Letter, from Samuel Colepresse to Henry Oldenburg, dated at Underwood Autograph letter where Colepresse sends a box of minerals with instructions about how to examine them; concerning a paper with observations of tides at Plymouth and a paper about slate; gives an account of Mary Bastone who had two thumbs on her right hand Paper on tides printed in 'Philosophical Transactions', vol 3, no 33, pp 632-633 Paper on slate was printed in 'Philosophical Transactions', vol 4, no 50, pp 1009-1011 7 January 1668