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Descriptions of new intergeneric hybrids between certain cyprinid fishes of northwestern United States
Volume 49, Page 1
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Notes on fishes in the Zoological Museum of Stanford University. IV. A new catostomid from Mexico and a new callionymid from Celebes and the Philippines
Volume 49, Page 11
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A new burrowing spider of the genus Lycosa from the Uintah Mountains, Utah
Volume 49, Page 15
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Some new species of cicadellian leafhoppers with food plant notes on others
Volume 49, Page 17
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A primer for the aphid hunter
Volume 49, Page 27
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Mammals from a native village site on Kodiak Island
Volume 49, Page 37
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A new genus of spiders in the Erigoneae
Volume 49, Page 39
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New amphibians and reptiles from Honduras in the Museum of Comparative Zoology
Volume 49, Page 43
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Description of a new Sonoran snake of the genus Ficimia, with notes on other Mexican species
Volume 49, Page 51
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The rediscovery of the lizard Eumeces altamirani (Dug
Volume 49, Page 55
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New geckos of the genus Hemidactylus from Zanzibar and Manda Islands
Volume 49, Page 59
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New tree snakes of the genera Thrasops and Dendraspis from Kenya Colony
Volume 49, Page 63
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The drumming spider (Lycosa gulosa Walckenaer)
Volume 49, Page 67
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Taxonomic remarks on the Carolina chickadee, Penthestes carolinensis
Volume 49, Page 69
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Catostomus syncheilus palouseanus, a new subspecies of a catostomid fish from the Palouse River (Columbia R. System)
Volume 49, Page 71
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Four new plants of the genus Diplostephium
Volume 49, Page 77
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On the Indo-Australian fishes of the genus Scatophagus, with description of a new genus, Selenotoca
Volume 49, Page 83
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Descriptions of new species of lizards of the genus Sceloporus from Mexico
Volume 49, Page 87
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A new characid fish of the genus Hyphessobrycon from the Peruvian Amazon
Volume 49, Page 97
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A new cyprinid genus and species and a new characin from Portuguese East Africa
Volume 49, Page 99
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A new pocket gopher from Kern County, California
Volume 49, Page 103
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Notes on American water-striders
Volume 49, Page 105
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Six new plants from Oregon
Volume 49, Page 109
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A new flower-pecker from Palawan Island, Philippines
Volume 49, Page 113
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A new genus of gymnotid eels from the Peruvian Amazon
Volume 49, Page 115
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New reptiles from Formosa and Hainan
Volume 49, Page 117
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Fungi
Volume 49, Page 123
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Descriptions of three new red squirrels (Tamiasciurus) from North America
Volume 49, Page 133
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A new puma from Texas
Volume 49, Page 137
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A new intermediate host of the Asiatic blood fluke, Schistosoma japonicum
Volume 49, Page 139
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A new flying squirrel from West Virginia
Volume 49, Page 143
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The status oiDelphinus bairdii Dall
Volume 49, Page 145
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New or otherwise noteworthy northwestern plants-II: Two new species from the Grand Canyon of the Snake River
Volume 49, Page 147
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A new plant of the genus Fo/y^a/a from northern Mexico
Volume 49, Page 151
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Some Guatemalan species of Viburnum
Volume 49, Page 153
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Some new Issidae, with notes on others-(Homoptera-Fulgoridae)
Volume 49, Page 155
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Synonymy and synopsis of the order Protura
Volume 49, Page 159