CONTENTS. 



DEDICATION . . . . . v 



EDITOR'S PREFACE . . . . . vii 



Glossarial Note . . . . . x 



SECTION I. 



General remarks on the interbreeding of human races . 1 



Pretended examples of hybrid races (note on the Griquas of 



Southern Africa) . . . . .3 



Significations of the words race and type . . .12 



SECTION II. 



On Eugenesic Hybridity in the Genus Homo . .10 



SECTION III. 



Examples tending to prove that the interbreeding of certain 



human races is not Eugenesic . . . 25 



Remarks on the interpretation of human hybridity . .26 

 Relative infecundity of the interbreeds between the White and 



Negro . . . . . .28 



Relative sterility of some Mulattoes in the first generation . 30 



Moral or physical inferiority of some Mulattoes . . ib. 



