1902. Bateson and Cuenot first apply Mendelism to 



animals. 



^ Sutton, (W. S.) puts forward The Chromosome 



Theory of Heredity. 



1903. Johannsen puts forward his Pure Lines Theory. 



■ Formation of the American Breeders' Associa- 



tion. 



1905. Stevens and Wilson determine the correct re- 



lation of the accessory or A' chromosome to sex. 



1906. Bateson and Punnett discover linkage in hered- 



ity. 



1907. The Galton Eugenics Laboratory founded in 



London. 

 I'SOg. Bateson publishes "Mendel's Principles of 



Heredity." 



1914. Goddard discovers that feeble-mindedness is a 



recessive unit character. 



1915. Morgan et al publish "The Mechanism of Men- 



delian Inheritance." 

 1910-1919 Investigations and discoveries of Nilsson, Nils- 

 son-Ehle and Witte in Sweden; Johannsen in 

 Denmark; DeVries in Holland; Vilmorin, 

 Delage and others in France; Bateson, Biffen, 

 Darbishire, Durham, the Cartons. Hu st, 

 Lock, Pearson, Punnett, Saunders. Schuster, 

 Sutton. Wilson and others in Great Britain; 

 Burbank, Castle, Davenport (C. B.), East, 

 Emerson, Jones, Loeb, Morgan, Pearl, Shull, 

 Tower, Wilson and others in the United 

 States; Correns, Baur. Klebs, von Lochow 

 and others in Germany. 



Chapter 21— IMPORTAxNT LITERATURE 



Babcock and Clausen: Genetics in Relation to Agricul- 

 ture, McGraw-Hill Book Com- 

 pany, 1918. 



Bailey and Gilbert: Plant Breeding, Macmillan, 1915. 



Bailey, H. L. The Survival of the Unlike, Mac- 



millan. 



Bateson W. Mendel's Principles of Heredity. 



Cam. University Press, 1909. 



174 



