Contents
| [ CHAPTER I. ] | TO LIMIT AT WILL THE NUMBER OF THEIR OFFSPRING |
| [ CHAPTER II. ] | ON GENERATION |
| [ CHAPTER III. ] | OF PROMOTING AND CHECKING CONCEPTION |
| [ CHAPTER IV. ] | REMARKS ON THE REPRODUCTIVE INSTINCT |
| [ CHAPTER I. ] | TO LIMIT AT WILL THE NUMBER OF THEIR OFFSPRING |
| [ CHAPTER II. ] | ON GENERATION |
| [ CHAPTER III. ] | OF PROMOTING AND CHECKING CONCEPTION |
| [ CHAPTER IV. ] | REMARKS ON THE REPRODUCTIVE INSTINCT |