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Tennent, D. H. : Studies in Cytology, I and II. Jour. Exp, Zool., 



1912, xii. 



Thompson, J. A. : Heredity, 1908, London and New York. 



TiscHLER^ G. : Ueber Embryosack-Obliteration bei Bastardpflanzen. Bot. 

 Centralbl Beihefte, 1903, xv. 



TisCHLER, G. : Ueber die Entwicklung der Sexualorgane bei einem steri- 

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TisCHLER, G. : Ueber die Entwicklung des Pollens und der Tapetenzellen 

 bei Ribeshybriden. Jahr. wiss. Bot., 1906, xlii. 



Tower, W. L. : An Investigation of Evolution in Chrysomelid Beetles of 

 the Genus Leptinotarsa. Carnegie Inst., Wash., Pub., 1906, xlviii. 



TowER_, W. L. : The Determination of Dominance and the Modification of 

 Behavior in Alternative (Mendelian) Inheritance by Conditions Sur- 

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ToYAMA, K. : Studies on the Hybridology of Insects, I. On Some Silk- 

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 Bull. Coll. Agr., Tokyo Imp. TJni., 1906, vii. 



ToYAMA, K. : On Certain Characteristics of the Silkworm Apparently 

 Non-mendelian. Biol. Cent., 1912, xxxii. 



Trow, a. H. : On the Inheritance of Certain Characters in the Common 

 Groundsel — Senecio vulgaris — and Its Segregates. Jour. Genet., 



1913, ii. 



Trow, A. H. : Forms of Reduplication — Primary and Secondary. Jour. 



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 Trow, A. H. : A Criticism of the Hypothesis of Linkage and Crossing 



Over. Jour. Gen., 1916, v. 

 TscHERMAK_, E. I Ueber kiinstliche Kreuzung bei Pisum sativum. Zeit. 



landw. Versuch. Oest., 1900. 

 V. TscHERMAK, A.: Ueber den Einfluss der Bastardierung auf Form, 



Farbe und Zeichnung von Kanarieneiem. Biol. Centr., 1910, xxx. 

 V. TscHERMAK, A. ! Ueber Veranderung der Form, Farbe und Zeichnung 



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 V. TscHERMAK, E. : Der modeme Stand des Vererbungsproblems. Arch. 



Bass, und Gesell., 1908, v. 

 De Vilmorin_, p., and Bateson^ W. : A Case of Gametic Coupling in 



Pisum. Proc. Roy. Soc, 1911, B, Ixxxiv. 

 De Vries^ H. : Die Mutationstheorie. 1901. Leipzig. 

 DeVries^H. : .Species and Varieties; Their Origin by Mutation, 1905, 



Chicago. 

 De Vries, H. : Plant-Breeding ; Comments on the Experiments of Nils- 

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 De Vries, H. : On Twin Hybrids. Bot. Gaz., 1907, xliv. 



