184 



INHERITANCE IN RATS. 



Table 149 shows the classification of generation 15, plus-selection series. 



TABLE 149. 



Table 150 shows the classification of generation 16, plus-selection seiies. 



TABLE 150. 



Table 151 shows the classification of generation 13, minus-selection series. This is an 

 enlargement of table 28 of Castle and Phillips. 



TABLE 151. 



