CONTENTS OF VOLUME I. 



Translator. Title. Page. 



I. A. E. Shipley . . The Duration of Life, i88r . . i 



II. ,, On Heredity, 1883 . . . .67 



III. „ Life and Death, 1883 . . . 107 



IV. Selmar Schonland The Continuity of the Germ-plasm 



AS the Foundation of a Theory 



of Heredity, 1885 . . . .163 



V, „ The Significance of Sexual Repro- 



duction in the Theory of Natural 

 Selection, 1886 .... 257 



VI. „ On the Number of Polar Bodies and 



THEIR Significance in Heredity, 

 1887 343 



VII. „ On the Supposed Botanical Proofs 



of the Transmission of Acquired 

 Characters, 1888 .... 397 



VIII. „ The Supposed Transmission of Muti- 

 lations, 1888 431 



