^M% 



THE 



THEORY OF EYOLUT 



IN THE 



LIGHT OF FACTS 



BY 



KAKL FBANK, S.J. 



WITH A CHAPTER ON ANT GUESTS AND TERMITE GUESTS 



BY 



P. E. WASMANN 



TRANSLATED FEOM THE GERMAN 



BY 



CHAELES T. DKUEKY, F.L.S., V.M.H. 



VICTORIA GOLD MEDAL OF HONOUR 'IN HORTICULTURE 



WITH 48 ILLUSTRATIONS 



LONDON 



KEGAN PAUL, TKENCH, TKUBNEK & CO. LTD. 

 B. HEBDER: 17 SOUTH BBOADWAY, ST. LOUIS, MO. 



1913 



