UNIVERSITY OF CALIFOENIA PUBLICATIONS 



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AGRICULTURAL SCIENCES.— Charles B. Lipman, Ernest B. Babcock, and John W. Gil- 

 more, Editors. Price per volume, $5. Volumes 1 (587 pages) and 3 (498 pages, index 

 to come) completed. Volumes 2 and 4 in progress. 

 VoU 2. 1. Studies in Juglans I. Study of a New Form of Juglant Calif ornica 

 Watson, by Ernest B. Babcock. Pp. J.-46, plates 1-12. December, 



2, Studies In Juglans n. Further Observations on a New Variety of 

 Juglans CaUfomica Watson and on Certain Supposed Walnut-Oak 

 Hybrids, by Ernest B. Babcock. Pp. 47-70, plates 13-19. October, 

 1914 - JS6 



8. Studies in Juglans, III: (1) Further Evidence that the Oak-like Walnut 

 Originates by Mutation, by Ernest B. Babcock. Pp. 71-80, pis. 20-:iJl. 

 September, 1916 _ _ __ .10 



4. Mutation in Matthiola, by Howard B. Frost. Pp. 81-190, plates 22-35. 



November, 1919 1.50 



VoL 8. 1. New Grasses for California, I, Phalaris stenoptera Hack., by P. B. Ken- 

 nedy. Pp. 1-24, plates 1-8. July, 1917 .30 



2. Optimum Moisture Conditions for Young Lemon Trees on a Loam Soil, 

 by L. W. Fowler and C. B. Lipman. Pp. 25-36, plates 9-11. Sep- 

 tember, 1917 15 



8. Some Abnormal Water Relations in Citrus Trees of the Arid South- 

 west and their Possible Significance, by Robert W. Hodgson. Pp. 

 37-54, plate 12. September, 1917 „.„. .20 



4. A New Dcndrometer, by Donald Bruce. Pp. 55-61. November, 1917 .10 



6. Toxic and Antagonistic Effects of Salts on Wine Yeast (Sacckaromyces 



ellipsoideus) , by S. K. Mltra. Pp. 63-102. November, 1917 .45 



6. Changes in the Chemical Composition of Grapes during Ripening, by 



F. T. Bioletti, W. V. Cniess, and H. Davi. Pp. 103-130. March, 1918 .25 



7. A New Method of Extracting the Soil Solution (a Preliminary Com- 



munication), by Chas. B. Lip nrian. Pp. 131-134. March, 1918 05 



8. The Chemical Composition of the Plant as Further Proof of the Close 



Relation between Antagonism and Cell Permeability, by Dean David 

 Wajrnick. Pp. 135-242, plates 13-24. June, 1918 1.25 



9. Variability in Soils and Its Significance to Past and Future Soil In- 



vestigations. I. A Statistical Study of Nitrification in Soil, by Dean 

 David Waynick. Pp. 243-270, 2 test figures. June, 1918 .30 



10. Does CaCO:^ or CaS04 Treatment Affect the Solubility of the Soil's 



Constituents?, by C. B. Lipman and W. F. Gericke. Pp. 271-282. 

 June, 1918 10 



11. An Investigation of the Abnormal Shedding of Young Fruits of the 



Washington Navel Orange, by J. Eliot Colt and Robert W. Hodgson. 



Pp. 283-368, plates 25-42, 9 text figures. April, 1919 1.00 



12. Are Soils Mapped under a Given Type Name by the Bureau of Soils 



Method Closely Similar to One Another? by Robert Larimore Pendle- 

 ton. Pp. 369-498, plates 43-74, 33 text figures. June, 1919 2.00 



Vol. 4. 1. The Fermentation Organisms of California Grapes, by W. V. Cruess. 



Pp. 1-66, plates 1-2, 15 text figures. December, 1918 75 



2. Tests of Chemical Means for the Control of Weeds. Report of Progress, 



by George P. Gray. Pp. 67-97, 11 text figures 30 



8. On the Existence of a Growth-Inhibiting Substance in the Chinese 

 Lemon, by H. S. Reed and F. F. Halma. Pp. 99-112, plates 3-6. 

 February, 1919 „ 25 



4. Further Studies on the Distribution and Activities of Certain Groups of 



Bacteria in California Soil Columns, by Charles B. Lipman. Pp. 113- 



120, April, 1919 10 



5. Variability in Soils and Its Significance to Past and Future Soil In- 



vestigations, n. Variations in Nitrogen and Carbon in Field Soils 

 and Their Relation to the Accuracy of Field Trials, by D. D. Way- 

 nick and L. T. Sharp. Pp. 121-139, 1 text figure. May, 1919 .20 



6. The Effect of Several Types of Irrigation Water on the Pii Value and 



Freezing Point Depression of Various Types of Soils, by D. R. Hoag- 

 land and A. W. Christie. Pp. 141-157. November , 1919 25 



