Thanks CSB for drawings of [cirripede] larva and for permission to cite unpublished paper ["On the development of the cirripedes", Ann. & Mag. Nat. Hist. 2d ser. 8 (1851): 324–32]. Describes method of preserving specimens. Mentions Balanus common on tidal rocks at Tenby.

Suggests that JD consult with Edward Forbes about dredging.

Delighted he will look for fossil bones.

Asks him to look for Australian cirripedes.

Inquires about the nature of some money recently paid to him.

James Wilson reports case of salmon hybrids.

Herrings inhabit freshwater lake in Scotland during winter.

JDH will edit juror reports for the Great Exhibition.

Thanks CSB for cirripede larvae.

Has been unwell.

Cannot see transverse articulation referred to and does not believe in it.

Sends species synonyms.

Discussion of Chthamalinae.

Suggests using asphalt to seal specimen containers.

Comments on mouth of larva.

Discusses Roderick Impey Murchison’s paper on the Silurian in the south of Scotland.

No summary available.

No summary available.

Describes his Highland tour.

Discusses domestic affairs and gives some advice on manners.

Flora of New Zealand.

Reconsidering variability of insular species.

Becoming convinced of the probability that the southern flora is a fragmentary one – all that remains of a great southern continent.

His plans to marry.

Sends cirripede specimens for Ipswich Museum.

Asks how much a village fireworks display would cost.

Comments on the need in education for good habits of expression and accurate observation instead of making "wretched Latin verses".

Discusses the methods for adulteration of alcoholic drinks, including porter, ales and spirits. States that adulteration is far less harmful than the public imagine.