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Publication Extents

Not all publications have extents, not all extents are completely accurate
II.-Note on Some Appendages of the Trilobites
Charles D. Walcott
1894, Geological Magazine (1) 246-251
The results of Mr. W. S. Valiant's long search for the appendages of Trilobites have recently been made known by Mr. W. B. Matthew, who described the material sold to the Columbia College of New York by Mr. Valiant. Mr. Valiant informs me that he discovered traces of what he...