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Volume 18, Issue 2 (1919)

Southern California Academy of Sciences can be found at SCAS.

Articles

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Avant Propos by the President
Holdridge O. Collins

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The Clark Observatory
Mars F. Baumgardt

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Dr. Herbert M. Bishop
Holdridge O. Collins

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Lupinus Subhirsutus N. Sp.
Anstruther Davidson

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The Fossils of La Brea Rancho
Holdridge O. Collins

Cover