This small green notebook contains copy letters to and from Charles Lyell in 1860 and 1861. Letters are written in pencil and ink. The second half of the notebook is blank. Correspondents include Charles Darwin, F. F. Jamieson of Ellon, Dr Hooker, . There are also notes on Darwin attributed to Asa Gray and notes on observations made with Professor Ramsay, and one or two illustrations.

p. 3-11, Copy of letter to C[harles] Darwin, 25 Sept[ember] 1860
p. 12, To C[harles] Darwin 27th September 1860
p. 13-19, To C[harles] Darwin 30th September 1860
p. 19, Letter from Toillieg of Mons to C[harles] Lyell 28 Sept[ember] 1860
p. 21, Notes Oct[ober] 5 1860
p. 24, Cwm drifts; WM Huxley; Asa Grey on Darwin
p. 25, Miocene Hippopotomus
p. 26, Staring Haarten Oct[ober] 14 1860
p. 30, Copies of letter from Mr. Smith of Jordan Hill [sic Jordanhill] Nov[ember] 13
p. 40-48, Nov[ember] 24 1860 [Letter to Charles Darwin to Charles Lyell]
p. 49, Letter to Darwin 30 Nov[ember] 1860
p. 57, 17 Dec[ember] 1860 notes
p. 58-61, Notes; Letter Rev[erend] S.W. King Oct[ober] 3 1860
p. 62, 11 July 1861 Notes on Geological periods
p. 63, 15 July 18651 Notes on Ammonites and Trilobites
p. 65, Jan[uary] 15 1861, Eocene, Cambrian
p. 66, March 1 1861, Development
p. 71, March 19, 1861 Brain of animals; Owen; Quadruman; Huxley
p. 72, Trias, March 19 1861
p. 74, Gratiolet, April 9 1861
p. 75-92, Letter from Mr. Jamieson of Ellon to Ch[arles] Darwin 3 September 1861
p. 92-94, Letter C[harles] Lyell to T[homas] F[rancis] Jamieson of Ellon September 14 1861
p. 94-106, Letter from C[harles] Lyell to Dr. Hooker 22 Sept[ember] 1861
p. 106, Lartet; Extract of letter from C[harles] Lyell to Lartet 22nd Nov[ember] 1861
p. 115, Extract of letter from Mr. P [sic] to Sir HM Hooker Dec[ember] 10 1861
p. 124, Sketch of Barren Island
All other pages are blank