CONTENTS 



PAGE 



INTRODUCTION ix 



CHAPTER 



I. Fathers, Mothers, and Children i 



II. Andalusian Fowls ... 7 



III. When Characters are Combined 12 



IV. Mendel and his Garden Peas 20 



V. Laws of Inheritance put to Use 26 



VI. Evolution of the Horse 34 



VII. A Few of Darwin's Facts 43 



VIII. Darwin's Problem 49 



IX. Five Links to the Chain 56 



X. Evidences of Evolution 64 



XL Acquired Characters and Mutations .... 72 



XII. Isolation, or Land Shells on Hawaii .... 81 



XIII. Changed Environment for Leptjnotarsa ... 88 



XIV. New Species through Changed Environment . 95 

 XV. Beginnings of the Next Generation .... 100 



XVI. The Marvel of Growth no 



XVII. Germ Cells damaged by Alcohol 118 



XVIII. From Fourteen to Twenty 126 



XIX. Nicotine and Adolescence 136 



XX. Alcohol as a Beverage 145 



XXI. The Crown of Evolution 153 



XXII. Family Responsibility 162 



XXIIL. Protect the Stream of Life 165 



vii 



