LIST OF LITERATURE CITED 637 



1913. Possibilities of a new breed of cattle for the South. Am. Breed. Mag., 4. 



1914. Studies of inheritance and evolution in Orthoptera. I. Jour. Gen., 3. 

 1917. II, III. Ibid. 7. 



NAGELI, C., 1884. " Mechanische-physiologische Theorie der Abstammungslehre," 



Miinchen. 

 NATHUSIUS, S., 1912. Die Entstehung des Maucharnpsschafes. Zeitschr. ind. Aba. 



u. Vererbungsl., 8. 



1912a. "Der Haustiergarten der Universitat Halle." Hanover. 

 NEWMAN, L. H., 1912. Plant breeding in Scandanavia. Ccmod. Seed Growers' 



Assoc. Ottawa. 

 NICE, L. B., 1911. Comparative studies on the effects of alcohol, nicotine, tobacco 



smoke, and caffeine on white mice. I. Effects on reproduction and growth. 



Jour. Exp. ZooL, 13. 



1912. Studies on "the effects of alcohol, nicotine, and caffeine on white mice. 

 II. Effects on activity. Ibid., 14. 



1917. Further observations on the effects of alcohol on white mice. Am. Nat., 

 51. 

 NILSSON-EHLE, H., 1907. Om lifstyper och individuell Variation. Bot . Noliser, Lund. 



1908. Einige Ergebnisse von Kreu/ungen bei Hafer und Weizen. Bot. Notiser. 



1909. Kreuzungsuntersuchungen an Hafer and Weizen. Lund's Univ. Arsskrift. 



1910. Spontanes Wegfallen eines Farbenfaktors beim Hafer. Verh. nalurf. 

 Verein. Brunn, 49. 



1911. Ueber Falle spontanen Wegf aliens eines Hemmungsfaktors beim Hafer. 

 Zeit. Abst. Vererb., 5. 



1913. The Swedish Institute for the improvement of field crops at Svalof. 

 Mo. Bull. Agr. Intel, 4. 



1914. Plant breeding in Sweden. Jour. Hered., 5. 



NOLL, C. F., 1916. Experiments with corn. Pa. A.E.S., Bull. 139. 



NORTON, J. B., 1907. Heredity in carnation seedlings. Rept. Am. Breed. Assoc., 3. 



NORTON, JESSE B., 1913. Methods used in breeding asparagus for rust resistance. 



U.S.D.A. Bur. Pit. Ind., Bull. 263. 



NORTON, JOHN B., 1915. Inheritance in habit in the common bean. Am. Nat., 49. 

 NORTON, J. B. S., 1908. Resistant varieties in the control of plant diseases. Trans, 



Peninsula Hort. Soc. 



1910. Some unusual tomato variations. Proc. Soc. Hort. Sci. 

 OBRECHT, R. C., 1908. Market classes and grades of horses and mules. III. A.E.S. 



Bull., 122. 

 OLIVER, G. W., 1910. New methods of plant breeding. U.S.D.A. Bur. Pit. Ind., 



Bull. 167. 



OLMSTEAD, L. B., 1914. Some applications of the methods of least squares to agri- 

 cultural experiments. Jour. Am. Soc. Agron., 6. 

 ORTON, W. A., 1900. The wilt disease of cotton and its control. U.S.D.A., Div. Veg. 



Phys. and Path., Bull. 27. 



1907. On the theory and practice of breeding disease resistant plants. Repts. 

 Am. Breed. Assoc., 3. 



1908. The development of farm crops resistant to disease. Yearbook U.S.D.A. 

 1911 (1913). The development of disease resistant varieties of plants. Repts. 

 4th Intern. Con/. Genet., Paris. 



PAELINCK, J., 1912. The influence of stock on scion and a case of dimorphism. 



Tribune Hort. (Brussels), 7. 

 DE PARANA, BARON, 1910. Principles of breeding and the origin of domestic breeds 



of animals. 2Qth Ann. Report Bu. An. Ind. U.S.D.A. (cited by Ewart). 



