Births of the two Sexes. 



101 



CO 



Oi 00 



-"^ CM 



GO |> 



O Oi 



^ '3 

 t 6 B 





rf< 00 



1> o 



lO CO 



O CN 



GO GO 



00 Oi 



-H 00 



r-i — H ,— I Oq 



S 



CO CM 



GO ^ 



8 8 



GO GO 



CO GO 



CSC • 



a G o^ 

 .2 ^ S o 



I Iff- 



£ :-^'§^. 



<u 2 3 S 

 c J2 ^ « 



2|^ 



U5 C7i 



00 t^ 



t-- 00 



GO 



GO l> 



00 t}« 



00 '-* 



CM CM 



to lO 



05 CO 



-^ O 

 05 O 



!>• 00 



GO CO 



00 a 



O CM 



iC3 uo 



CO 



o 



r-1 Cq 



Ci 



W5 CO 



OJ GO 



O r- 



»0 CO 



CO r-l 



•* 00 



05 CM 



rjH O 



t- 00 



X 



cr> CO 



00 O 



CO CM 



CO l> 



CO f-i 



§ 



00 



s 



00 



l-H I— t l-H J^ 



^ 0^ 

 CM CM 



00 00 



