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February 8th, 1848
Volume 4, Page 4
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Donations to the Library, in March and April, 1848
Volume 4, Page 52
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Description of two new species of Onychocephalus, from the western coast of Africa
Volume 1848, Page 59
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Donations to the Museum. In May and June, 1848
Volume 4, Page 69
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Donations to the Library. In May and June, 1848
Volume 4, Page 70
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August 22d, 1848
Volume 4, Page 76
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Donations to the Museum, in September and October, 1848
Volume 4, Page 109
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December 5th, 1848
Volume 4, Page 116
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Donations to Museum, in November and December
Volume 4, Page 137
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January 9th, 1849
Volume 4, Page 145
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March 6th, 1849
Volume 4, Page 169
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Description of a species of Eryx, from Madras
Volume 1848, Page 184
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On several new Hymenoptera of the genera Ampilex, Sigalphus, Chelonus and Dorylus
Volume 4, Page 203
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October 23d
Volume 4, Page 234
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Donations to Museum. In September and October, 1849
Volume 4, Page 241
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Donations to Library. In November and December, 1849
Volume 4, Page 263
