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A new family of African Gymnophiona
Vol 48, Iss 10, Page 297, Date 1969-05-16
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Reptiles from the Mariana and Caroline Islands
Vol 48, Iss 8, Page 269, Date 1969-02-20
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Miscellaneous notes and descriptions of new forms of caecilians
Vol 48, Iss 9, Page 281, Date 1969-05-16
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A new caecilian from Brazil
Vol 48, Iss 11, Page 307, Date 1969-05-16
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A new Panamanian caecilian
Vol 48, Iss 12, Page 315, Date 1969-05-16
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A comparative morphological study and generic revision of the augochlorine bees (Hymenoptera: Halictidae)
Vol 48, Iss 13, Page 325, Date 1969-08-22
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Catalogue of the Types in the Snow Entomological Museum Part VI (Coleoptera)
Vol 48, Iss 1, Page 1, Date 1968-09-30
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A Review of the Genus Polygraphus
Vol 48, Iss 2, Page 21, Date 1968-09-30
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The Genus Euphorbia of the High Plains and Prairie Plains of Kansas, Nebraska, South and North Dakota
Vol 48, Iss 3, Page 45, Date 1968-09-30
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The Taxonomy of the Genus Echinacea (Compositae)
Vol 48, Iss 4, Page 113, Date 1968-09-30
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Distribution and Variation of Etheostoma spectabile (Agassiz) (Percidae, Teleostei)
Vol 48, Iss 5, Page 143, Date 1968-11-15
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Rate of Species Diversity Restoration Following Stress in Freshwater Protozoan Communities
Vol 48, Iss 6, Page 209, Date 1969-01-31
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Monograph of the Plant Genus Porophyllum (Compositae: Helenicae)
Vol 48, Iss 7, Page 225, Date 1969-01-31