Letters from Pastor y Castro, Lorenzo to Charles Lyell, 20th April 1860

Has sent Lyell shells in 1855, and now sends more, collected on the N.E. side of Tenerife, a side Lyell visited. Includes a coloured map of the coast with references, two of which appear to be added by Lyell. Plus undated letter, where Pastor is 'at a loss to answer your question respecting our Pico de Teide being produced by a crater of elevation'. Other views and papers are referred to, inculding copy sections from Count Vargas-Bedemar, and Luis Hamilton. Also includes a list of volcanic eruptions, and a section near Santa Cruz of modern deposit with marine shells and fossil wood.