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Additions to the known herpetological fauna of Costa Rica with comments on other species. No. III
Vol 39, Iss 1, Page 3, Date 1958-11-18
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Notes on Costa Rican Centrolenidae with descriptions of new forms
Vol 39, Iss 2, Page 41, Date 1958-11-18
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Observations on the Ethology of Neotropical Anthophorine Bees (Hymenoptera: Apoidea)
Vol 39, Iss 3, Page 69, Date 1958-11-18
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The Flora and Ecology of the Chautauqua Hills in Kansas
Vol 39, Iss 4, Page 97, Date 1958-11-18
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A Subgeneric Revision of the Genus Osmia in the Western Hemisphere (Hymenoptera: Megachilidae)
Vol 39, Iss 5, Page 211, Date 1958-11-18
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Notes on Oviposition and the Hatching of Eggs of Aedes and Psorophora Mosquitoes (Diptera: Culicidae)
Vol 39, Iss 6, Page 263, Date 1958-11-18
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A Revision of the Genus Osmia, Subgenus Centrosmia (Hymenoptera: Megachilidae)
Vol 39, Iss 7, Page 275, Date 1958-11-18
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The Comparative Morphology, Phylogeny and Higher Classification of the Butterflies (Lepidoptera: Papilionoidea)
Vol 39, Iss 8, Page 305, Date 1958-11-18
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The Tenagogonus-Limnometra complex of the Gerridae
Vol 39, Iss 9, Page 371, Date 1958-11-18
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An anatomical study of a Neotropical tree frog, Centrolene prosoblepon (Salientia: Centrolenidae)
Vol 39, Iss 10, Page 459, Date 1958-11-18
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Observations on the Behavior of Brasilian Halictid Bees, III
Vol 39, Iss 11, Page 473, Date 1958-11-18
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Catalogue of the Types in the Snow Entomological Museum. Part II (Mallophaga)
Vol 39, Iss 12, Page 507, Date 1958-11-18
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Mitotic Activity in Allium After Treatment With Chromosome-Breaking Chemicals
Vol 39, Iss 13, Page 519, Date 1958-11-18