336 Plant-Breeding 



1905. HURST, C. C., Notes on the " Proceedings of the Inter- 

 national Conference on Plant Breeding and Hybridisation, 



1902." Roy. Hort. Soc. Jour. 29 : 417-433. 

 1905. JONES, L. R., Disease Resistance of Potatoes. U. S. 



Dept. Agr. Bur. Plant Ind. Bull. 87 : (39 pp.). 

 1905. JONES, L. R., Concerning Disease Resistance of Potatoes. 



Vermont Agr. Exp. Sta. 18 : 264-267. 

 1905. KLINCK, L. S., Corn Breeding in the Corn Belt. Can. 



Seed-Grow. Assoc. Rep. 2 : 56-61. 

 1905. PEARL, RAYMOND, Investigation by Statistical Methods of 



Correlation in Variation. Carnegie Inst. (Wash., D.C.), 



Yearbook (1905) (No. 4) : 285-286. 

 1905. PEARL, RAYMOND, Note on Variation in the Ray Flowers 



of Rudbeckia. Am. Nat. 39 : 87-88. 1 fig. 

 1905. PETRUNKEVITCH, ALEXANDER, Natural and Artificial 



Parthenogenesis. Am. Nat. 39 : 65-76. Bibliog. 

 1905. POLLARD, CHARLES Louis, On the Spelling of " Clon." 



Science, n.s. 22 : 87-88. 

 1905. POLLARD, CHARLES Louis, " Clon " versus " Clone." 



Science, n.s. 22 : 463. 

 1905. SHAMEL, A. D., The Effect of Inbreeding in Plants. U. S. 



Dept. Agr. Yearbook, 377-392. 3 pis., 1 fig. 

 1905. SHAMEL, A. D., Tobacco Breeding Experiments in Conn. 



Conn. (State) Agr. Exp. Sta. Ann. Rep. 331-343. 

 1905. STARNES, HUGH N., Japan and Hybrid Plums. Georgia 



Agr. Exp. Sta. 68 (see pp. 1-40). 

 1905. VRIES, H. DE, Dauer der Mutationsperiode bei (Enothera 



Lamarckiana. Deutsch. Bot. Gesell. Ber. 23 : 382-387. 

 1905. VRIES, H. DE, The Mutation Theory. Gard. Chron. 



3d ser. 37 : 321-322. 

 1905. WEBBER, HERBERT J., The Science of Plant Breeding. 



Can. Seed-Grow. Assoc. Rep. 2 : 79-92. PI. II., fig. 1 & 2. 

 1905. WEBBER, HERBERT J., Pedigree or Grade Breeding . Can. 



Seed-Grow. Assoc. Rep. 2 : 61-70. PI., Photo., Fig. 



