384 



Maternal Inheritance and Mendelism 



Eggs laid by each moth 



Every mating, except those which gave divoltine white eggs, yielded 

 both crimson and normal-coloured eggs in an approximate proportion of 

 3N : IR respectively ; the total number of crimson and normal-coloured 

 eggs obtained from 17 F^ dark-eyed moth matings being 5026 and 1G91 

 respectively, that is to say, 3 normals : 1 crimson. 



C. F., Eggs. 



The mixed F^ eggs laid by the cross, Tetravoltine normal egged 

 X Crimson egged breed, were reared in the spring of 1910. Both the 

 normal and crimson-coloured eggs found in each batch were reared 

 separately and gave the following worms and moths : 



