Criticises lecturing system in education and emphasis on classics. Has forgotten all his classical knowledge.

Asks JSH’s help in naming cirripedes, on which he is working. Believes he has made "some very curious points".

Expects a sixth child [Francis] in August.

Will forward recommendation of Edward Cresy to Edwin Chadwick, but thinks there will be no further need of engineers.

Encloses note from William Buckland [1190], stating that no appointment of surveyor is to be made. Thinks further recommendation would be unwise, but will write to Sir Henry De la Beche and [Robert?] Hutton if EC wishes.

Will speak to Richard Owen, Henry De la Beche, and Robert Hutton concerning appointment for EC.

Leaving for sea-side on Saturday.

CD makes progress with barnacles. Describes "supplemental" males in detail. In working out metamorphosis, their crustacean homologies followed automatically.

CD opposes appending first describer’s name to specific name.

Writes a detailed account of his treatment at J. M. Gully’s hydropathy establishment at Malvern.

CD’s health and his father’s death have delayed his answer. Describes J. M. Gully’s water-cure.

JDH’s Galapagos papers [Trans. Linn. Soc. Lond. 20 (1851): 163–233] have excellent discussion of geographical distribution, but why no general treatment of affinities?

CD’s views on clay-slate laminae.

Turmoil in Royal Society between naturalists and physicists.

Declines to canvass for Richard King.

Water-cure has benefited health.

Does not recommend that JDH publish extracts of his letters from India in the Athenæum.

CD criticises JDH’s observations on glacial deposits in Himalayas as insufficiently clear and detailed.

CD will live to finish barnacles and make a fool of himself over species.

Describes the Birmingham meeting [1849] of BAAS.

His health is poor. Continues with water-cure with considerable benefit.

CD thinks great dam across Yangma valley is a lateral glacial moraine.

Reports on Birmingham BAAS meeting.

Details of water-cure.

Barnacles becoming tedious; careful description shows slight differences constitute varieties, not species.

Lamination of gneiss.

Thanks JSH for information and suggestions on benefit clubs,

and for a shipment of fossil cirripedes.

J. B. Innes is greatly obliged for JSH’s letter. JSH’s observation of chalk flints strikes CD as "very curious".

Says Hooker does not want plant.

Reports events at Down.

The "atrocious doings" of "Old Price". Price’s dispute with Sir John Lubbock over a boundary fence.

On domestication of pigeons and hybrid geese.

Has seen lately a true ruminant with the two central metacarpals distinct. It was the foot of an Anoplotherium in a recent ruminant.

Recommends Ernst Dieffenbach for expedition to Guatemala.

Lateral teeth in Arcadae.

Replies to note from CL asking about views of glaciers.