Letter 12397 Darwin, C. R. to Prestwich, Joseph 3 Jan 1880 Summary Add + JP is right; CD gave up [Glen Roy theory] when he read T. F. Jamieson ["On the parallel roads of Glen Roy", Q. J. Geol. Soc. Lond. 19 (1863): 235–58]. Transcription The full text of this letter is not yet available online. Footnotes Add