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Megalonyx milleri, a new Pleistocene Ground Sloth from southern California
Volume 9, Page 15
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A new form, of Perognathus formosus from the Mohave desert region of California
Volume 9, Page 35
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Three new worm snakes of the genus Leptotyphlops
Volume 9, Page 59
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A new subspecies of the western worm snake
Volume 9, Page 67
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Notes on some North American Birds of the genera Myiodynastes, Pitangus and Myiochanes
Volume 9, Page 79
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The worm snakes of the genus Leptotyphlops in the United States and Northern Mexico
Volume 9, Page 87
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The lyre snakes (Genus Trimorphodon) of the United States
Volume 9, Page 163
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Two new sub-species of Phyllorhynchus, the Leaf-Nosed Snake, with notes on the genus
Volume 9, Page 195
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A new Cardinal from central Lower California, Mexico
Volume 9, Page 215
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A new species of legless lizard from San Geronimo Island, Lower California, Mexico
Volume 9, Page 225
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A new chuckwalla from Santa Catalina Island, Gulf of California, Mexico
Volume 9, Page 285
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The long-nosed snakes of the genus Rhinocheilus
Volume 9, Page 289
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A new species of rattlesnake from Venezuela
Volume 9, Page 333
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Observations on plants and insects in north-western Baja California, Mexico, with descriptions of new bees
Volume 9, Page 337
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A vertebrate faunal survey of the Organ Pipe Cactus National Monument, Arizona
Volume 9, Page 353
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Notes on some Mexican and Californian Birds, with descriptions of six undescribed races
Volume 9, Page 377
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Foraminifera from the type area of the Kreyenhagen shale of California
Volume 9, Page 385