April 25th; Synopsis of the Species of Platynus and Allied Genera, Inhabiting the United States; Descriptions of New Genera and Species of North American Frogs; On Fossil Coniferous Wood, from Prince Edward Island; Description of a Species of Crane Found in Wisconsin, Presumed to Be New; Description of Fossil Trees in the Coal Rocks near Greensburgh, Westmoreland County, Pennsylvania; Description of Fossil Fruit Found in the Carboniferous Rocks of Beaver County, Pa.; Descriptions of New Birds of Northern Mexico

Autor:	Le Conte, John L., Baird, Spencer F., Dawson, J. W.
Zdroj:	Proceedings of the Academy of Natural Sciences of Philadelphia, 1854 Jan 01. 7, 35-67.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/4059019 Zobrazit plný text záznamu