Appendix D 371 



vated at the New York Botanical, Garden. N. Y. Hort. 



Soc. Mem. 2: 130-143. 

 1910. NEMEC, B., Das Problem der Befruchtungavorgdnge. 



526 pp. Borntraeger, Berlin. 5 pis. & 119 figs. 

 1910. NEWMAN, L. H., The Correlation of Characters in Plants 



and its Economic Importance to the Plant Breeders. Ottawa 



Nat. 23 : 220-224. 

 1910. NIENBURG, W., Die Jungsten Ergebnisse der Pfropf- 



bastardforschung. Gartenflora, 59 : 479-495. 

 1910. NILSSON-EHLE, H., Kreuzungsuntersuchungen an Hafer 



und Weizen. Lunds Universitats Areskirft. N. F. Afd. 



2. 5 : 1-122. Rev. in Zeitsch. f. indukt. Abst.- u. Vererb. 



3:290-291. 

 1910. NILSSON-EHLE, H., Svalofs Pudelhvete. Sveriges Utsades- 



for. Tidskr. 20 : 69-87. 

 1910. OLIVER, GEORGE W., New Methods of Plant Breeding. 



Fig. Am. Breed. Mag. 1 : 21-30. 

 1910. ORCHARD, HAROLD, Potato Breeding in Manitoba and 



Some Results Obtained. Can. Seed-Grow. Assoc. Rep. 6 : 



103-104. 

 1910. OSTENFELD, C. H., Further Studies on Apogamy and 



Hybridization of Hieracium. Zeitsch. f. Indukt. Abst. 3 : 



(Heft 4). Rev. in Am. Nat. 44:750-762. Bibliog. in 



notes. 

 1910. PATON, ALKMAN, Notes on Some Hybrid Tuberous Solanums. 



Roy. Hort. Soc. Jour. 36 : 127-133. 

 1910. PEARL, RAYMOND, and SURFACE, F. M., Experiments in 



Breeding Sweet Corn. Maine Agr. Exp. Sta. Bull. 183 : 



(66pp.). 

 1910. PEARSON, KARL, Darwinism, Biometry and Some Recent 



Biology, I. Biometrika, 7 : 368-385. Tab. 

 1910. PEARSON, KARL, On a New Method of Determining Cor- 

 relation when one Variable is given by Alternative and the 



Other by Multiple Categories. Biometrika, 7 : 248-257, Tab, 



