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New species and a new genus of parasitic copepods
Vol 59, Iss 2354, Page 1, Date 1921
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Some fossil fish scales from Pern
Vol 59, Iss 2355, Page 19, Date 1921
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A palm nut from the Miocene of the Canal Zone
Vol 59, Iss 2356, Page 21, Date 1921
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Notes on some western fluvial fishes described by Charles Girard in 1856
Vol 59, Iss 2357, Page 23, Date 1921
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Some Eocene insects from Colorado and Wyoming
Vol 59, Iss 2358, Page 29, Date 1921
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The fossil annelid genus Hamulus Morton, an operculate Serpula
Vol 59, Iss 2359, Page 41, Date 1921
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Foraminifera from the north coast of Jamaica
Vol 59, Iss 2360, Page 47, Date 1921
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Notes on sawflies, with descriptions of new genera and species
Vol 59, Iss 2361, Page 83, Date 1921
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Barnacles of the San Juan Islands, Washington
Vol 59, Iss 2362, Page 111, Date 1921
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Tertiary fossil plants from the Dominican Republic
Vol 59, Iss 2363, Page 117, Date 1921
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First supplement to "Type Species of the Genera of Ichneumon-flies"
Vol 59, Page 129, Date 1921
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New species of North American clerid beetles of the genus Aulicus
Vol 59, Iss 2365, Page 151, Date 1921
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Notes and descriptions of Neotropical sawflies of the subfamily Perreyiinae
Vol 59, Iss 2366, Page 161, Date 1921
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Tertiary fossil plants from Costa Rica
Vol 59, Iss 2367, Page 169, Date 1921
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American gallflies of the family Cynipidae producing subterranean galls onoak
Vol 59, Iss 2368, Page 187, Date 1921
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New mollusks from Camaguey and Santa Clara Provinces, Cuba
Vol 59, Iss 2369, Page 247, Date 1921
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North American predaceous beetles of the tribe Tillini in the United States National Museum
Vol 59, Iss 2370, Page 269, Date 1921
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Descriptive catalogue of the collection of Buddhist art in the United States National Museum
Vol 59, Iss 2371, Page 291, Date 1921
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New species of Lepidoptera in the United States National Museum
Vol 59, Iss 2372, Page 349, Date 1921
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Description of ferroanthophyllite, an orthorhombic iron amphibole fromIdaho, with a note on the nomenclature of the anthophyllite group
Vol 59, Iss 2373, Page 397, Date 1921
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Some notes on wasps of the subfamily Nyssoninae, with descriptions of new species
Vol 59, Iss 2374, Page 403, Date 1921
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Description of vivianite encrusting a fossil tusk from gold placers of Clearwater County, Idaho
Vol 59, Iss 2375, Page 415, Date 1921
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The crystallography and chemical composition of crecdite
Vol 59, Iss 2376, Page 419, Date 1921
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The North American semiparasitic copepods of the genus Clausidium
Vol 59, Iss 2377, Page 425, Date 1921
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Notes on certain genera of parasitic Cynipidae proposed by Ashmead with descriptions of genotypes
Vol 59, Iss 2378, Page 433, Date 1921
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A new Cretaceous rudistid from the San Felipe formation of Mexico
Vol 59, Iss 2379, Page 453, Date 1921
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Some Eocene insects of the family Fulgoridae
Vol 59, Iss 2380, Page 455, Date 1921
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Crustacea from Lake Valencia, Venezuela
Vol 59, Iss 2381, Page 459, Date 1921
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Sexual differences in coloration in the spotted turtle, Clemmys guttata
Vol 59, Iss 2382, Page 463, Date 1921
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The Troup, Texas, meteorite
Vol 59, Iss 2383, Page 471, Date 1921
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On the mineral composition and structure of the Troup meteorite
Vol 59, Iss 2384, Page 477, Date 1921
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A crystallographic study of the datolite from Westfield, Massachusetts
Vol 59, Iss 2385, Page 479, Date 1921
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Two new genera of nematodes with a note on a neglected nematode structure
Vol 59, Page 541, Date 1921
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Three new myrmecophilous beetles
Vol 59, Iss 2387, Page 547, Date 1921
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Tertiary fossil plants from Venezuela
Vol 59, Iss 2388, Page 553, Date 1921
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The fauna of the Arundel formation of Maryland
Vol 59, Iss 2389, Page 581, Date 1921
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Some interesting dragon-fly naiads from Texas
Vol 59, Iss 2390, Page 595, Date 1921
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Descriptions of species of Pleistocene Vertebrata, types or specimens of most of which are preserved in the United States National Musum
Vol 59, Iss 2391, Page 599, Date 1921
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Description of deep-sea fishes from the coast of Hawaii, killed by a lava flow from Mauna Loa
Vol 59, Iss 2392, Page 643, Date 1921-10-14
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A new species of ray from the Texas coast, and report of the occurrence of a top minnow new to the fauna of eastern Texas
Vol 59, Iss 2393, Page 657, Date 1921-10-05
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New nearctic spider mites of the family Tetranychidae
Vol 59, Iss 2394, Page 659, Date 1921
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Ludwigites from Idaho and Korea
Vol 59, Iss 2395, Page 667, Date 1921