Letters from Jeffreys, John Gwyn to Charles Lyell, 17 June 1860 - 22 February 1870

Lyell summarises the letters as:
1) Gwyn Jeffreys Oct 14 1861 Scrobicularia Piperata, climate of
2) Gwyn Jeffreys - Feb 22/70 Returning Cobboldia [?] which he makes same species
3) Gwyn Jeffreys Pagham and Selsea Elephas antiquar bed June 17 1860
4) Copy of letter from Gwyn Jeffreys to Mr Jamieson. Fort William arctic shelf 1862
5) Gwyn Jeffreys Shells mentioned in ""Antiquity of Man"" March 10 1863
6) [?] of species in Japan more than 12 Jeffreys knew of 3 only 114 species in which Jeffreys differs from Searle Wood, Neville Reid
7) Gwyn Jeffrey Crag Mollusca March 26 1863
8) Gwyn Jeffreys 1. startes and other Cor. Crag shells identified with arctic species. 2. Corrigenda from 23 7 “Antiquity”
9) Gwyn Jeffreys, Names of Trystram's sahara shells August 1863
10) Gwyn Jeffreys, Shells of Gardiner Maine, Sep 1866
11) J Gwyn Jeffreys, specific identity of Nuculae Lyalli & [?] Cobboldia
12) J. Gwyn Jeffreys, Northern & Southern British Land-Shells, Oct 25/67. Recent European landshells from Madeira
13) Jeffreys Gwyn, Oct 20/68, Reply to C. Lyell on extent of glacial shells in S Europe & on Gulf Stream
14) Gwyn Jeffreys 5 Nov 1869, N. Cobboldia, Deep Atlantic sand would never make chalk
15) Gwyn Jeffreys, shells added to Moel Tryfaen list by G. Maw Oct 1864