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Science, New Series, Vol. 24, No. 603, Jul. 20, 1906


Previous Issue: New Series, Vol. 24, No. 602, Jul. 13, 1906
Next Issue: New Series, Vol. 24, No. 604, Jul. 27, 1906


Front Matter (1 p.)
The Aims of an Astronomer, pp. 65-71
Edward C. Pickering

Some Aspects of the Panama Canal, pp. 71-78
Wm. H. Burr


Scientific Books
----------------, pp. 78-81
Archeological Researches in Costa Rica
C. V. Hartman
Review author[s]: George Grant MacCurdy


Scientific Journals and Articles, p. 81


Discussion and Correspondence
De Vries and His Critics, pp. 81-89
C. Stuart Gager


Special Articles
A New Fossil Seal from the Marine Miocene of the Oregon Coast Region, pp. 89-92
J. L. Wortman
Dew-Point and Humidity Chart, p. 92
John F. Woodhull


Quotations
The Most Important Work in the World, pp. 92-93


Observatories and Astronomers of the World, p. 93
Elizabeth Thompson Science Fund, pp. 93-94
Charles S. Minot

Scientific Notes and News, pp. 94-96
University and Educational News, p. 96

Previous Issue: New Series, Vol. 24, No. 602, Jul. 13, 1906
Next Issue: New Series, Vol. 24, No. 604, Jul. 27, 1906



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