18 CARNEGIE INSTITUTION OF WASHINGTON. 



The publication of 19 volumes has been authorized by the Execu- 

 tive Committee during the year, at an aggregate estimated cost of 

 Publications Author- $^9,000. The followiug list gives the titles and names 



ized and Issued of authors of the publications issued; it includes 24 

 urmg e ear. yQi^jjjes, with an aggregate of 4,566 octavo pages and 

 2,039 quarto pages. Thirteen additional volumes are now in press. 



G. — List of 'publications issued during the year ending October SI, 1922. 



Year Book, No. 20, 1921. Octavo, xxii+475 pages, 1 plate, 10 figures. 



Index Medicus, Third Series. Vol. 1, 1921. Octavo, 1,242 pages. 



Tenth edition of an illustrated pamphlet on the Scope and Organization of the Carnegie Insti- 

 tion of Washington. Octavo, 58 pages, 1 plate, 2 maps, 33 figures. 



No. 85. Hasse, Adelaide R. Index of Economic Material in the Documents of the States of 

 the United States. Quarto. 

 Pennsylvania, Part II, F to Railroads, pages 811-1,479. 

 Pennsylvania, Part III, Rainfall to Z, pages 1,481-1,711. 



No. 175. Vol. IV. Bauer, L. A., in collaboration with J. A. Fleming, H. W. Fisk, and W. J. 

 Peters. Land Magnetic Observations, 1914-1920, and Special Reports by J. A. 

 Fleming, H. W. Fisk, and S. J. Barnett. (Researches of the Department of 

 Terrestrial Magnetism.) Quarto, vi+475 pages, 9 plates, 17 figures. 



No. 215A. Johnson, E. R., T. W. Van Metre, G. G. Huebner, and D. S. Hanchett, with an 

 introductory note by H. W. Farnam. History of Domestic and Foreign Com- 

 merce of the United States. Second edition. Reproduced by photography 

 and issued in one volume. Octavo, 785 pages, 10 maps. 



No. 248. Britton, N. L., and J. N. Rose. The Cactaceae: Descriptions and Illustrations of 

 Plants of the Cactus Family. Quarto, in 4 volumes. 

 Vol. III. vii+255 pages, 24 plates, 250 figures. 



No. 268. Hyde, Walter W. OljTnpic Victor Monuments and Greek Athletic Art. Octavo, 

 xix+406 pages, 33 plates, 80 figures. 



No. 273. Contributions to Embryolog5% Nos. 47 and 48. Vol. X. Quarto. This book con- 

 tains the following papers: 

 Evans, Herbert McLean, and Katharine J. Scott. — On the Differential Reaction 

 to Vital Dyes of the Two Great Groups of Connective-Tissue Cells. (Contribu- 

 tion No. 47.) 55 pages, 11 plates. 

 Macklin, Charles C. — The Skull of a Human Fetus of 43 Millimeters Greatest 

 Length. (Contribution No. 48.) 48 pages, 5 plates. 



No. 293. Treadwell, A. L. Leodicidse of the West Indian Region. (Paper from the Department 

 of Marine Biology. Vol. XV.) Quarto, iv + 131 pp., 9 pis., 467 text-figs. 



No. 304. Lowe, E. A., and E. K. Rand. A Sixth-Century Fragment of the Letters of Pliny 

 the Younger. Quarto, vi+67 pages, 20 plates. 



No. 306. Contributions to the Geology and Palaeontology of the West Indies. Octavo, iv-1- 

 122 pp., 18 plates, 6 figs. This book contains the following papers: 

 Jackson, Robert T. — Fossil Echini of the West Indies. 



Vaughan, Thomas Wayland. — The Stratigraphic Significance of the Species of the 

 West Indian Fossil Echini. 



No. 308. Cannon, W. A. Plant Habits and Habitats in the Arid Portions of South Australia. 

 Octavo, viii4-l,39 pp., 32 plates, 31 figures. 



No. 309. Smith, Henry Monmouth. Gaseous Exchange and Physiological Requirements for 

 Level and Grade Walking. Octavo, viii+310 pages, 1 plate, 42 figures. 



No. 310. Barus, Carl. Displacement Interferometry Applied to Acoustics and to Gravitation. 

 Octavo, viii-t-149 pages, 183 figures. 



No. 311. Cushman, Joseph A. Shallow-water Foraminifera of the Tortugas Region. (Paper 

 from the Department of Marine Biology of the Carnegie Institution of Washing- 

 ton, Vol. XVII.) Octavo, 85 pages, 14 plates, 1 map, 8 figures. 



No. 314. Loftfield, J. V. G. The Behavior of Stomata. Octavo, 104 pp., 16 pis., 54 figs. 



No. 316. Weaver, J. E., F. C.Jean, and J. W. Crist. Development and Activities of Roots of 

 Crop Plants. Octavo, vi4-116 pages, 14 plates, 42 figures. 



No. 317. Hayford, John F. Effects of Winds and of Barometric Pressures upon the Great 

 Lakes. Octavo, v-|-133 pages, 16 plates. 



No. 318. Wyckoff, Ralph W. G. The Analytical Expression of the Results of the Theory of 

 Space Groups. Octavo, vii-f-180 pages, 34 figures. 



No. 319. Cooper, W. S. The Broad-Sclerophj'U Vegetation of California: An Ecological Study 

 of the Chaparral and its Related Communities. Octavo, 124 pp., 21 pis., 43 figs. 



No. 320. Castle, W. E. Genetic Studies of Rabbits and Rats. Octavo, 55 pp., 2 pis., 7 figs. 



No. 321. Case, E. C. New Reptiles and Stegocephalians from the Upper Triassic of Western 

 Texas. Quarto, 84 pages, 14 plates, 33 figures. 



