Ritaukaskrá Landsbókasafnsins - 01.01.1941, Blaðsíða 50

50
Natijral History. Vol. -15—l(i. Ncw York 1040. 41o. (1).
Nature. Vol. 145—148. Lond. 1940—41. 8vo. *
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Philadelphia. Academy of Natural Sciences. Proceedings.
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Washington. United States National Museum. Bulletin 50,
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510 Stærðfræði.
Andrews, F. E.: New numbers. How acceptance of a duodecimal
(12) hase would simplifj' mathematics. Ncw York 1935.
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Terry, G. S.: Duodeciinal aritlimctic. Lond. 1938. 4to. (60).
520 Stjörnufræði.
Draper, A. L. & M. Lockwood: The story of astronomy. Lond.
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Ivöhler, H.: Temperaturfluktutioner ocli náget om deras samband
med solflácksfrekvensen. (Populár astronomisk tidskr.
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W ashington. The American ephemeris and nautical ahnanac
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The Journal of g e o 1 o g y. VoL 48—49. Chicago 1940—11 8vo.
D a n m a r k s geologiske undersögelse. I r. nr. 18. IV. r. hd. 2,
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Uppsala. Bulletin mensuel de l’ohservatoirc météorologique de
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570 Líffræði. Þjóðfræði.
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Hogben, L.: Principles of animal biology. Lond. 1940. 8vo.
Sherrington, Ch.: Man on his nature. Cambridge 1940. 8vo.