28 CARNEGIE INSTITUTION OF WASHINGTON. 



No. 245. Hedrick, Henrj' B. Interpolation Tables or Tables of Proportional Parts, containing 

 the products to the nearest unit of all numbers from 1 to 100 by each hundredth 

 from 0.01 to 0.99 and of all numbers from 1 to 1,000 by each thousandth from 

 0.001 to 0.999. Folio, 149 pages. 

 No. 246. Albany Zone Catalogues for the Epoch 1900. Quarto, xxiii+249 pages. 



Boss, Lewis. Catalogue of 8276 Stars between 20° and 41° South Declination. 

 Roy, Arthur J. Catalogue of 2800 Stars between 2° of South and 1° of North Declin- 

 ation 

 No. 249. Barus, Carl. The Interferometry of Reversed and Non-reversed Spectra. (Part II.) 



Octavo, 146 pages, 97 figures. 

 No. 252. Papers from the Department of Marine Biology of the Carnegie Institution of Wash- 

 ington. Vol. XII. Octavo, v+258 pages, 29 plates, 28 figures. 

 Fowler, H. W. Some Amphibians and Reptiles from Porto Rico and the Virgin 



Islands. 15 pages, 11 plates, 6 figures. 

 Silvester, Charles F. Fishes New to the Fauna of Porto Rico, with Descriptions of 



Eight New Species. 8 pages, 4 plates. 

 Gudger, E. W. Oral Gestation in the Gaff-topsail Catfish, Felichthys felis. 28 



pages, 4 plates. 

 Gudger, E. W. Sphyrcena barracuda: Its Morphology, Habits, and History. 56 



pages, 7 plates, 5 figures. 

 Bowman, H. H. M. Botanical Ecology of the Dry Tortugas. 30 pages, 6 plates, 7 



figures. 

 White, E. Grace. The Origin of the Electric Organs in Astroscopvs guttatus. 44 pages, 



7 plates, 1 figure. 

 Mayer, A. G. Toxic Effects due to High Temperature. 6 pages. 

 Mayer, A. G. Nerve-conduction in Diluted and in Concentrated Sea-water. 5 



pages, 1 figure. 

 Ball. S. C. The Migration of Insects to Rebecca Shoal Light-Station and the Tor- 

 tugas Islands, with special reference to Mosquitoes and Flies. 30 pages. 

 Gary, Lewis R. A Study of Respiration in Alcyonaria. 7 pages. 

 McCIendon, J. F. On Changes in the Sea and their Relation to Organisms. 47 

 pages, 8 figures. 

 No. 253. Ivens, Walter G. Dictionary and Grammar of the Language of Sa'a and Ulawa, 

 Solomon Islands. With appendices. Octavo, vii+249 pages, 12 plates, 1 figure. 

 No. 254. Davenport, Frances G. European Treaties bearing on the History of the United 



States and Its Dependencies, to 1648. Octa.vo, vi+387 pages. 

 No. 260. Davis, Paul B., and Collaborators. Studies on Solution in its relation to Light- 

 Absorption, Conductivity, Viscosity, and Hydrolysis; A Report upon a Num- 

 ber of Experimental Investigations carried out in the Laboratory of the late 

 Professor Harry C. Jones. Octavo, 144 pages, 26 figures. 

 No. 261. Benedict, Francis G., and Thorne M. Carpenter. Food Ingestion and Energy Trans- 

 formations with special reference to the Stimiilating Effect of Nutrients. Octavo, 

 355 pages, 3 figures. 

 No. 264. Sturtevant, A. H. An Analysis of the Effects of Selection. Octavo, 66 pages, 1 plate, 



14 text figures, 38 tables. 

 No. 266. Miles, Walter R. Effect of Alcohol on Psycho-Physiological Functions. Octavo, 144 



pages, 15 figures, 32 tables. 

 No. 267. Smith, Edgar F., and Walter K. Van Haagen. The Atomic Weights of Boron and 



Fluorine. Octavo, v+65 pages, 6 text figures. 

 No. 269. Johnson, Duncan S. The Fruit of Opuntia fulgida. A Study of Perennation and 



Proliferation in the Fruits of Certain Cactacese. Octavo, 62 pages, 13 plates. 

 No. 271. Contributions to Embryology, Nos. 24, 25, 26. Vol. VIII. Quarto, 198 pages. 



Streeter, George L. The Developmental Alterations in the Vascular System of the 

 Brain of the Human Embryo. (Contribution No. 24.) 38 pages, 5 plates, 12 

 figures. 

 Cowdry, E. V. The Mitochondrial Constituents of Protoplasm. (Contribution No. 



25.) 120 pages, 1 plate, 9 figures. 

 Kunitomo, Kanae. The Development and Reduction of the Tail and the Caudal 

 End of the Spinal Cord. (Contribution No. 26.) 36 pages, 4 plates, 2 text 

 figures. 



