56 Journal of Agricultural Research voi.xv. no. i 



(34) Pearl, Raymond. 



I915. STUDIES ON INBREEDING. VI. SOME FURTHER CONSIDERATIONS REGARD- 

 ING COUSIN AND RELATED KINDS OP MATING. In Amer. Nat., V. 49, no. 



585, p. 570-575. 1 fig- 



(35) — 



I917. STUDIES ON INBREEDING. VII. SOME FURTHER CONSIDERATIONS REGARD- 

 ING THE MEASUREMENT AND NUMERICAL EXPRESSION OP DEGREES OP 



KINSHIP. In Amer. Nat., v. 51, no. 609, p. 545~559- i fig- 



(36) 



191 7. STUDIES ON INBREEDING. VHI. A SINGLE NUMERICAL MEASURE OF THE 



TOTAL AMOUNT OP INBREEDING, /n Amer. Nat., V. 51, no. 610, p. 636-639^ 



I fig. 



(37) and Miner, J. R. 



1913. TABLES FOR CALCLTLATING COEFFICIENTS OP INBREEDING. Maine Agr. 



Exp. Sta. Bui. 218, p. 191-202. 

 (38) and Patterson, S. W. 



1917. THE CHANGE OP MILK FLOW WITH AGE, AS DETERMINED FROM SEVEN DAY 



RECORDS OP JERSEY COWS. Maine Agr. Exp. Sta. Bui. 262, p. 145-152, 



fig- 7- 



(39) Pearson, Karl. 



1910. NOTE ON THE separate INHERITANCE OP QUANTITY AND QUALITY IN COWS' 



MILK. In Biometrika, v. 7, pt. 4. p. 548-550. 



(40) RiETZ, H. L. 



1909. ON INHERITANCE IN THE PRODUCTION OP BUTTER FAT. In Biomctrika, 



V. 7, pt. 1/2, p. 106-126. 



(41) Spillman, W. J. 



1905. MENDEL 's LAW IN RELATION TO ANIMAL BREEDING. In Amer. Breeders' 

 Assoc. Proc, V. i,p. 171-177. 



(42) Wallace, Robert. 



1889. FARM LIVE STOCK OP GREAT BRITAIN. 333 p., iHus. Edinburgh. 



(43) Walther, a. R. 



I913. DIE VERERBUNG UNPIGMENTIERTER HAARE (SCHIMMELUNG) UND HAUS- 

 TELLEN ("aBZEICHEN") BEI kind UND PFERD ALS BEISPIELE TRANS- 



GRESSiv FLUKTuiERENDER FAKTOREN. In Ztsclir. Abst. u. Vererb., 

 Bd. 10, Heft 1/2, p. 1-48, 2 fig., I pi. 



(44) Wentworth, E. N. 



1912. SEGREGATION IN CATTLE. In Ann. Rept. Amer. Breeders' Assoc., v. 7/8, 



p. 572-580, 14 fig. 



(45) 



1913. color in shorthorn cattle. In Amer. Breeders' Mag., v. 4, no. 4, p. 



202-208, illus. 



(46) 



1916. a sex-limited color in AYRSHIRE CATTLE. In Jour. Agr. Research, v. 

 6, no. 4, p. 141-147. Literature cited, p. 147. 



(47) WiLCKENS, M. 



1876. DIE ABANDERNDEN EINFLOSSE DER KULTUR AVnf DIE FORM DES RINDER- 



SCHADELS. In Landw. Jahrb., Bd. 5, p. 651-653. 



(48) WiLSDORF, Georg. 



1912. TiERzOcHTUNG. iio p., 12 pi. Leipzig. Reviewed in Jour. Hered., v. 

 6, no. 3, p. 109-116. 



(49) Wilson, James. 



1908. TRANSMISSION OP COLOR IN SHORT- HORNS. In Breeders' Gaz., v. 54, no. 

 3, p. 86. 



