268 RAYMOND PEARL 



(33) Pearl, R. and Curtis, M. R. 1912 Studies on the physiology of reproduc- 



tion in the domestic fowl. V. Data regarding the physiology of the 

 oviduct. Jour. Exp. Zool., vol. 12, pp. 99-132. 



(34) Pearl, R., AND Surface, F. M. 1909 a Data on the inheritance of fecun- 



dity obtained from the records of egg production in the daughters of 

 '200-egg' hens. Me. Agr. Exp. Stat. Ann. Rpt. for 1909, pp. 49-84 

 (Bulletin 166). 



(35) 1909 b Studies on the physiology of reproduction in the domestic 

 fowl. IV Data on certain factors influencing the fertility and hatch- 

 ing of eggs. Me. Agr. Exp. Stat. Ann. Rpt. for 1909, pp. 105-164. 



(36) 1909 c 'A biometrical study of egg production in the domestic fowl. 



I. Variation in annual egg production. U. S. Dept., Agr. Bur. Anim. 

 Ind. Bulletin 110, Part I, pp. 1-80. 



(37) 1911 A biometrical study of egg production in the domestic fowl. 



II. Seasonal distribution of egg production. Ibid. Part II, pp. 81- 

 170. 



(38) 1909 d Is there a cumulative effect of selection? Data from the study 

 of fecundity in the domestic fowl. Zeitschr. f. ind. Abst. u. Vererbungsl. 

 Bd. 2. pp. 257-275. 



(39) 1910 a Studies on hybrid poultry. Maine Agr. Expt. Sta. Ann. Rpt. 

 for 1910, pp. 84-116 (pp. 100-106 deal with fecundity). 



(40) 1910b On the inheritance of the barred color pattern in poultry. Arch, 

 f. Entwicklungsmech. Bd. 30, pp. 45-61, plates 2 and 3. 



(41) 1910 c Further data regarding the sex-limited inheritance of the 

 barred color pattern in poultry. Science, N. S., vol. 32, pp. 870-874. 



(42) Pearson, K. 1900 On the criterion that a given system of deviations from 



the probable in the case of a correlated system of variables is such that 

 it can be reasonably supposed to have arisen from random sampling. 

 Phil. Mag., Ser. 5, vol. 50, pp. 157-175. 



(43) Plate, L. 1910 Vererbungslehre und Deszendenztheorie. Hertwig Fest- 



schrift, Bd. 2, pp. 537-610. 



(44) RuBASCHKiN, W. 1907 Ueber das erste Auf treten und migration der Keim- 



zellen bei Vogelembryonen. Anat. Heften, Heft. 105, pp. 243-261. 



(45) Shull, G. H. 1908 a The composition of a field of maize. Rept. Amer. 



Breeders' Assoc, vol. 4, pp. 296-301. 



(46) 1908 b A pure-line method in corn breeding. Ibid., vol. v, pp. 51-59. 



(47) 1911 Hybridization methods in corn breeding. Rept. Amer. Breeders' 

 Assoc, vol. 6, pp. 63-72. 



(48) SoNNENBRODT 1908 Die Wachstumsperiode der Oocyte des Huhnes. 



• Arch Mikr. Anat. u. Entwickl. Bd. 72, pp. 415-480. 



(49) Spillman, W. J. 1909a Spurious allelomorphism: Results of recent inves- 



tigations. Amer. Nat., vol. 42, pp. 610-615. 



(50) 1909 b Barring in Barred Plymouth Rocks. Poultry, vol. 5, pp. 7-8. 



(51) Sturtevant, A. H. 1911 Another sex-limited character in fowls. Science, 



N. S., vol. 33, pp. 337-338. 



(52) Weldon, W. F R. 1902 Mendel's laws of alternative inheritance in peas. 



Biometrika, vol. 1, pp. 228-254. 



(53) Wenzel, 1908 Ornithologische Monatsschrift. Cited from Floericke 



('10, p. 76). 



