^U^^jV 



STUDIES IN TP^E THEORY 

 OF DESCENT 



BY 



DR. AUGUST WEISMANN 



PROFESSOR IN THE UNIVERSITY OF FREIBURG' 



WITH NOTES AND ADDITIONS BY THE AUTHOR 



jf 



TRANSLATED AND EDITED, WITH NOTES, BY 



RAPHAEL MELDOLA, F.C.S. 



LATE VICB-PESIDENT OF THE ENTOMOLOGICAL SOCIETY OF LONDON, 



WITH A PREFATORY NOTICE BY, 4 



CHARLES DARWIN, LL.D.J 



Author of " The Origin of Species" &f 



I 



IN TWO VOLUMES 

 VOL II. 



WITH EIGHT COLOURED PLATES 



ILnntJon : -. 

 -\MPSON LOW, MARSTOM, SKARLF., & RIVINGTON 



CROWN BUILDINGS, 188, FLEET STREET 



1882 

 [ All rigkis reserved. ] j 



