Remarks on Dictyophyton, and descriptions of new species of allied forms from the Keokuk beds, at Crawfordsville, Ind. Bulletin of the AMNH ; v. 1, article 2
Dawson, J. W., (John William), 1820-1899 Whitfield, R. P. (Robert Parr), 1828-1910
Book
1881
English
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