Sept. 15. I9I9 Variation in Milk of Ayrshire Cows 321 



(13) Pearl, Raymond, and Patterson, S. W. 



1917. THE CHANGE OF MLK FLOW WITH AGE, AS DETERMINED FROM SEVEN DAY 



RECORDS OF JERSEY COWS. Maine Agr. Exp. Sta. Bui. 262, p. 145-162. 

 (14) , and Pearl, M. D. 



1909. DATA ON VARIATION IN THE COMB OF THE DOMESTIC FOWL. 7w Biometrika, 

 V. 6, pt. 4, p. 420-432, 3 pi. 



(15) , and Surface, Frank M. 



1909. a BIOMETRICAL STUDY OF EGG PRODUCTION IN THE DOMESTIC FOWL. I. 

 VARIATION IN ANNUAL EGG PRODUCTION. U. S. Dept. Agr. Bur. 



Anim. Indus. Bui. no, pt. i, p. 1-80, 17 fig. 



(16) , and Surface, Frank M. 



I914. A BIOMETRICAL STUDY OF EGG PRODUCTION IN THE DOMESTIC FOWL. III. 

 VARIATION AND CORRELATION IN THE PHYSICAL CHARACTERS OP THE 



EGG. U. S. Dept. Agr. Bur. Anim. Indus. Bui, no, pt. 3, p. 171-241, 

 14 fig. 



(17) Pearson, Karl. 



1894. contributions to the mathematical theory of evolution. In Phil. 

 Trans. Roy. Soc. London, A, v. 185, pt. i, p. 71-110, pi. 1-5. 



(18) 



(19) 

 (20) 



(21) 



(22) 



(23) 



1895. contributions to the mathematical theory of evolution. II. 

 SKEW variation in HOMOGENEOUS MATERIAL. In Phil. Trans. Roy. 

 Soc. London, A, v. 186, pt. i, p. 343-414, pi. 7-16. 



1897. THE chances OF DEATH. ... v. I. London. 



1901. MATHEMATICAL CONTRIBUTIONS TO THE THEORY OF EVOLUTION. X. SUP- 

 PLEMENT TO A MEMOIR ON SKEW VARIATION. In Phil. Trans. Roy. 

 Soc. London, A, v. 197, p. 443-459. 



1902. ON THE systematic FITTING OF CURVES TO OBSERVATIONS AND MEASURE- 

 MENTS. In Biometrika, v. i, pt, 3, p. 265-303; v. 2, pt. i, p. 1-23, 



illus. 



1909. A BIOMETRIC STUDY OF THE RED BLOOD CORPUSCLES OF THE COMMON 

 TADPOLE (rANA TEMPORARIA), FROM THE MEASUREMENTS OP ERNEST 



WARREN, D. sc. In Biometrika, v. 6. p. 402-419. 



19 10. NOTE ON THE SEPARATE INHERITANCE OF QUANTITY AND QUALITY IN COW'S 



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



(24) , and Lee, Alice. 



1903. ON THE LAWS OP INHERITANCE IN MAN. I. INHERITANCE OF PHYSICAL 



CHARACTERS. In Biometrika, v. 2, pt. 4, p. 357-462, illus., 7.8 tab. 



(25) POWYS, A. O. 



1905. DATA FOR THE PROBLEM OF EVOLUTION IN MAN. ON FERTILITY, DURATION 



OP LIFE AND REPRODUCTIVE SELECTION. In Biometrika, v. 4, pt. 3, 



p. 233-285, 17 fig. 



(26) Speir, John. 



1909. REPORT ON MILK RECORDS FOR SEASON I908. RECORD OP 8,132 COWS. 



[Ayrshire Cattle Milk Records Committee], p. 1-268. Kilmarnock. 



(27) Surface, F, M. 



1909. fecundity OP SWINE. In Biometrika, v. 6, pt. 4, p. 433-436. 



(28) Vigor, H. D. 



1913. THE CORRELATION BETWEEN THE PERCENTAGE OP MILK FAT AND THE 

 QUANTITY OP MILK PRODUCED BY AYRSHIRE COWS. Sup. Jour. Bd. 



Agr. [London], no. 11, 28 p. 



