especially with sexual development. 

This vaginal contraction which in women only becomes well marked just 


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