Information on proportion of sexes born in sheep.
Information on proportion of sexes born in sheep.
Observations on lateral spots on coats of two specimens of deer. PS on habits of wild and domestic turkeys.
Note identifying insects and remarking on stridulation.
Lists stridulating organs of various Coleoptera.
Wants seeds of Passiflora gracilis.
No summary available.
No summary available.
R. I. Murchison has forwarded JH's letter about the noises at Nakkus in Sinai. Has heard the noises several times and thinks they are caused by the movement of sand. There is much static electricity in sand.
Details about sunspot observations.
Much obliged for his kind notes on sunspots; there has been a wonderful variety lately. Will make a study of the Julian dates. Can see the Crystal Palace fireworks splendidly from his house.
A note to accompany JH's biographical sketch of William Dawes.
Is preparing a sketch of Sir John Lubbock for a weekly, and would be glad of JH's opinion regarding Lubbock as a man of science and his advanced political views.
Answer has been delayed as SL's letter was directed to MacMillans. Can be no two opinions on the contribution to scientific knowledge of Sir John Lubbock. Has full confidence in his political opinions.
Comments on the quality of some of the double star observations in print.
Congratulations on success in observing solar spectrum and corona. JH's views on sun's corona [with diagram]. Agrees that communications in India are abominable.
Subscriptions for Sinai survey fund are nearly complete. Survey party will embark for Alexandria aboard Ripon on 24 Oct. Will send account books to JH and R. I. Murchison. Will not need JH's astronomical instrument.
Gratitude for JH's generous testimonial on RM's behalf.
Discusses Lord [Henry ] Brougham and his optical papers. Thanks ES for kind remarks regarding JH's son [John?]. Discusses polarization of corona.
Reviews additional work of H. P. Brougham [see JH's 1868-10-1] as has been requested in preparation for an eloge . JH is critical of poorly described and poorly understood work, unrelentingly tied to Isaac Newton's corpuscular ideas.
Discusses [William] Sharpey's view of JH's opinion of [Henry] Brougham's optical writings. Asks for JH's advice on presenting meteorological observations. On observations of an eclipse.