Letter to Sir Andrew Crombie Ramsay from Ernest Favre who is sending him a copy of a geological work he has just completed on a range of mountains in the central area of Caucasus in Russia. He states that he has added many more routes/tracks to the original map designed by Frederic Dubois de Montpereux. His father, Alphonse Favre, has suggested that he approach Ramsay in the first instance to present the work to the Geological Society of London.

Letter to Sir Andrew Crombie Ramsay from Alphonse Favre enquiring whether it would be possible for the central public library at Geneva to continue receiving Geological Survey publications, an arrangement first brought into operation the previous December by Sir Henry de la Beche and Sir Roderick Impey Murchison.