LITERATUKE 275 



169 PEARL, R., and MINER, J. R. : Tables for Calculating Coefficients of 



Inbreeding. Maine Agr. Exp. Sta. Kept, for 1913, 191-202. 



170 PEARL, R. : On the Results of Inbreeding a Mendelian Population ; 



a Correction and Extension of Previous Conclusions. Amer. Nat., 

 1914, xlviii, 57-62. 



171 PEARL, R. : On a General Formula for the Constitution of the JV'th 



Generation of a Mendelian Population in which all Matings are of 

 Brother X Sister. Amer. Nat., 1914, xlviii, 491^94. 



1 72 PEARL, R. : Inbreeding and Relationship Coefficients. Amer. Nat., 



1914, xlviii, 513-523. 



178 PEARL, R. : Modes of Research in Genetics. New York, 1915, 

 pp. 182. 



174 PEARL, R. : Some Further Considerations Regarding Cousin and 



Related Kinds of Mating. Amer. Nat., 1915, xlix, 570-575. 



175 PEARL, R. : Some Further Considerations Regarding the Measure- 



ment and Numerical Expression of Degrees of Kinship. Amer. 

 Nat., 1917, li, 545-559. 



176 PEARL, R. : A Single Numerical Measure of the Total Amount of 



Inbreeding. Amer. Nat., 1917, li, 636-639. 



177 PEARSON, K. : On a Generalized Theory of Alternative Inheritance, 



with Special References to Mendel's Laws. Phil. Trans. Hoy. Soc. 

 (A), 1904, cciii, 53-86. 



178 PHILLIPS, J. C. : Size Inheritance in Ducks. Jour. Exp. Zo'dl., 



1912, xii, 369-380. 



179 PHILLIPS, J. C. : A Further Study of Size Inheritance in Ducks, 



with Observations on the Sex Ratio of Hybrid Birds. Jour. Exp. 

 Zool., 1914, xvi, 131-148. 



180 PLATE, L. : Vererbungslehre. Leipzig, 1913, pp. 519. 



181 POPENOE, P., and JOHNSON, R. H. : Applied Eugenics. New York, 



1918, pp. 459. 

 182 PuNNETT, R. C., and BAILEY, P. G. : On Inheritance of Weight in 



Poultry. Jour. Gen., 1914, iv, 23-39. 

 *83 RIPLEY, W. Z. : The Races of Europe. New York, 1899, pp. 624. 



184 RiTZEMA-Bos, J. : Untersuchungen iiber die Fblgen der Zucht in 



engster Blutverwandtschaft. Biol. Cent., 1894, xiv, 75-81. 



185 ROBERTS, H. F. : First Generation Hybrids of American and Chi- 



nese Corn. Amer. Breed. Assn. Rpt. 1912, viii, 367-384. 



186 ROBBINS, R. B. : Some Applications of Mathematics to Breeding 



Problems. I, II, III. Genetics, 1917, ii, 489-504; 1918, iii, 73- 

 92 ; 1918, iii, 375-389. 



187 ROBBINS, R. B. : Random Mating 1 with the Exception of Sister by 



Brother Mating. Genetics, 1918, iii, 390-396. 



