THE Q U E S T I O N O F INCREASE O F A T M O S P H E R I C CO, 27 REFERENCES ARRHENIUS, SVANTE,1903 : Lehrbuch der kosmischen Physik 2. Leipzig: Hirzel. BOHR.C., 1899: Die Loslichkeit von Gasen in Flussigkeiten. Ann. d. Phys. 68, p. 500. BUCH, K., 1933: Der Borsauregehalt des Meerwassers und seine Bedeutung bei der Berechnung des Kohlensauresystems. Rapp. Cons. Explor. Mer. 85, p. 71. CALLENDAR, G. S., 1938: The artificial production of carbon dioxide and its influence on temperature. Quarterly Journ. Royal Meteorol. SOL.64, p. 223. CALLENDAR, G. S., 1940: Variations in the amount of carbon dioxide in different air currents. Quarterly Journ. Royal Meteorol. SOL.66, p. 395. CALLENDAR, G. S., 1949: Can carbon dioxide influence climate? Weather 4. p. 310. CHAMBERLIN, T. C., 1899: An attempt to frame a working hypothesis of the cause of glacial periods on an atmospheric basis. J. oJ Geology 7, pp. 575, 667, 751. CONWAY, E. J., 1942: Mean geochemical data in relation to oceanic evolution. Proc. R o y . Irish Acad., B . 48, p. 119. CRAIG,H., 1953 : The geochemistry of the stable carbon isotopes. Geochim. et Cosmochim. Acta 3. p. 53. CRAIG,H., 1954: Carbon 1 3 in plants and the relationship between carbon 1 3 and carbon 14 variations in nature. Journ. Geol. 62, p. 1 1 5 . DINGLE,H. N., 1954: The carbon dioxide exchange between the North Atlantic Ocean and the atmosphere. Tellus 6, p. 342. ERIKSON, E., and WELANDER, P., 1956: On a mathematical model of the carbon cycle in nature. Tellus 8, p. 155. FERGUSSON, G. J., and RAFTER,T. A.: N e w Zealand C-14 Age Measurements III. In press. FONSELIUS, S., KOROLEFF, F., and WARME,K., 1956: Carbon dioxide variations in the atmosphere. Tellus 8, p. 176. HARVEY, H. W., 1955: The Chemistry and Fertility of Sea Water. Cambridge: University Press. Tellus 1X (19J7). 1 HAYES,F. N.. ANDERSON, E. C., and ARNOLD, J. R., 1955: Liquid scintillation counting of natural radiocarbon. Proc. of the International Conference on Peaceful Uses of Atomic Energy, Geneva, r4. p. 188. HUTCHINSON, G. E., 1954: In The Emth as a Planet, G. Kuiper, ed. Chicago: University Press. Chapter 8. MUNK,W., and REVELLE, R., 1952: Sea level and the rotation of the earth. A m . Journ. Sci. 250, p. 829. NIER, A. O., and GULBRANSEN, E. A., 1939: Variations in the relative abundance of the carbon isotopes. Journ. Am. Chem. Soc. 61, p. 697. PLASS,G. N., 1956: Carbon dioxide theory of climatic change. Tellus 8, p. 140. RAFTER,T. A., 1955: C14 variations in nature and the effect on radiocarbon dating. N e w ZealandJourn. Sci. Tech. B. 37, p. 20. RUBEY,W. W., 1951: Geologic history of sea water. Bull. Geol. SOL.Amer. 62, p. 1 1 1 1 . SLOCUM, GILES,1955: Has the amount of carbon dioxide in the atmosphere changed significantly since the beginning of the twentieth century? Monthly Weather Rev. Oct., p. 22s. SUESS,H. E., 1953: Natural Radiocarbon and the rate of exchange of carbon ?:oxide between the atmosphere and the sea. Nuclear Processes in Geologic Settings, National Academy of Sciences - National Research Council Publication, pp. 52-56. SIJESS,H. E., 1954: Natural radiocarbon measurements by acetylene counting. Science 120,p. 5 . SUESS, H. E., 1955: Radiocarbon concentration in modern wood. Science 122, p. 415. SVERDRUP, H. U., JOHNSON, M. W., and FLEMING, R. H.. 1942: The Oceans. New York: Prentice-Hall, Inc. UNJTEDNATIONS,1955: World requirements of energy, 197j--zooo. International ConJerence on Peaceful Uses $Atomic Energy, Geneva, I , p. 3. UREY,H. C., 1952: The Planets. New Haven: Yale Univ. Press.