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Jan. 29th
Volume 19, Page 1
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On a new genus in Homoptera,
Volume 19, Page 2
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On Colonies of Plants Observed near Philadelphia
Volume 19, Page 15
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Mammalogical Notices
Volume 19, Page 34
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April 2d
Volume 19, Page 38
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April 30th
Volume 19, Page 39
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Descriptions of New Species of Texan Myriapoda
Volume 19, Page 42
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May 7th
Volume 19, Page 74
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Description of a New Genus of Plants
Volume 19, Page 81
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A collection of reptiles from Owen
Volume 1867, Page 85
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Additional Note on Dioicous Forms of Vitis vinifera, L
Volume 19, Page 98
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Description of an Apparently New Species of Owl, of the Genus Scops
Volume 19, Page 99
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A Study of the Ramphastidæ
Volume 19, Page 100
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October 22d
Volume 19, Page 125
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Notes on a Collection of Mammals from Arizona
Volume 19, Page 133
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On the Genera of Fresh-Water Fishes Hypsilepis Baird and Photogenis Cope, Their Species and Distribution
Volume 19, Page 156
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A review of the species of the Amblystomidae
Volume 19, Page 166
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On the Habits of a Tipulideous Larva
Volume 19, Page 222
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Report of the Librarian
Volume 19, Page 237
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Elections for 1867
Volume 19, Page 243
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Correspondence of the Academy for 1867
Volume 19, Page 244