28 ORIGIN OF A POLYDACTYLOUS RACE OF GUIXEA-PIGS. 



Table 14. — Character of the young of $ 3046 (GG), generation V. 



Table 15. — Sires grouped by generations of polydaciylotts ancestry. 



[The numerals in parenthesis indicate rank in potency of transmission of the polydactylons character. I>escent is 



shown in the male line only.] 



Table i6. — Frequency of ocntrrence of tht extra-toe in its several 

 degrees of development on the two sides of the body. 



Table it .—Character of the young produced by a mating between a normal {N') male and 

 females either polydactylous or of polydactylous ancestry. 



