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A synopsis of the sawflies (Hymenoptera: Symphyta) of America south of the United States: introduction, Xyelidae, Pamphiliidae, Cimbicidae, Diprionidae, Xiphydriidae, Siricidae, Orussidae, Cephidae
A Short Statement of some Important Facts, relative to the late election of a mathematical professor [ie John Leslie] in the University of Edinburgh... with... papers, etc