384 



Maternal Inheritance and Menddism 



( ? Crimson x d' " Dragon-horn ") 



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

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

 3iV : \R respectively ; the total number of crimson and normal-coloured 

 eggs obtained from 17 F^ dark-eyed moth matings being 5026 and 1691 

 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 -colon red eggs found in each batch were reared 

 separately and gave the following worms and moths : 



Number of 

 parent batches 



S Tetravoltine I 

 i Crimson ( 



No. 6. 1 



No. 6. 8 



No. 6. 9 



Mixed rearing of Nos. 6. 2 

 and 7. 6 



Number of normal 



and crimson eggs 



in each batch 



IN. 342 

 jR. 136 



jN. 369 

 |R. 103 

 |N. 374 

 1r. 103 



594 



200 



Kinds of worms 

 hatched 



iN. 

 )R. 



Dark-eyed 

 281 (82 %) 





 301 (82 %) 





 290 (77 %) 







465 (78 7o) 

 



Crimson eggs derived from five batches 



Crimson-eyed 





 46(33%) 





 28 (27 °/o) 





 40 (38 %) 







91 (45 °/o) 

 89 



Moths 

 all dark-eyed 

 all crimson-eyed 

 all dark-eyed 

 all crimson-eyed 

 all dark-eyed 

 all crimson-eyed 

 all dark-eyed 

 all crimson-eyed 

 all crimson-eyed 



