JOURNAL OF GENETICS, VOL 1. NO. 1 



PLATE IV 



A 



2^ 



~7^ 



8 



'€ 



25 



^)y 



36 



/o 



// 



21 



Hf^ 



^r 



-^?^ 



J ^ 



40 



Co 



65 



_ J 



f 1( 



