Subjects: Fossils / Authors: Lea, Isaac, 1792-1886 - Digital Collections - National Library of Medicine Search Results

Start Over Subjects Fossils ✖ Authors Lea, Isaac, 1792-1886 ✖

1. Description of a new mollusk from the red sandstone, near Pottsville, Pa

Author(s):: Lea, Isaac, 1792-1886
Publication:: Philadelphia : Merrihew and Thompson, printers, 1855
Subject(s):: Mollusca -- classification
Fossils
Philadelphia

2. Extracts from the Proceedings of the Academy of Natural Sciences of Philadelphia, of papers

Author(s):: Lea, Isaac, 1792-1886
Publication:: [Philadelphia? : s.n., 1856?]
Subject(s):: Alismatales -- classification
Fossils
Geologic Sediments
Mollusca -- classification

3. Extracts from the Proceedings of the Academy of Natural Sciences of Philadelphia, of papers

Author(s):: Lea, Isaac, 1792-1886
Publication:: [Philadelphia : Merrihew & Thompson, 1857]
Subject(s):: Alismatales -- classification
Fossils
Unio -- classification