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New subspecies of the canyon mouse (Peromyscus crinitus) from Sonora, Mexico
Volume 53, Page 1
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A new trap-door spider from Texas
Volume 53, Page 5
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Dichapetalacea et Euphorbiaceae novae
Volume 53, Page 7
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The status of Du Bus' type of Granatellus venustus
Volume 53, Page 13
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Two new birds from northwestern Texas
Volume 53, Page 15
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A new Hypopachus from Guatemala
Volume 53, Page 19
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Two new races oi Empidonax from Middle America
Volume 53, Page 23
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Some Bryozoa from Victoria Island, N. W. T
Volume 53, Page 31
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New North American Siphonaptera
Volume 53, Page 35
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Notes on nearctic spiders chiefly of the family Theridiidae
Volume 53, Page 39
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Five new forms of birds from southern Annam
Volume 53, Page 47
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Two new geographic races of birds from Central America
Volume 53, Page 51
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Descriptions of new lizards and snakes from M
Volume 53, Page 55
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Two new geophiloid chilopods from Mexico and Texas
Volume 53, Page 65
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On the moUuscan genus Trimusculus Schmidt 1818, with notes on some Mediterranean and West African Siphonarias
Volume 53, Page 67
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Two new species of Heliopsis (Asteraceae) from South America
Volume 53, Page 71
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On six new lithobiid centipeds from North Carolina
Volume 53, Page 75
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Three new forms of birds from South Annam
Volume 53, Page 79
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Ten new white-tailed deer from North and Middle America
Volume 53, Page 81
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Skull of fossil porpoise, Delphinodon dividum, from banks of Potomac River, at Wakefield, Virginia
Volume 53, Page 91
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The correct name of the Florida Hydatina
Volume 53, Page 92
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A substitute name for Thomomys bottae occipitalis Benson and Tillotson
Volume 53, Page 93
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A new Syrrhophus from Guerrero, Mexico
Volume 53, Page 95
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Synopsis of the Cadaverinus group of the genus Aphodius with descriptions of three new species
Volume 53, Page 99
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A new Rhacophoms and a new Philautus from Ceylon
Volume 53, Page 105
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Ten new neotropical beetles of the scarab genus Phyllophaga
Volume 53, Page 109
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Palatal sesamoid bones and palatal teeth in Cnemidophorus, with notes on these teeth in other saurian genera
Volume 53, Page 119
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Report on an herpetological collection from the Sierra Madre Mountains of Chihuahua
Volume 53, Page 125
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Six new forms of birds from Indochina
Volume 53, Page 131
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Eighth supplement to the flora of the District of Columbia and vicinity
Volume 53, Page 135
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A new chipmunk of the Eutamias amoenus group from Nevada
Volume 53, Page 155
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A new cotton rat (Sigmodon) from Arizona and New Mexico
Volume 53, Page 157