A Synopsis of the Genera and Species of Museae, Fachbücher von J. G. Baker

Synopsis of the Families and Genera of North American Diptera, Fachbücher von Samuel Wendell Williston

Synopsis Filicum, Fachbücher von John G. Baker, William J. Hooker

Synopsis of the Families and Genera of the Hymenoptera of America, North of Mexico, Fachbücher von Ezra Townsend Cresson

A revision of the genera and species of Canadian Palaeozoic corals, Fachbücher von of Canada Geological Survey, Lawrence...

Synopsis Of The Families And Genera Of The Hymenoptera Of America,

E. T. Cresson | Synopsis Of The Families And Genera Of The Hymenoptera

Iconography of Australian Species of Acacia and Cognate Genera, Fachbücher von Ferdinand von Müller

Synopsis of the Species of Whales and Dolphins in the Collection of the British Museum, Fachbücher von John Edward Gray

New Genera and Species of Californian Coleoptera, Fachbücher von Thomas Lincoln Casey

Martin Jacoby | Descriptions Of The Genera And Species Of

Synopsis of the Species of Starfish in the British Museum, Fachbücher von John Edward Gray

William Theobald | Index Of The Genera And Species Of Mollusca |

Xix. Revision Of The Genera And Species Of Malacoderm Coleoptera Of

A Hand-list Of The Genera & Species Of Birds. (nomenclator Avium

Analytic Keys to the Genera and Species of North American Mosses, Fachbücher von Charles Reid Barnes, Frederick De Fores...