Sends procedures for preparation of the report of the Magnetic Committee for the meeting of the B.A.A.S., which JH cannot attend due to illness; asks some questions about achromatic lens theory.

Thanks HL for the response to JH's queries [see JH's 1859-9-4].

Comments on WL's information on telescope construction, and adds some of JH's own experience.

Relates his experiences while visiting the Paris Observatory with G. B. Airy. Later travelled to Brussels to meet L. A. J. Quetelet. Is now preparing for a visit to Ireland and Mrs. Maclear will go to Bedfordshire. The meteorological observations [of the Cape] are to be printed in England under the direction of Robert FitzRoy.

Relates experiences while on a 10 day visit to Ireland. Now waiting for a train to Aberdeen. Professor [Philip?] Kelland injured in rail accident at Hitchin. Comments on the carelessness of railway workers. Agitation again at the Cape over the recall of Sir George Grey. Jack [TM's son?] has received orders for service, perhaps China.

Is a candidate for the position of Radcliffe Observer and would be pleased if JH would send a testimonial to the Radcliffe Trustees.

Thanks for JH's article on Physical Geography from the new edition of the Encyclopaedia Britannica. Comments on this and gives details of some of his own researches into the causes of ocean currents.

Acknowledges the proof sheets of the new edition of the Physical Geography of the Sea. Will read them with the attention they deserve. Does not at present agree with the theories of MM.

Sends a small fragment chipped from the second great bell. Comments on the metal of the bell and the causes of the cracks. Unable to attend the R.S.L. dinner tomorrow.

Thanks for the fragment of poor [Ben?]. Comments on this and the composition of the metal of bells.

The yellow substance turns out to be pentasulfide of arsenic, with a slight excess of sulfur; comments on its properties.

Thanks for the photographic notes and for the remarks on color blindness. The remarks on the composition of colors interested him as he has difficulty in distinguishing shades of brown and green.

Sending two volumes of his own Cosmos. Regrets he did not visit him in 1857.

Sending details of his idea for a new projection of the sphere. If printed will need the maps re-engraved.

Thanks for his memoir on the projection of the sphere; it will be read at their meeting after next Monday. Up to their necks in the Yang-ste-kiang.

Thanks for the memoir on his ingenious projection. Now sends a short theoretical view of Robert Stephenson on the astronomical reasons for fossil plants in the Arctic regions. Would like JH's comments.

Comments on Robert Stephenson's theory regarding the presence of fossil plants in Arctic regions and on possible astronomical causes of such fossilization; gives some of his own theories.

Sending the syllabus of the Government School of Mines, which should give JH all the information. Will be pleased to see him at the Museum if he has any further queries.

Thanks for fine basket of venison. Hopes that Lady Herschel is stronger after her visit to the North.

Sending a section of their new atlas of the world, which includes some new features. Would like JH's comments. Will send the complete work when published if JH would like to see it.