338 Plant-Breeding 



1906. DUVEL, J. W. T., The Germination of Seed Corn. U. S. 

 Dept. Agr. Farmers' Bull. 253 : (16 pp.), 4 figs. (Includ- 

 ing : Value of a germination test. Average yield of corn 

 to the acre. Testing individual ears. Selecting seed ears. 

 Numbering the ears. The germination box. Results of 

 tests.) 



1906. GAGER, C. S., De Vries and His Critics. Science, n.s. 

 24 : 81-89. Bibliog. in notes. 



1906. GRAENICHER, S., Some Notes on the Pollination of Flowers. 

 Wis. Nat. Hist. Soc. Bull. 4 : 12-21. 



1906. GRIFFON, E., Le greffage des Solanees. Acad. Sci. Compt. 

 Rend. 143: 1249-1251. 



1906. HAACKE, WILHELM, Die Gesetze der Rassenmischung 

 und die Konstitution des Keimplasmes. Arch. f. Entwick'- 

 mech. d. Org. 21 : 1-93. 104 tab. 



1906. HALSTED, B. D., Breeding Sweet Corn Cooperative 

 Tests. New Jersey Agr. Exp. Sta. Bull. 192 : 1-30. Fig. 



1906. HECKEL, E., Variation in the Potato Tuber. Gard. 

 Chron. 3d ser. 39 : 88. 



1906. HENSLOW, G., Evolution and Adaptation. Roy. Hort. 

 Soc. Jour. n.s. 31 : 159-163. 



1906. HENSLOW, G., The True Meaning of "Natural Selec- 

 tion " and the "Survival of the Fittest " in Nature. Roy. 

 Hort. Soc. Jour. n.s. 31 : 90-96. 



1906. HENSLOW, G., Species and Varieties; their Origin by 

 Mutation. Roy. Hort. Soc. Jour. n.s. 31 : 164-168. 



1906. HESKETH, R. T., Apple Grafted on Hawthorn. Gard. 

 Chron. 3d ser. 39 : 347. 



1906. HURST, C. C., Mendelian Laws of Inheritance. Gard. 

 Chron. 3d ser. 39 : 187. 



1906. LE CLERC, J. A., The Effect of Climatic Conditions on the 

 Composition of Durum Wheat. U. S. Dept. Agr. Year- 

 book: 199-^212, 2 pis. Same. Yearbook Separate, 417: 

 199-212, 2 pis. 



