UNIVERSITY OF CALIFORNIA PUBLICATIONS IN AGRICULTURAL SCIENCES Vol. 3, No. 3,’pp. 37-54, plate 12 September 29, 1917 SOME ABNORMAL WATER RELATIONS IN CITRUS TREES OF THE ARID SOUTH- WEST AND THEIR POSSIBLE SIGNIFICANCE BY ~ ROBERT W. HODGSON " UNIVERSITY OF CALIFORNIA PRESS BERKELEY (2-) ¢ Very U 7 ~ Monagrag: UNIVERSITY OF CALIFORNIA PUBLICATIONS Note.—The University of California Publications are offered in exchange for the publi- cations of learned societies and institutions, universities and libraries. Complete lists of — all the publications of the University will be sent upon request. For sample copies, lists of . publications and other information, address the Manager of the University Press, Berkeley, Oalifornia, U. 8. A. All matter sent in exchange should be: addressed to The Exchange Department, University Library, Berkeley, Caloris, U.S. A. é AGRICULTURAL SCIENCES.—Charles B. Lipman, Ernest B. Babcock, and John W. Gilmore, Editors: Price per volume, $5. Vol. 1. 1. The Distribution. and Activities of Bacterfa in Soils of the Arid Region, by Charles B. Lipman. Pp. 1-21. October, 1912 ... ww... .- $0.20. %. Studies on the Phenoldisulphonie Acid Method for Determining Nitrates : in Soils, by C. B. Lipman and L. T. Sharp. Pp. 23-37. October, 1912. 15 — 8. The Effects of Calcium and Magnesium Carbonates on Some Biological Transformations of Nitrogen in Soils, by W. P. Kelley. Pp. 39-49. - y December, 1912... ae ec Peat eet pine eS Tg AS Aa? 4 | 4, The Aluminum Reduction Meth od as. Applied ‘to the Determination of Nitrates in ‘‘Allkali’’ Soils, by Paul S. Burgess. Pp. 61-62. May, 1913 : 15 5. Studies Upon Influences Affecting the Protein Content of Wheat, by G. W.Shaw