JOURNAL OF GENETICS, VOL. IM. NO. 4 



PLATE XVMI 



1 



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cA.n. 



7 8 







*^» 



• ^ 10 



* • i 



11 ^ 12 









13 



14 



18 -W- 



QO 23 



•4 r 



; ^ 



24 



26 



' K'k' 

 27 





31 





'--:? 



32 



