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The Machris Brazilian Expedition. General account
Vol 1, Page 1, Date 1957-01-23
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The Machris Brazilian Expedition. Botany: General
Vol 2, Page 1, Date 1957-01-24
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The Machris Brazilian Expedition. Botany: A new dodder from Goias, Cuscuta burrellii
Vol 3, Page 1, Date 1957-01-25
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The Machris Brazilian Expedition. Botany: The lichens
Vol 4, Page 1, Date 1957-02-18
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The Machris Brazilian Expedition. Botany: Cyanophyta
Vol 5, Page 1, Date 1957-02-19
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The Machris Brazilian Expedition. Botany: A new mint from Goias, Hyptis machrisae
Vol 6, Page 1, Date 1957-02-20
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The Machris Brazilian Expedition. Botany: Phanerogamae, various smaller families
Vol 7, Page 1, Date 1957-03-07
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Notes on Eastern Pacific insular marine algae
Vol 8, Page 1, Date 1957-06-27
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A new species of passerine bird from the Miocene of California
Vol 9, Page 1, Date 1957-06-28
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The Machris Brazilian Expedition. Botany: A new columnar cactus from Goias
Vol 10, Page 1, Date 1957-07-15
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The Machris Brazilian Expedition. Botany: Chlorophyta; Euglenophyta
Vol 11, Page 1, Date 1957-08-20
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The Machris Brazilian Expedition. Entomology: General; Systematics of the Notonectidae (Hemiptera)
Vol 12, Page 1, Date 1957-08-21
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The Machris Brazilian Expedition. Botany: Phanerogamae, Leguminosae
Vol 13, Page 1, Date 1957-10-23
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The Machris Brazilian Expedition. Entomology: Gelastocoridae (Hemiptera) from Central Goias
Vol 14, Page 1, Date 1957-10-31
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Marine algae of the Pacific Costa Rican gulfs
Vol 15, Page 1, Date 1957-10-31
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A classification of the Oscines (Aves)
Vol 16, Page 1, Date 1957-10-31
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The Machris Brazilian Expedition. Botany: Phanerogamae, Bromeliaceae and other smaller families
Vol 17, Page 1, Date 1957-12-23
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The Machris Brazilian Expedition. Botany: Musci
Vol 18, Page 1, Date 1957-12-23
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A new race of pocket gopher Geomys bursarius from Missouri
Vol 19, Page 1, Date 1958-01-29
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Further bird remains from the San Diego Pliocene
Vol 20, Page 1, Date 1958-03-06
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The Machris Brazilian Expedition. Botany: Phanerogamae, Euphorbiaceae, Lentibulariaceae, Rubiaceae
Vol 21, Page 1, Date 1958-04-21
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The Machris Brazilian Expedition. Botany: Gramineae
Vol 22, Page 1, Date 1958-04-21
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The Machris Brazilian Expedition. Botany: Phanerogamae, Alstroemeriaceae and other families
Vol 23, Page 1, Date 1958-06-25
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The Machris Brazilian Expedition. Botany: Fungi
Vol 24, Page 1, Date 1958-06-25
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Miocene sulids of southern California
Vol 25, Page 1, Date 1958-08-15
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The Machris Brazilian Expedition. Botany: Hepaticae
Vol 26, Page 1, Date 1958-08-15
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Marine algae from the 1958 cruise of the Stella Polaris in the Gulf of California
Vol 27, Page 1, Date 1959-01-19
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The Machris Brazilian Expedition. Botany: Phanerogamae, Melastomataceae and Polygalaceae
Vol 28, Page 1, Date 1959-03-02
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Quaternary animals from Schuiling Cave in the Mojave Desert, California
Vol 29, Page 1, Date 1959-04-14
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The Machris Brazilian Expedition. Botany: Phanerogamae, Amaranthaceae and other families
Vol 30, Page 1, Date 1959-07-01
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Late Pleistocene invertebrates of the Newport Bay area, California
Vol 31, Page 1, Date 1959-10-14
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The Machris Brazilian Expedition. Botany: Phanerogamae, Acanthaceae
Vol 32, Page 1, Date 1959-12-15
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The Machris Brazilian Expedition. Ornithology: Two new birds from central Goias, Brazil
Vol 33, Page 1, Date 1959-12-15
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A new giant water bug from Mexico (Hemiptera: Belostomatidae)
Vol 34, Page 1, Date 1959-12-15