HEREDITY; SEX 125 



Tischlbr, G. 1918. [Jntersuchungen liber den Eteisenwuchs von Phragm 

 communis var. pseudodonax. Ber. Deu. B<»t ( lee 36: 549 558. pi. 17. 

 1920. CJeber die sogenanannten "Erbsubstanzen" und ihre Lokalisation in der 

 Pflanzenzelle. Biol. Zentralbl. 40: i:. 28. 

 Trow, A. H. 1913. Forma of reduplication primary and secondary. Jour, 

 Genetics 2: 313 324. figs. 6. 

 1916. A criticism of the hypothesis of Linkage and crossing over. Jour. < }ene( ica 5 : 

 281-297. 

 Tupper, W. W. and Bartlett, H. H. 1916. A comparison of the wood structure of 



Oenothera slenomeres and its tetraploid mutation gigas. Science 43: 292. 

 de Vries, H. 1889. Intracellular Pangenesis. Jena. (For other papers of «!«• 



Vries see Morgan 1919a). 

 Walker, C. E. 1911. On variations in chromosomes. Arch. Zellf. 6: 191 196. 



lfig. 

 Walter, H. E. 1914. Genetics. New York. 

 \\ alton, A. C. 1918. The oogenesis and early embryology of Ascaris cuius Werner. 



Jour. Morph. 30: 527-604. pis. 9. 1 fig. 

 Weinstein, A. 1918. Coincidence of crossing over in Drosophila melanogaster 



(ampelophila) . Genetics 3: 135-173. 

 Weismann, A. 1885. Die Kontinuitiit des Keimplasmaa als Grundlage einer 

 Theorie der Vererbung. Jena. 

 1891-1892. Essays upon Heredity. Oxford. 



1892. Das Keimplasma. (Engl, transl., "The Germ Plasm," 1893. 

 1902. The Evolution Theory. 

 1913. Vortrage liber Deszendenztheorie. Jena. 

 Welsford, E. J. 1914. The genesis of the male nuclei in Lilium. Ann. Bot. 28: 



265-270. pis. 16, 17. 

 Wenrich, D. H. 1916. The spermatogenesis of Phrynotettix magnus with special 

 reference to synapsis and the individuality of the chromosomes. Hull. Nfus. 

 Comp. Zool. Harvard Coll. 60: 55-136. 10 pis. 

 1917. Synapsis and chromosome organization in Chorthippus [Stenobothrus 

 cur tipennis and Trimerotropis suffusa (Orthoptera). Jour. Morph. 29: 171 516. 

 pis. 1-3. 

 Wester, P. J. 1914. The determination of sex. Jour. Heredity 5: 207 208. 



(Account of work of Ciesielsky on Cannabis and Spinacia, 

 White, O. E. 1917a. Inheritance studies in Pisum. II. The present state 

 knowledge of heredity and variation in peas. Proc. Am. Phil. Soc. 56. 

 19176. Inheritance studies in Pisum. IV. Interrelation of the genetic factors of 

 Pisum. Jour. Agr. Res. 11: 167-190. 

 Whitney, D. D. 1914. The influence of food in controlling sex in Hydatina aenta. 

 Jour. Exp. Zool. 17 : 545-558. 



1916. The control of sex by food in five species of rotifers. Ibid. 20. 263 296 

 figs. 6. 



1917. The relative influence of food and oxygen in controlling sex in rotifers. 

 Ibid. 24: 101-138. figs. 1. 4 diagrams. 



1919. The ineffectiveness of oxygen as a factor in causing male production in 

 Hydatina se?ita. Ibid. 28: 469-492. 

 Wieman, H. L. 1917. The chromosomes of human spermatocytes. Am. Jour. 



Anat. 21: 1-22. pis. 4. 

 Wilson, E. B. L892. The cell-lineage of Nereis. Jour. Morph. 6: 361 180 

 pis. 13-20. 

 1900. The Cell in Development and Inheritance. 2d ed. 



1905a. Studies on chromosomes. 1. The behavior of the idiochromosomes in 

 Hemiptera. Jour. Exp. Zool. 2 : 371-406. figs. 7. 



