22 Publications of Carnegie Institution of Washington 



291. Contributions to the Geology and Paleontology of the West Indies. Octavo, 

 184 pages, 53 plates $3.50 



This book contains the following papers, not sold separately: 



VAUGHAN, THOMAS WAYLAND. Introduction. 4 pages. 



HOWE, MARSHALL A. Fossil Calcareous Algae from the Leeward Islands. 1 1 pages, 



6 plates. 

 CUSHMAN, JOSEPH A. Fossil Foraminifera from the West Indies. 11 pages, 15 



plates. 

 CANU, FERDINAND, and RAY S. BASSLER. Fossil Bryozoa from the West Indies. 



30 pages, 7 plates. 

 COOKE, CHARLES WYTHE. Fossil Mollusca from the Leeward Islands and Cuba. 



54 pages, 16 plates. 

 RATHBUN, MARY J. Fossil Decapod Crustacea from the West Indies. 28 pp., 9 pis. 



292. 



293. Treadwell, A. L. Leodicidse of the West Indian Region. Quarto. In press 



294. Mortensen, Th. Studies in the Development of Crinoids. Quarto. In press 



295. Mohr, O. L., and Chr. Wriedt. A New Type of Hereditary Brachyphalangy 



in Man. (Paper No. 31, Startion for Experimental Evolution.) Octavo, 

 64 pages, 7 plates, 4 text figures $1.00 



296. Key, Wilhelmine E. Dissimilar Heredity and Social Fitness as illustrated 



in a Certain Pennsylvania Family. (Paper No. 32, Station for Experi- 

 mental Evolution.) 3 charts In press 



297. MacDougal, Daniel T. Hydration and Growth. Octavo . . In press 



298. Nichols, Edward L., and H. L. Howes, in collaboration with Ernest Merritt, 



D. T. Wilbur, and Frances G. Wick. Fluorescence of the Uranyl Salts. 

 Octavo In press 



