SUBJECT-INDEX TO BIBLIOGRAPHY 



617 



Twins (contd.) 



Brandes (1898) 

 Bugnion (1891) 

 Cuenot (1903) 

 Loeb (1893) 

 Marchal (1904) 

 Rosner (1901) 



Unit Characters 



See Mendelism, also 

 (1909) 



Castle 



Variation 



Amnion (1872) 



Bateson (1894, 1904, 1905) 



Beard (1904) 



Brandt (1895) 



Brooks (1912) 



Browne (1895) 



Cuenot (191 1 ) 



Darwin (1868) 



Davenport (1899, 1900, 1903) 



Delage (1903) 



Dendy (1912) 



Ewart (1901) 



Hurst (189 1) 



Johannsen (1909) 



Kammerer (1910) 



Variation (contd.) 



Kellogg and Bell (1904) 

 Klebs (1903) 

 Lang (1904, 1906) 

 Ludwig (1901) 

 Mauck (1901) 

 Mayer (1901) 

 Mcintosh (1903) 

 Rosa (1905) 

 Sedgwick (1899) 

 Tower (1906) 

 Vernon (1903) 

 de Vries (1905) 

 Walker (1910) 

 Wallace (1889) 

 Warren (1901) 

 Ziegler (1905) 



Weismannism 



Adami (1901) 

 Delage (1903) 

 Hartog (1891, 1893) 

 Kolliker (1886) 

 Morgan (1907) 

 Romanes (1896) 

 Spitzer (1886) 

 Vines (1889) 

 Ziegler (1905) 



