K. TOYAMA 



403 



(1) 



The case where characteriHticH behaved maternally in inh(>ritanc<>. Huch ax normal, 

 reddisb brown, grey, etc. 



D = dominant ; i? = recessive cbaracteri sties. 



(1) (2) 



(?Dx,jii) (9 R X d D) 



i, i 



i, J, 



I 



i I 



{D + R) D 



{D + R) D 



J. 



I 



Constant 



1. 



(I> + J?) D (D ^ R) R 



R 



R 



R 



I 

 Constant 



(2) 



The case where characteristics behaved in normal Mendeliau order, snch as the crimson 

 colour. 



(1) (2) 



iD X gR 9R X iD 



In the former scheme, the D represents dominant coloured batches, the R recessive and 

 (D + R) & mixture of both D and R batches, while in the latter the D and R represent a 

 single batch of D and R eggs and the (3D : IR) a mixed batch consisting of D and R 

 in the proportion of 3 : 1. 



