Mathematical Contributions to the Theory of Evolution. 155 



o 



a 



O 

 -a 



03 



m 









""a 



00 



00 



CO 











o 



CO 



I-l 







CI 



o 



(M 







x> 



00 





rH 





I— 1 





o 



CO 



! o 













a 



; 00 









I 









Total 













CI 





'a 







lO 





H 







U3 













^' 



1 O 





00 









00 



H 



1 c^ 





C5 





03 





00 

























Tot 



to 



O 



d 



CD 

 03 



o 



o 



o 



c3 



02 



i 









CO 







00 









CO 



















»o 

































• 00 









(•0 

































Tot 

















CO 







CO 









" 





H 



T-l 



I— 1 



(M 





CO 





















. 









CD 



Oi 







1-1 











als 











 H 





























s 













\a 





CO 





00 









tH 









00 









OS 









00 









« 









Is 









Tot 



