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January 7, 1890
Volume 42, Page 9
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Pea-like Phosphorite from Polk Co., Florida
Volume 42, Page 10
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February 25
Volume 42, Page 38
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Note on a Southern Pupa
Volume 42, Page 44
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On the Fishes Described in Muller's Supplemental Volume to the Systema Naturæ of Linnæus
Volume 42, Page 48
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Fossil Vertebrates from Florida
Volume 42, Page 64
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Geology of Artesian Wells at Atlantic City, N. J
Volume 42, Page 132
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July 29
Volume 42, Page 198
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On a new genus of Colubridae from Florida
Volume 42, Page 199
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On Birds Collected in Yucatan and Southern Mexico
Volume 42, Page 201
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New North American Fungi
Volume 42, Page 219
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Remarks on Ticks
Volume 42, Page 278
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Description of New Species of Shells
Volume 1890, Page 284
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October 7
Volume 42, Page 341
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October 21
Volume 42, Page 342
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Trochidæ, New and Old
Volume 42, Page 343
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The Functions and Histology of the Yolk-Sack of the Young Toad-Fish
Volume 42, Page 407
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Novemrer 25
Volume 42, Page 409
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Co-Osification of Axis Vertebra with Third Cervical
Volume 42, Page 419
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Pennsylvania and New Jersey spiders of the family Lycosidae
Volume 1890, Page 420
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Note on Stemonitis maxima Sz
Volume 42, Page 438
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Description of a New Japanese Scalpellum
Volume 42, Page 441
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Report of the Librarian
Volume 42, Page 472
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Report of the Curators
Volume 42, Page 474
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Report of the Conchological Section
Volume 42, Page 481
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Report of the Professor of Ethnology and Archæology
Volume 42, Page 487
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Report of the Professor of Invertebrate Zoology
Volume 42, Page 488
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Additions to the Museum
Volume 42, Page 492
