It was good of JH to reply so fully to his letter. Now has a better understanding of the subject than before. Read a paper on the geology of the Lake District at the local Philosophical Society. Comments on his own theories of rock foundations.

Wife not well enough to visit Collingwood. ES may come next week. University of Kasan Observatory may assist British endeavors. Mr. Bolyani is very capable.

Regarding an observer for the forthcoming eclipse.

Has written a book on elementary harmony and would like to send it to JH for his views on its worth.

Believes it may suit JH to be HM's guest at Westwood during the meeting of the B.A.A.S. at Leeds. Hopes this is possible.

Sees that JH is entitled to have his name on the register of voters. Would he fill up the form and return it; then his name will be entered on the new Register.

Has he read John Tyndall's paper on the plasticity of ice and the theory of glaciers? Indebted to Michael Faraday for some excellent observations and the term 'Regulation.'

Generally approves of Edward Sabine's plan concerning magnetic observatories.

Received JH's letter of 17 July. Sent woodcut to W. S. Smyth as requested.

Confer with William Whewell on magnetic observations, then notify GP. Health is improving. Cambridge residents are angry over proposed changes but ignore similar changes at Oxford.

Forwards latest computations of lunar diurnal variation in horizontal force of terrestrial magnetism at Cape of Good Hope. Describes method used by Archibald Smith to distinguish lunar from terrestrial magnetism.

Heard from Louisa [JH's daughter] that JH was interested to hear about the [Leeds] Literary and Philosophical Society. Gives details and recent lectures. Would be pleased for JH to give a lecture.