1913] Goodspeed: Nicotiana Ilyhrids 187 



LITEEATUEE CITED 

 Baur, E. 



1909. Einfiihrung in die experimentelle Vererbungslehre. Gebruder 



Borntraeger, Berlin. 



Castle, W. E. 



1911. Heredity. (D. Appleton and Co., New York.) 

 CZAPEK, F. 



1911. Chemical phenomena in life. (Harper and Bros., New York.) 

 Darbishire, a. D. 



1911. Breeding and Mendelian discovery. (Cassell and Co., London.) 

 East, E. M. 



1910. A Mendelian interpretation of variation which is apparently 



continuous. Amer. Nat., vol. 44, pp. 160-174. 



1912. The Mendelian notation as a description of physiological facts. 



Amer. Nat., vol. 46, no. 551, p. 633. 



East, E. M., and Hayes, H. K. 



1911. Inheritance in Maize. Conn. Agric. Expt. Stat., Bull. 167. 



1912. Heterozygosis in evolution and in plant breeding. U. S. D. A., 



Bur. PI. Ind., Bull. 243. 

 Goodspeed, T. H. 



1912. Quantitative Studies of inheritance in Nicotiana hybrids. Univ. 

 Calif. Publ. Bot., vol. 5, pp. 87-168. 

 Hayes, H. K. 



1912. Correlation and inheritance in Nicotiana Tahacum. Conn. Agric. 

 Expt. Stat., Bull. 171. 

 Love, H. H. 



1910. Are fluctuations inherited? Amer. Nat., vol. 44, pp. 412-423. 



1911. Studies of variation in plants. Cornell Agric. Expt. Stat., Bull. 



297. 



Moore, A. E. 



1910. A biochemical conception of Dominance. Univ. Cal. Publ. 



Physiol., vol. 4, pp. 9-15. 



1911. On Mendelian dominance. Arch. f. Entw-Mech., vol. 31, 1, 



pp. 168-175. 



Nillson-Ehle, H. 



1909. Kreuzungsuntersuchungen an Hafer und Weigen. Lunds Uni- 

 versites Arsskrift, N.F., Afd. 2, Bd. 5, Nr. 2, pp. 1-122. 

 Setchell, W. a. 



1912. Studies in Nicotiana, I. Univ. Calif. Publ. Bot., vol. 5, pn. 1-86. 

 Shull, G. H. 



1902. A quantitative study of variation in the rays, bracts, and disk- 

 florets of Aster Shortii Hook., A. Novae- Anglicae L., A. puni- 

 ceus L. and A. prenantJwides Muhl. from Yellow Springs, 

 Ohio. Amer. Nat., vol. 36, pp. 111-152. 



1904. I'lace constants for Aster prenantlioides. Bot. Gaz., vol. 38, pp. 

 333-375. 



