Letter from Captain Thomas John Newbold to Richard Clarke, Secretary of the Royal Asiatic Society, enclosing number 10 of his Summary of the Geology of South India and promising to send the final numbers 11 and 12 in the next two months. He proposes General Cullen as a candidate for the Royal Asiatic Society. He thanks Clarke for his work on Newbold's Papers. He writes of Walter Elliot's progress with the manuscripts of South India.

Letter from Captain Thomas John Newbold to Richard Clarke, Secretary of the Royal Asiatic Society, to submit number 7 of his Geological Summary of South India asking him to forward it to Colonel Sykes for his editing before it gets published. Newbold also sends portraits of the Nizam of Hyderabad and from Colebrooke Chandoo. He writes that he is busy and has little time to himself. Please note that part of this letter is over-written by Newbold - the writing being both horizontally and vertically on the page.

Letter from Captain Thomas John Newbold to Richard Clarke, Secretary of the Royal Asiatic Society, enclosing the final part (12) of the Summary of the Geology of South India. He continues with a discussion about rocks. He writes that he is also enclosing illustrations. He writes that he presumes that the manuscript sent to the Royal Society has been translated. Please note that part of this letter is over-written by Newbold - the writing being both horizontally and vertically on the page. Also the ink is faded adding to the difficulty in reading it. Photocopies of the letter are with it to aid in the reading,

Letter from Captain Thomas John Newbold to Richard Clarke, Secretary of the Royal Asiatic Society, to enclose some illustrations for his Geology of South India. He expects that he will send the twelfth part next month. This letter is difficult to read because of fading of its ink. Photocopies of its pages are with the letter to help aid reading.

Letter from Captain Thomas John Newbold to Richard Clarke, Secretary of the Royal Asiatic Society, enclosing an addendum to his Summary of the Geology of S India, with various other matters. He writes he is making a collection of fossils to send for examination to Mr Sowerby. He hopes Clarke has received his Bill of Exchange. He has also sent specimens of microscopic organic looking bodies to Carlo Sowerby. He notes that the East India Company have placed at Clarke's disposal papers connected with South India. Please note that part of this letter is over-written by Newbold - the writing being both horizontally and diagonally on the page.