30 CARNEGIE INSTITUTION OF WASHINGTON. 



pages. Of the 29 volumes, three were new editions of former 

 books which had become out of print and were reproduced by 

 photographic processes. Thirty additional volumes are now in 

 press. 



List of publications issued during the year. 



Year Book, No. 17, 1918. Octavo, xvi+331 pages, 1 plate, 3 figures. 



Photographic reproductions of Year Books Nos. 1 and 2, for the years 1902 and 1903, respectively, 



721 pages, octavo. 

 Index Medicus, Second Series, Vol. 16, 1918. Octavo, 929 pages. 

 Index Medicus, War Supplement. Octavo, 262 pages. 

 No. 100. Ward, William Hayes. The Seal Cylinders of Western Asia. Reprint. Quarto, 



XXIX +428 pages, 1,500 figures. 

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



Plants of the Cactus Family. Quarto, Vol. 1, vn-f-236 pages, 36 pis. 301 figs. 

 No. 249. Barus, Carl. The Interferometry of Reversed and Non-reversed Spectra. 



Part III: Displacement Interferometry by the Aid of Achromatic Fringes. Octavo, 



100 pages, 71 figures. 

 Part IV: Displacement Interferometry by the Aid of Achromatic Fringes. Octavo, 

 172 pages, 117 figures. 

 No. 256. Dickson, L. E. History of the Theory of Numbers. Vol. 1 : Divisibility and Pri- 



mality. Octavo, xii +486 pages. 

 No. 257. Whitman, Charles Otis. Posthumous Works of. Edited by Oscar Riddle. (Paper 

 No. 28, Station for Experimental Evolution.) 

 Vol. I: Orthogenetic Evolution in Pigeons. Quarto, x+194pages, 88 plates, 36 figs. 

 Vol. II : Inheritance, Fertility, and the Dominance of Sex and Color in Hybrids of Wild 



Species of Pigeons. Quarto, 224 pages, 39 plates, 11 figures. 

 Vol. Ill: The Behavior of Pigeons. Edited by Harvey A. Carr. Quarto, xi+161 

 pages, 2 figures. 

 No. 259. Davenport, Charles B., and Mary F. Scudder. Naval Officers: Their Heredity and 

 Development. (Paper No. 29, Station for Experimental Evolution.) Octavo, 

 IV +236 pages, 60 charts. 

 No. 263 Tower, W. L. The Mechanism of Evolution in Leptinotarsa. Octavo, viii +340 

 pages, 19 plates, 156 figures. 

 (Appendix). Breitenbecher, J. K. The Relation of Water to the Behavior of the 

 Potato Beetle in a Desert. Octavo, pp. 341-384, 5 figures. 

 No. 265. Laughlin, Harry H. The Duration of the Several Mitotic Stages in the Dividing 

 Root-tip Cells of the Common Onion. (Paper No. 30, Station for Experi- 

 mental Evolution.) Octavo, 48 pages, 19 charts. 

 No. 270. Reichert, E. T. A Biochemic Basis for the Study of Problems of Taxonomy, Heredity, 

 Evolution, etc., with especial reference to the Starches and the Tissues of 

 Parent and Hybrid-Stocks, and to the Starches and the Hemoglobins of Varieties, 

 Species, and Genera. Quarto. 

 Part I : Summaries and Comparisons of the Properties of the Starches and of the 

 Tissues of Parent-stocks and Hybrid-stocks. Applications of the Results of 

 the Researches to the Germ-plasm, Variations, Fluctuations, Sports, Mutants, 

 Species, Taxonomy, Heredity, etc. Notes and Conclusions. Pages xi + 

 376, 34 plates, 820 charts. 

 Part II: Special, General, and Comparative Laboratory Data of the Properties of 

 the Starches and of the Tissues of Parent-stocks and Hybrid-stocks. Pages 

 VII +458. 

 No. 278. Morgan, T. H., C. B. Bridges, and A. H. Sturtevant. Contributions to the Genetics 

 of Drosophila melanogaster. Octavo, v+388 pages, 12 plates, 105 figures. 

 I: The Origin of Gynandromorphs, by T. H. Morgan and C. B. Bridges. 

 II : The Second Chromosome Group of Mutant Characters, by C. B. Bridges and 



T. H. Morgan. 

 Ill: Inherited Linkage Variations in the Second Chromosome, by A. H. Sturte- 

 vant. 

 IV: A Demonstration of Genes Modifying the Character "Notch," by T. H. Morgan 

 No. 279. Harris, J. Arthur, and Francis G. Benedict. A Biometric Study of Basal Metabolism 



in Man. Octavo, vi +266 pages, 30 diagrams. 

 No. 280. Benedict, F. G., W. R. Miles, Paul Roth, and II. Monmouth Smith. Human Vitality, 

 and Efficiency under Prolonged Restricted Diet. Octavo, xi+702 pages. 

 124 figures. 



