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252. Papers from the Department of Marine Biology of the Carnegie Institution 



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FOWLKR, H. W. Some Amphibians and Reptiles from Porto Rico and Virgin Islands. 



15 pp., ii pis., 6 figs. 

 SILVESTER, CHARLES F. Fishes New to the Fauna of Porto Rico, with Descriptions 



of Eight New Species. 8 pp., 4 pis. 

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



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 GUDGER, E. W. Sphyrana barracuda: Its Morphology, Habits, and History. 56 pp., 



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BOWMAN, H. H. M. Botanical Ecology of the Dry Tortugas. 30 pp., 6 pis., 7 figs. 

 WHITE, E. GRACE. The Origin of the Electric Organs in Astroscopus guttatus. 44 



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MAYER, A. G. Toxic Effects due to High Temperature. 6 pp. 

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



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 BALL, S. C. The Migration of Insects to Rebecca Shoal Light-Station and the 



Tortugas Islands, with special reference to Mosquitoes and Flies. 30 pp. 

 CARY, LEWIS R. A Study of Respiration in Alcyonaria. 7 pp. 

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



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253. Ivens, Walter G. Dictionary and Grammar of the Language of Sa'a and 



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254. Davenport, Frances G. European Treaties bearing on the History of th 



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255. Churchill, William. Club Types of Nuclear Polynesia. Octavo, v+173 pages, 



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256. Dickson, L. E. History of the Theory of Numbers, Octavo. 2 vols., each $7.50 



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257. Whitman, Charles Otis. Posthumous Works of, Edited by Oscar Riddle. 



(Paper No. 28, Station for Experimental Evolution.) Quarto. Per 



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Vol. I. Orthogenetic Evolution in Pigeons, x+194 pp., 88 pis., 36 text figs. 

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258. Rowe, L. S. Federal System of the Argentine Republic. Octavo. In press 



259. Davenport, Charles B., and Mary F. Scudder. Naval Officers : Their He- 



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260. Davis, Paul B., and COLLABORATORS. Studies on Solution in its relation to 



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261. Benedict, Francis G., and Thorne M. Carpenter. Food Ingestion and 



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Behavior of the Potato Beetle in a Desert. Octavo, pp. 341-384, 

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264. Sturtevant, A. H. An Analysis of the Effects of Selection. Octavo, 68 



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266. Miles, Walter R. Effect of Alcohol on Psycho-Physiological Functions. Oc- 



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