INDEX TO AUTHORS NAMES 



:-;.">:', 



Trowbridge, P. F. Nitrogen determination 



symposium. 1007, *908. — Report of the 



director. 2424. 

 Truelle, A. Soil exposure and sugar content 



in apples. 513.— Marketing apples. 1780. 

 Trueman, J. M. Rept. Professor of Agric. 



and Farm Superintendent, Nova Scotia, 



1918. *66. 

 Tschermak, see Von Tschermak. 

 Tsuji, R. Cercosporella persica Clastero- 



sporium degenerans, Japan. 690. 

 Tsuji, T. Ultra violet light and certain 



plants, Hawaii. 956. 

 Tufts, \V. P. Bartlett pear pollination, Cal. 



514. — Almond pollination, Cal. 515. 

 Turesson, Gote. Plagiotropy in maritime 



shore plants. 475. 

 Turk, see De Turk. 

 Turney, A. G. Province of New Brunswick 



Rept. on Agric, 1918. 1781. 

 Turrill, W. B. Perianth in Ranunculus. 586. 



—Flora of Macedonia. *2356. 

 Tymich, F. (Stoklasa, J., J. Sebor, W. Zdob- 



osicky, F. Tymich, O. Horak, A. Nemec, 



and J. Cwach) 966. 

 Tyson, Chester J. Report of Pomologist, 



Pennsylvania 1782. 



Ubisch, see Von Ubisch. 



Uichanco, Leopold B. Philippine insect 



galls. 2105. 

 Unger, Lester J. (Hess, Alfred F., and 



Unger) 2174. 

 Urban, J. High polarizing beets and their 



progeny. *476. (Rev. by Anon.) 312. 

 Uzel, H. Red rot of sugar beet. 770. 



Vaerting, M. Pathological inheritance and 



war degenerations. *477. 

 Vageler, H. Size of plants, and errors in 



field experimentation. 1219. 

 Valeton, Th. (Koorders, S. H., and Valeton) 



1034. 

 Van Alstine, E. Movement of plant food 



in soils. (Rev. by Shull) 992. 

 Vanatta, E. S. (Cobb, W. B., E. S. Vanatta, 



S. F. Davidson, and F. N. McDowell) 



2297. 

 Van den Heede A. Salpiglossis sp. 1839. 

 Van der Wolk, P. C. Permanent modifica- 

 tions and mutations. *478. 



Van Duyne, C, L. R. Schoenmann, and S. 



D. Averitt. Soil survey of Shelby Co., 



Kentucky. *2317. 

 Van Duyne, C, \V. W. \hLendon, W. J. 



Latimer, and E. M. Morrison. Soil 



survey of Marlboro Co., S. C. 2318. 

 Van Eeden, F. W. (Kops, Jan., F. VV. Van 



Eeden, and L. Vuyek) 2347. 

 Van Fleet, W. Rose breeding notes, 1918. 



1678. 

 Van Wisselingh, C. Variation and heredity. 



1679. 

 Vaupel, F. Some old cactus literature. 



1256. 

 Vendrell, E. Green manures in rotation. 



*67. 

 Verdie, H. Grape varieties. 1783. 

 Vernet, G. Rubber treatment, "smoking," 



*242. — Biometry and homogeneity. *479. 



— Coagulation of Hevea latex. *1084. 

 Vernet, G., and X. Salomon. Notes on 



Fourcroya gigantea Vent. *1220. 

 Vestby, P. Forest of Chili. *1410. 

 Vestergaard, H. A. B. Inheritance in 



lupines, wheat and barley. *1680. 

 Vevers, G. M. (Gourlay, W. Balfour, and 



Vevers) 2382. 

 Viehoever, A. The Pharmacognosy Lab. 



835. (Ewing, Clare O., and Viehoever) 



795. 

 Vieillard, P. Agricultural research in Java. 



*68. — Pure lines and hybridization in 



rice. *480. 

 Vielhauer. Four-leaved clover. 1909. 

 Vierhapper, F. Trifolium Pilczii. 1061. 

 Vierhout, P. Curacao aloe production. 



836. 

 Vigiani, D. Selection in wheat. *1681. 

 Viguier, R. Cultivated Araliaceae. *1062, 



*1063. 

 Vikhammer, P. Norway spruce in Northern 



regions, Norway. *1411. 

 Vincens, F. Hevea diseases due to Diplodia. 



771. 

 Vochting, Hermann. Polarity. *1910. *2106. 

 Vogt, A. Heredity and ophthalmology. 



*481— Senile cataract. *1682. 

 Volkart, A. Seed control and Experiment 



Station at Oerikon-Ziirich, Switzerland. 



*482. — Seed control and experiment sta- 

 tion, Oelikon-Zurich. (Rev. by Anon.) 



313. 

 Von Bubnoff, Serge. Principle of paleonto- 



logical taxonomy. 483. 



