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Investigations in the natural history of Baja California
Ser 4, Vol 30, Page 1
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West American species of the bivalved gastropod genus Berthelinia
Ser 4, Vol 30, Page 47
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Large Terebras (Mollusca) from the Eastern Pacific
Ser 4, Vol 30, Page 67
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Four spscies of chitons from the Panamic Province (Mollusca: Polyplacophora)
Ser 4, Vol 30, Page 81
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A preliminary report on the Hesperiidae of Baja California (Lepidoptera)
Ser 4, Vol 30, Page 91
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A history of explorations for vertebrates on Cerralvo Island, Baja California
Ser 4, Vol 30, Page 117
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Midwinter reconnaissance of the herpetofauna of the Gape region of Baja California, Mexico
Ser 4, Vol 30, Page 127
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The genus Alvordia (Compositae) of a Baja California, Mexico
Ser 4, Vol 30, Page 157
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A quantitative analysis of molluscan collections from Isla Espíritu Santo, Baja California, Mexico
Ser 4, Vol 30, Page 175
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Bats from islands in the Gulf of California
Ser 4, Vol 30, Page 207
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Sea of Cortez Expedition and the California Academy of Sciences, June 20-July 4, 1964
Ser 4, Vol 30, Page 211
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New species of plants from Baja California, Mexico
Ser 4, Vol 30, Page 243
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Observations on the type specimen of the scorpion Syntropis macrura Kraepeiin
Ser 4, Vol 30, Page 257
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Pliocene fossils from Rancho el Refugio, Baja California, and Cerralvo Island, Mexico
Ser 4, Vol 30, Page 265
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Fossil diatoms from southern Baja California
Ser 4, Vol 30, Page 285
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The Gulf Islands expedition of 1966
Ser 4, Vol 30, Page 309
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Shallow water foraminifera from Cape San Lucas, Lower California
Ser 4, Vol 30, Page 357
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The Diguet-Mabille land and freshwater mollusks of Baja California
Ser 4, Vol 30, Page 381
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Three late Cenozoic molluscan faunules from Baja California, with a note on diatomite from west of San Felipe
Ser 4, Vol 30, Page 401