Title: Collected papers, volume one.
Authors: James, Thomas Potts, 1803-1882.
Contents: Enumeration of mosses detected in the northern U.S.--Musci, in A History of Delaware County, Penn.--Enumeration of the arctic plants ... of Smith's Sound.--Description of two new species of musci.--Description of some new species of North American mosses.--Biographical sketch of T.P. James.