UNIVERSITY OF OAIiIFOENIA PUBLICATIONS 



Note. — The University of California Publications are offered in exchange for tlie 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, 

 California, U. S. A. All matter sent in exchange should be addressed to The Exchange 

 Department, University Library, Berkeley, California, U. S. A. 



AGEICULTUBAL SCIENCES. — Charles B. Lipman, Ernest B. Babcock, and John W. 

 Gilraore, Editors. Price per volume, $5. 

 Vol. 1. 1. The Distribution and Activities of Bacteria In Soils of the Arid 



Region, by Charles B. Lipman. Pp. 1-21. October, 1912 „. J0.20 



2. Studies on the Phenoldisulphonic 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 Blagnesium Carbonates on Some Biological 

 Transformations of Nitrogen in Soils, by W. P. Kelley. Pp. 39-49. 

 December, 1912 „ 10 



4. The Aluminum Reduction Method as Applied to the Determination of 



Nitrates in "Alkali" Soils, by Paul S. Burgess. Pp. 51-62. May, 

 1913 .. - .15 



5. Studies Upon Influences Affecting the Protein Content of Wheat, by O. 



W. Shaw. Pp. 63-126. October, 1913 „ 75 



6. The Effect of Copper, Zinc, Iron and Lead Salts on Ammonification and 



Nitrification in Soils, by C. B. Lipman and P. S. Burgess. Pp. 127- 

 139. March, 1914 „ 15 



7. Studies on Ammonification in Soils by Pure Cultures, by 0. B. Lipman 



and P. S. Burgess. Pp. 141-172. April, 1914 25 



8. Humus and Humus-Nitrogen in California Soil Columns, by R. H. 



Loughridge. Pp. 173-274. August, 1914 1.00 



9. New Experiments on Alkali Soil Treatment (Preliminary Report), by 



Charles B. Lipman and Leslie T. Sharp. Pp. 275-290, plates 1-4. 

 June, 1915 _ 15 



10. Fundamental Interrelationships between Certain Soluble Salts and Soil 



Colloids, by L. T. Sharp. Pp. 291-339. April, 1916 50 



11. Influence of the Composition and Concentration of the Nutrient Solu- 



tion on Plants Grown in Sand Cultures, by Arthur Hugo Asrres. Pp. 

 341-394, pis. 5-15. January, 1917 60 



12. Certain Effects luider Irrigation of Copper Compounds upon Crops, by 



R. H. Forbes. Pp. 395-496, plates 6-9. March, 1917 1.00 



13. Experiments on the Effects of Constituents of Solid Smelter Wastes on 



Barley Growth in Pot Cultures, by C. B. Lipman and W. F. Gericke. 



Pp. 495-587. March, 1917 95 



Vol. 2. 1. Studies in Juglans I. Study of a New Form of Juglans Calif arnica 

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



1913 :...„. 60 



2. Studies in Juglans 11. Further Observations on a New Variety of 



Juglans CaUfornica Watson and on Certain Supposed Walnut-Oak 

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



1914 „ „ .35 



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



Originates by Mutation, by Ernest B. Babcock. Pp. 71-80, pis. 20-21. 

 September, 1916 10 



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

 letins and Biennial 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 Agri- 

 cultural Experiment Station, Berkeley, California. 



BOTANY.— W. A. Setchell, Editor. Price per volume, $3.50. Volumes I (pp. 418), II (pp. 

 360), III (pp. 400), and IV (pp. 397) completed. Volumes V, VI, and VII 

 in progress. 

 Vol. 3. 1. Compositae of Southern California, by Harvey Monroe Hall. Pp. 1- 



302; plates 1-3, witb a map. December, 1907 S.OO 



2. The Origin, Structure, and Function of the Polar Caps in Smilacina 



amplexicaulis Nutt., by H. D. Densmore. Pp. 303-330; plates 4-8. 

 December, 1908 35 



3, 4. (In one cover.) The Value of Sodium to Plants by Reason of Its 



protective Action. On the Effects of Certain Poisonous Gases on 

 Plants. By W. J. V. Osterhout. Pp. 331-340. June, 1908 10 



