RIDGWAY, R. 1901. The birds of North and Middle America. U. S. Nation. Mus. Bull., 50, part I, xxx + 715 pp., 20 pls. 1904. _Ibid._, part III, xx + 801 pp., 19 pls. 1912. Color standards and color nomenclature. (Washington, D. C., Ridgway), iii + 44 pp., 53 pls. _Transmitted March 3, 1918._ UNIVERSITY OF CALIFORNIA PUBLICATIONS Note.--The University of California Publications are offered in exchange for the publications 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 or 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. ZOOLOGY.--W. E. Ritter and C. A. Kofoid, Editors. Price per volume, $3.50; beginning with vol. 11, $5.00. This series contains the contributions from the Department of Zoology, from the Marine Laboratory of the Scripps Institution for Biological Research, at La Jolla, California, and from the California Museum of Vertebrate Zoology in Berkeley. Cited as Univ. Calif. Publ. Zool. Volume 1, 1902-1905, 317 pages, with 28 plates $3.50 Volume 2 (Contributions from the Laboratory of the Marine Biological Association of San Diego), 1904-1906, xvii + 382 pages, with 19 plates $3.50 Volume 3, 1906-1907, 383 pages, with 23 plates $3.50 Volume 4, 1907-1908, 400 pages, with 24 plates $3.50 Volume 5, 1908-1910, 440 pages, with 34 plates $3.50 Volume 6, 1908-1911, 478 pages, with 48 plates $3.50 Volume 7 (Contributions from the Museum of Vertebrate Zoology), 1910-1912, 446 pages, with 12 plates $3.50 Volume 8, 1911, 357 pages, with 25 plates $3.50 Volume 9, 1911-1912, 365 pages, with 24 plates $3.50 Volume 10, 1912-1913, 417 pages, with 10 plates $3.50 Volume 11, 1912-1914, 538 pages, with 26 plates $5.00 Volume 12 (Contributions from the Museum of Vertebrate Zoology), 1913-1916, 558 pages, with 22 plates $5.00 Volume 13, 1914-1916, 529 pages, with 39 plates $5.00 Vol. 14. 1. A Report upon the Physical Conditions in San Francisco Bay, Based upon the Operations of the United States Fisheries Steamer "Albatross" during the Years 1912 and 1913, by F. B. Sumner, G. D. Louderback, W. L. Schmitt, E. C. Johnston. Pp. 1-198, plates 1-13, 20 text figures. July, 1914 $2.25