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Concerning the origin of the soft-shelled turtle, Aspidonectes californiana Rivers
Ser 4, Vol 7, Page 33
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Stratigraphic and faunal relations of the Martinez to the Chico and Tejon of Southern California
Ser 4, Vol 7, Page 41
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The fauna of a medial Tertiary formation and the associated horizons of Northeastern Mexico
Ser 4, Vol 7, Page 125
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Climate and its influence upon the Oligocene faunas of the Pacific Coast, with descriptions of some new species from the Molopoph-orus lincolnensis Zone
Ser 4, Vol 7, Page 157
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Climatic zones of Martinez Eocene time
Ser 4, Vol 7, Page 193
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Ancient Panama Canals
Ser 4, Vol 7, Page 197
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Geology of a portion of the McKittrick District, a typical example of the west side San Joaquin valley oil fields, and a correlation of the oil sands of the west side fields
Ser 4, Vol 7, Page 207
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Notes on West American Chitons-I
Ser 4, Vol 7, Page 229
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Report upon a collection of Hemiptera made by Walter M. Giffard in 1916 and 1917, chiefly in California
Ser 4, Vol 7, Page 249
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Report of the President of the Academy for the year 1917
Ser 4, Vol 7, Page 319