Subjects: Mollusca -- classification - Digital Collections - National Library of Medicine Search Results

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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. Appendix to the preliminary geological report of William P. Blake

Publication:: [United States?] : [publisher not identified], [July 1855]
Subject(s):: Mollusca -- classification
Fishes -- classification
Plants -- classification
Fossils
California

3. 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