Letter to Sir Andrew Crombie Ramsay from Sir Edward Frankland apologising for the delay in reporting on some rock specimens. He explains that this is due to the necessity to repeat some of the analysis and the death of Valentine.

Letter to Sir Andrew Crombie Ramsay from Sir John William Dawson asking him to propose his son George Mercer Dawson for membership of the Geological Society. He gives a brief summary of his son's geological career to date. He mentions that he is publishing a book and a paper on Eozon. He laments the death of Sir Charles Lyell and Sir William Logan's current illness.

Letter to Sir Andrew Crombie Ramsay from an unidentified correspondent thanking him for letters and articles that he has sent. He mentions the geological survey of Russia, and all the problems this entails. In many areas of Russia it is suspected the geological research will be in a similar vein as in Canada and the American prairies. He goes on to describe a further scientific project to examine the geology and geomorphology of the Aral Sea and Caspian Sea areas.

Letter to Sir Archibald Geikie from Alexander MacMillan concerning a strategy suggested by Sir Andrew Crombie Ramsay and Thomas Henry Huxley for smoothing over a disagreement with Joseph Beete Jukes and Emily M Yelverton concerning the proposed Memoir of Edward Forbes, FRS, ( 1861).

Letter to Sir Archibald Geikie from Alexander MacMillan asking for confirmation that he has received copies of Edward Forbes introductory lectures at King's College from John Van Voorst and urging him to liaise with Sir Andrew Crombie Ramsay and Joseph Beete Jukes concerning which of Edward Forbes' own drawing to include in his biography.

Letter to Sir Archibald Geikie from Alexander MacMillan concerning a delay with the printer Thomas Constable. He also tells him that he is trying to trace James Scott Bowerbank via Thomas Henry Huxley and that he encloses a letter to be forwarded from Charles Kingsley to Sir Andrew Crombie Ramsay.

Letter to Sir Archibald Geikie from Henry William Bristow telling Geikie that after 30 years service he has been promoted to Director of the Geological Survey of England and Wales, in the place of Sir Andrew Crombie Ramsay who has been promoted to Director in Chief. He reports that Henry Hyatt Howell will take his place as District Surveyor. He asks how sales are going of Joseph Beete Jukes' The Student's Manual of Geology, ( 1857) which Geikie edited.

Letter to Sir Archibald Geikie from Jessie Aitken Wilson concerning the ownership of letters which her late brother George Wilson had borrowed as background material for the 'Memoirs of Edward Forbes'. She suggests writing to the owners to let them know that she has transferred them to Sir Archibald Geikie, and writes a detailed action list. She discusses the health of Sir Andrew Crombie Ramsay and her dislike of Emily M Yelverton.

Letter to Sir Archibald Geikie from Sir Andrew Crombie Ramsay with editorial comments about the inclusion of sensitive material concerning the School of Mines, the Museum of Economic Geology and the Geological Survey of Great Britain in his 'Memoirs of Edward Forbes'.

Letter to Sir Archibald Geikie from Sir Andrew Crombie Ramsay. (continuation of Coll-74/11/3/49) reporting that he has written a title page and introduction [to his memoir of Edinburgh], and sent it to press.