LD is supplying coloured-glass light filters for CD’s experiments.
LD is supplying coloured-glass light filters for CD’s experiments.
LD’s chemical analysis of lamp-black.
Has been testing lamp-black for ammonia.
Encloses two photos [missing].
Has been trying unsuccessfully to weigh something for CD.
Suggests revisions in proofs of Erasmus Darwin.
[Letter wrongly dated Nov by LD.]
Suggests an errata slip for preface to Erasmus Darwin would correct the inaccurate statement regarding publication of Butler’s Evolution old and new.
Will be home on Saturday.
Recommends a photographer to CD for Expression.
Data relating to experiments; shrinkage of earth on drying.
Statistics showing rate of decline of population in Sandwich Islands, 1832–72.
LD has misplaced some figures on which he was to work.
Asks for proportion of water and of nitrogen in various ammonium salts.
[WWA’s replies are with the letter.]
Describes voyage to New Zealand.
No summary available.
No summary available.
Report on three rare beetles they have recently taken in Down parish.
Send CD a present of a fur coat.