Notice of fossil arborescent ferns
Subtitle: of the family Sigillaria, and other coal plants, exhibited in the roof and floor of a coal seam, in Dauphin County, Pennsylvania
Series: American Philosophical Society, Philadelphia. Transactions -- new series, v. 9, article 8
Published: 1846
Place of publication: Philadelphia
Language: eng
Number of pages: 227
Subjects: Paleontology; Sigillaria; Fossil Ferns
Other titles: Fossil coal plants
Notes: Running title: Fossil coal plants.