No summary available.
No summary available.
Thanks SW for a copy of the reviews of JH's Meteorology and Physical Geography. Comments on related matters such as importing English birds into Australia, observations made by Alexander von Humboldt, and catching specimens behind a sailing ship.
Thanks for MS's works, communicated through [Picot] Tremblay. Worries that JH has insufficient time and lags behind in the physical sciences. Comments on ideas put forward in 1824 by JH and discussed by MS. Has found MS's name connected with suspension bridge over Rhone River.
Thanks for and comments on paper and lectures on 'diathermancy &c' of gases, scientific teaching, and solar chemistry. Regrets that JT mentioned all names connected with light research except JH's. Remarks on absorption of light, molecular vibrations.
Sends a work on physical geography in return for a receipt of some lines of poetry.
Raised from his lethargy by the appearance of the comet; comments on the nature of the sun; can AD recommend a book on surveying for JH's son John.
Thanks WJ for his papers on clouds [see WJ's 1861-7-21]. JH had not seen these, but praises their contents.
Reports JH's observations of a comet [Comet II Tebbutt ?] first seen from England ca. 29 June 1861. Remarks that it 'far exceeded in brightness any comet I have before observed.'
More on lacunae in JH's set of MF's writings [see JH's 1838-10-3].
No summary available.