110 MANUAL OF DAIRY CATTLE BREEDING 



Parlour, W. 1913. Jersey-Angus cattle, Live Stock Jour. (London), 77, 

 No. 2025, p. 85. 



Pearl, Raymond. 1912. A case of triplet calves, with some general considera- 

 tions regarding multiple gestation in normally uniparous animals, 

 Maine Agr. Expt. Station Annual Report for 1912, Bulletin 204, 

 pp. 259-282. 



Pearl, Raymond. 1913. A contribution towards an analysis of the problem 

 of inbreeding, American Naturalist, XLVII, pp. 577-614. 



Pearl, Raymond. 1913. Variation in the tongue color of Jersey cattle. 

 Proceedings of the Society for the Promotion of Agricultural Science, 

 pp. 49-57. 



Pearl, Raymond. 1913. Constants for normal variation in the fat content 

 of mixed milk, Maine Agr. Expt. Station Annual Report for 1913, 

 pp. 299-305. 



Pearl, Raymond. 1914. On the results of inbreeding a mendelian popula- 

 tion: a correction and extension of previous conclusions, American 

 Naturalist, XLVIII, pp. 57-62. 



Pearl, Raymond. 1914. Studies on inbreeding. IV. On a general formula 

 for the constitution of nth generation of a mendelian population in 

 which all matings are of brother X sister, American Naturalist, XLVIII, 

 pp. 491-494. 



Pearl, Raymond. 1914. Studies on inbreeding. V. Inbreeding and rela- 

 tionship coefficients, American Naturalist, XLVIII, pp. 513-523. 



Pearl, Raymond. 1914. On the law relating milk flow to age in dairy cattle, 

 Proceedings of the Society for Experimental Biology and Medicine, 

 XII, pp. 18-19. 



Pearl, Raymond. 1915. Studies on inbreeding. VI. Some further con- 

 siderations regarding cousin and related kinds of mating, American 

 Naturalist, XLIX, pp. 570-575. 



Pearl, Raymond. 1916. Reports of progress on animal husbandry investiga- 

 tions in 1915, Me. Agr. Expt. Sta. Circ, 519, pp. 1-27. 



Pearl, Raymond. 1917. Report of progress on animal husbandry investiga- 

 tions in 1916. Annual Report of Maine Agr. Expt. Station for 1917, 

 Bulletin 261, pp. 121-144. 



Pearl, Raymond. 1918. Studies on inbreeding . VIII. A single numerical 

 measure of the total amount of inbreeding, Amer. Nat., LI, pp. 636-639. 



Pearl, Raymond, and Miner, John Rice. 1913. Tables for calculating 

 coefficients of inbreeding, Maine Agr. Expt. Station, Annual Report 

 for 1913, pp. 191-202. 



Pearl, Raymond, and Patterson, S. W. 1917. The change of milk flow 

 with age, as determined from the seven day records of Jersey cattle, 

 Annual Report, Maine Agr. Expt. Station, Bulletin 262, pp. 145-152. 



Pearson, K. 1910. Note on the separate inheritance of quantity and quality 

 in cow's milk, Biometrika, 7, pp. 548-550. 



Peters, J. 1913. Inheritance of milk production and its significance to cow- 

 testing association, Deut Landw. Tierzucht, 17, Nos. 11, pp. 121-125; 

 12, pp. 133-135; 13, pp. 145-149. 



