650 BIBLIOGRAPHY 



DERR, H. B. 



1910b. A New Awnless Barley. Science N. Ser. XXXII., 



473-474. 

 DE VRIES, HUGO. 



1901-03. Die Mutationstheorie, I. & II., Leipzig. 



1907. Plant Breeding. Chicago. 

 FOADEN, G. P. 



1901. The Improvement of Egyptian Wheats. Al-Mokat- 



tam* Printing Office, Cairo. 

 FRUWIRTH, C., VON PROSKOWITZ, E. R. UNO VON TSHERMAK, E. 



1910. Die Ziichtung der Landwirtschaftlichen Kultur- 

 pflanzen. Bd. IV. Die Ziichtung der vier Hauptgetrei- 

 dearten und der Zuckerriibe. 



GUTHRIE, F. B. 



1914. Wheat Improvement in Australia. N. S. W. Dept. 



Agr. Sci. Bui. II. 

 HALLETT, F. 



1861. On Pedigree in Wheat. Jour. R. Agr. Soc., p. 371. 

 HUMPHRIES, A. E. AND BIFFEN, R. H. 



1907-08. The Improvement of English Wheat. Jour. Agr. 



Sci. II., 1-16. 

 HUTCHESON, T. B. 



1914. Thirteen Years of Wheat Selection. Am. Nat. 



XLVIIL, 459-466. 

 JESENKO, F. 



1911. Sur un hy bride fertile entre Triticum sativum and 

 Secale. Proc. Fourth Int. Genet. Conf., 301-314. 



JOHANNSEN, W. 



1909. Element der exakten Erblichkeitslehre. Fischer, 



Jena. 

 KEYSER, ALVIN. 



1906a. Variation in Wheat Hybrids. Proc. Am. Breed. 



Assoc. II., 84-89. 

 1906b. Methods in Wheat Breeding. Proc. Am. Breed. 



Assoc. II., 186-191. 



1911. Progress in Barley Breeding. Proc. Am. Breed. 

 Assoc. VI., 225-233. 



KLINCK, L. S. 



1912. The Improvement of Small Grains at Macdonald 

 College. Proc. Am. Soc. Agron. IV., 126-129. 



LE COUTEUR, JOHN. 



1837. On the Varieties, Properties and Classification of 

 Wheat. Pp. viii + 122, Agricultural Library, 51, Hay- 

 market, London. 



