210 MULTIPLE ALLELOMORPHS 
and in that in most cases the hybrid shows at the 
same time the characters of each parent. Both of 
these peculiarities occur in other cases, however, 
Fie. 52.—Four types, A, B, C, J, of Paratettix. Below are hybrids 
between A and B, B and C, and Band J. (After Nabours.) 
as in Emerson’s corn for instance, although nowhere 
perhaps so strikingly as in Paratettix. 
In any attempt to decide between the two alter- 
