1906.] 



FEMALE LINE IN POLAND SOWS. 251 



TABLE TIL — Correlation of Size of Litters of Three- Year-Old Sows to 



Size of Litters in which Dams were Farrowed. " American 



Poland China Record." — Litters of 1902. 



Size of Litters of Three-Year-Old Sows. 



TABLE IV. — Correlation of Size of Litters of Four- Year-Old Sows to 



Size of Litters in which Dams were Farrowed. " American 



Poland China Record." — Litters of 1902. 



C/3 



