UNIVERSITY OF CALrFORNIA PUBLICATIONS— (Continued) 



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 



3. 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 v 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. II. 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 Ph Value and 



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

 land and A, W. Christie. Pp. 183-232. November, 1919 25 



7. A New and Simplified Method for the Statistical Interpretation of Bio- 



metrical Data, by George A. Linhart. Pp. 159-181. September, 1920 .25 



8. The Temperature Relations of Growth in Certain Parasitic Fungi, by 



Howard S. Fawcett. Pp. 183-232. May, 1921 75 



9. The AUnement Chart Method of Preparing Tree Volume Tables, by 



Donald Bruce. Pp. 233-243. December, 1921 20 



10. Equilibrium Studies with Certain Acids and Minerals and their Probable 



Relation to the Decomposition of Minerals by Bacteria, by Douglas 

 Wright, Jr. Pp. 245-337. March, 1922 .— „ $1.25 



11. Studies on a Drained Marsh Soil Unproductive for Peas, by P. S. 



Burgess. Pp. 339-396. June, 1922 65 



AGRICULTURE. — The Publications of the Agricultural Experiment Station consist of Bul- 

 letins and Annual Reports, edited by Professor Thomas Forsyth Hunt, Director of 

 the Station. These are sent gratis to citizens of the State of California. For detailed 

 information regarding them address The Agricultural Experiment Station, Berkeley, 

 California. 



Other series in American Archaeology and Ethnology, Botany, Classical Philology, 

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 Eoman Archaeology, History, Mathematics, Modem Philology, Pathology, Philosophy, 

 Psychology, Physiology, Semitic Philology, Zoology. 



UNIVERSITY OF CALIFORNIA CHRONICLE.— Issued quarterly. Price, $2.00 per year, 

 50 cents a copy. A magazine of general interest for intelligent people. 



ADMINISTRATIVE BULLETINS OF THE UNIVERSITY OF CALIFORNIA.— Includes 

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