Summary

[With the notation "If not there to be forwarded by favour of Prof. Liebig" on the address.] "I am very glad to hear that you are going to edit a German Geological Journal".

Summary

Asks JDH to forward publishing information to J. E. Gray.

Has received JDH’s infusorial specimens for Ehrenberg.

Summary

Writes to correct a statement made in his 1837 paper "On the formation of mould" [Collected papers 1: 49–53]. He should have said that marl was put on the field 30 years ago, not 80. Observations made on a visit to the field showed that worms had undermined the marl spread on the field at a faster rate than previously reported.

Summary

Thanks for JDH’s interesting details about the Galapagos.

Clarification of CD’s query about the relationship between the range of a genus and the ranges of its constituent species.

Summary

Thanks for information on printing charges

and for clarifying "typical forms".

In a few days CD will go away for six weeks.

Summary

Sends samples likely to contain Infusoria and some that Hooker collected in Antarctic regions.

Summary

Thanks WBC for offer to examine specimen and for offer of slices of shells, but has no achromatic microscope.

Summary

Asks if J. E. Gray has returned [printing] estimates for Zoology.

Henslow has some Galapagos plants which he forgot to forward to JDH.

Summary

Sends HD a reference to human lice from Charles White 1799.

Summary

Discusses intestinal worms among humans.

Comments on origin of human races.

Summary

Sends a quotation from de Vallemont’s Curiosities of nature and art in husbandry and gardening (1707) showing that the value of saltpetre in manure and the advantage of steeping seeds in specially prepared liquid manure were well known at the time.

Summary

About the researches of Ehrenberg. "I have … sent him several packets of objects from my voyage & that of Dr. Hooker".

Summary

Encloses letter from Ehrenberg [758] about Infusoria.

Intends to visit Kew.

Summary

Astonished that dust sample contains Infusoria. Thinks dust is volcanic. Will write account of falling dust [see 775]. Offers further samples.

Summary

Health and weather permitting, CD proposes to visit Kew.

Summary

Sends four packets of lice and suggests writing to Dr A. Smith, "the S. African traveller", for assistance.

Summary

Encloses letter from Ehrenberg [762], who wants information on deep-sea soundings from JDH’s voyage, and on isolated islands.

Summary

Sends a specimen of rusty wheat from the banks of the Plata.

Asks for bits of peat he collected

and a bit of the paint used by Fuegians to colour themselves.

He will send these to C. G. Ehrenberg for analysis.

Summary

Urgently needs a Spanish map of the Cordilleras of central Chile near St Jago [Santiago].

Summary

Acknowledges receipt of the order for £48 4s. 8d., and offers full indemnity for the £5,000 deposited without security.