riddle: control of sex ratio 



331 



&ZX COA/77POA s4A/£> /TA/OPVA/ (?0/?/?£Zs47yO/VS- /A/ /O/CaTO/US . 



■SA'/PWG' 



s<!C/TtSA7A/ 



<3. (f.. dV, rf, cT, <S tf o o o o a 9 '-' 



cf rf cf <f <f 5 $ 2 2 ? £ 2 ° ° 



/ 2 3 -4 & 6 7 3 S> /0 // /2 A3 /«£ 



I jj • • •••••••••••• 



V % •. •• % •• •• •• •• •• •• •• •• % •# 



A/9 2 



/vp 3 



A/? 4* 



A/PS 



A/p6" 



A/9 '7 



A/98 



A/? 9 



A/P/O 





/4A/& C?s<?/£-A/7?4Z/S - (<?J ■ 



