임신 가능한 남녀의 젊은이를 위한 성의 본질에 대한 성교육적인 책으로 의사가 쓴책.
결혼과 성행위와 임신과 출산에 대해서 쓴책.
The Book of Nature,by James Ashton
Containing information for young people who think of getting
married, on the philosophy of procreation and sexualintercourse,
showing how to prevent conception and to avoid child-bearing:
also, rules for management during labor and child-birth

INDEX TO CONTENTS.
Abortions and Miscarriages 61

Abortions, how produced 62-63

Aphrodisiacs 63

Child-getting, how to avoid 38

Clitoris, the 19

Conception, modes of preventing 38

Conception, signs of 55

Conception, how to avoid 25

Coverings for the Penis 41

Drugs to destroy the Semen 12-40

Ergot of Rye 62-64

Fallopian Tubes 15

Female Generative Organs 13-14

Female Private Parts 18

Fœtus, development of the 31

Fœtus, size and position of 33

Hymen, the 17

Impregnation 24

Impregnation, manner of 26

Intellect, how formed 48

Labor and Child-birth 55 to 60

Longevity, causes of 53

Love Powders 63

Male Generative Organs 5

Management at difficult Births 60

Marriage, natural laws of 50

Miscarriages 61

Nymphomania 27

Orgasms of a Female 35

Ovaries of a Female 13

Ova, expulsion of the 14

Ovum, or Egg 13

Penis, the 7

Penis, malformations of the 8

Pregnancy, how to detect 54

Semen, the 10

Semen, animalcules of the 11

Sexual Abuses 44

Sexual Desires 20

Sexual Enjoyment of Females 34

Sexual Feeling in Females 35

Sexual Indulgence 33

Sexual Indulgence, time for 36

Sexual Intercourse, too early 42

Sexual Intercourse, too frequent 22

Sexual Intercourse, enjoyment of 36

Sexual Intercourse, position at 46

Sexual Organs, Food to stimulate 37

Sexual Union 21-22

Sex of a Child, how determined 28

Testes, the 6

Temperaments, laws of the 50

Unborn Child, growth of the 32

Unborn Child, intellect of 48

Uterus, or Womb 16

Vagina, the 16

Vital Force, influence of 52

Wife, choice of a 48

Why Children look like Parents 30

Zoospermes 10