MUTATION IN MATTHIOLA 



305 



1913a. On the mode of inheritance of certain characters in double-throwing 

 stocks. A reply. Zeitschr. f . indukt. Abstam.- u. Vererbungsl., vol. 

 10, pp. 297-310. 



1915. A suggested explanation of the abnormally high records of doubles 



quoted by growers of stocks (Matthiola). Jour. Genetics, vol. 5, 

 pp. 137-143, 3 tables. 



1916. On selective partial sterility as an explanation of the behavior of the 



double-throwing stock and the petunia. Am. Naturalist, vol. 50, 

 pp. 486-498. 



SHULL, GEORGE H. 



1914. Duplicate genes for capsule form in Bursa bursa-pastoris. Zeitschr. 

 f. indukt. Abstam.- u. Vererbungsl., vol. 12, pp. 97-149, 5 tables, 



7 figs. 



' ' STUDENT. ' ' 



1908. The probable error of a mean. Biometrika, vol. 6, pp. 1-25, tables, 

 4 diagr. 



1917. Tables for estimating the probability that the mean of a unique series 



of observations lies between <*> and any given distance of the 

 mean of the population from which the sample is drawn. Ibid., 

 . vol. 11, pp. 414-417, tables. 



SWINGLE, WALTER T. 



1911. Variation in first-generation hybrids (imperfect dominance): its pos- 



sible explanation through zygotaxis. Fourth Intern. Conf. on 

 Genetics, Proc., pp. 381-393, 10 figs. 



TSCHERMAK, ERICH VON. 



*1904. Weitere Kreuzungsstudien an Erbsen, Levkojen u. Bohnen. Zeitschr. 

 f. d. landw. Versuchswesen in Oesterreich, 1904, pp. 533-638. 



1912. Bastardierungsversuche an Erbsen, Levkojen, und Bohnen mit Riick- 



sicht auf die Faktorenlehre. Zeitschr. f. indukt. Abstam.- u. Verer- 

 bungsl., vol. 7, pp. 81-234, tables. 



WEBBER, HERBERT J. 



1906. Pedigree records used in the plant-breeding work of the Department 

 of Agriculture, in L. H. Bailey, Plant Breeding CNew York, Mac- 

 millan), pp. 308-319. 



DE VRIES, HUGO. 



1906. Species and varieties: their origin by mutation. Ed. 2, Chicago, Open 

 Court Pub. Co., xviii + 847 pages. 



1918. Twin hybrids of Oenothera hookeri T. and G. Genetics, vol. 3, pp. 397- 



421, 14 tables. 



1919. Oenothera rubrinervis, a half mutant. Bot. Gaz., vol. 67, pp. 1-26, 



tables. 



YULE, G. UDNY. 



1911. An introduction to the theory of statistics. London, Charles Griffin & 

 Co., xiii + 376 pages, 53 figs. 



fi6l 



