152 



Expermiental Zoology 



The results of the second generation are different when the 

 spotted forms from the pure spotted brood produced by spotted 

 parents are paired. In this case both spotted (1021) and black 



'\~^/' 



K^ ••/' 



Fig. 16. Development of the two-color patterns of Lina Japonica. (After 

 McCracken.) 



