Publisher's Synopsis
Excerpt from Description of the Coal Flora of the Carboniferous Formation in Pennsylvania and Throughout the United States, Vol. 1: 1. Cellular Cryptogamous Plants, Fungi, Thalassophytes; 2. Vascular Cryptogamous Plants, Calamariae, Filicaceae (Ferns)
The localities of specimens, and the names of contributors are carefully recorded in the descriptive text; and to all Who have helped me in my long researches I hereby send these words of g1ateful remembrance.
Prof. Louis Agassiz was the first promoter of this Coal Flora of the United States. After his death, the Museum of Comparative Zoology which he founded at Cambridge, Mass. Generously allowed me the use of the materials ap pertaining to the institution, with permission to make them known as opportunities for benefiting science occurred. But Without your own interest in the publication of this work it would probably never have seen the light. To Prof Agassiz and to yourself, my two highly honored friends, therefore, I should dedicate it, were it not the property of the Commonwealth of Pennsylvania.
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