Sends expanded answers [to Queries about expression], in view of CD’s statement that his first list had not been sufficiently explanatory. Is pleased that some answers confirmed CD’s views [see Expression, passim].

Asks for precise reference in Charles Bell to subject of CD’s question. Agrees to assist CD’s investigation. Asks about Bell’s observations on eyes engorged with blood. Has noticed that eyes of children with excessive photophobia tend to be pale when forced open.

Has circulated CD’s Queries about expression and gives some of his observations of the natives.

Finds important differences between English and German versions of Variation on graft-hybrids.

Experiments and observations on submerged flowers.

On the changes in plumage of scarlet ibis at the zoo in breeding season.

Discusses apes and their relationships to each other. Writes particularly of the gibbon, its structure and well-developed legs giving it the ability to walk without using its hands.

Thanks for Variation.

CD must be happy about the tendency toward acceptance of his views, though it is regrettable that France is backward in this regard.

His own work goes slowly, but he still hopes his work on artificially produced monstrosities will help to answer the question of the origin of species.

Discusses how they might enquire about any provisions in the laws of partnership concerning lunacy.

Otto Staudinger’s catalogue shows prices of female Lepidoptera to be higher than those of males.

Thanks CD for sending him copy of Variation.

Describes results of his brother’s [August Müller] experiments on effect of climate on maize.

Like ancestors of horses, young tapir is also striped.

MTM did not write Gardeners’ Chronicle review of Variation [(1868): 184].

Encloses letters supporting a project [Botanical Congress?] to promote horticulture, and hopes CD will reconsider giving his support.

Discusses the human foot and its abnormalities; notes an example of syndactylism.

Gives his observations on sexual differences in coloration of terns and ostriches.

Langstaff has seen no trace of blushing on the body.

George Rolleston’s son was born with a scar on his knee exactly where GR cut himself with a knife years before his marriage. Gives several other examples of inherited mutilation.

Sends Salmon Fisheries Report. Asks for CD’s opinion on his "close season" chapter.

Has asked gentlemen who administer chloroform to make observations [on expression?] for CD.

Gives details of some points that occurred to him while reading Variation, including observations on horses, cattle, silkworms, and hereditary baldness and disease.

Langstaff has never seen the platysma act, and he believes it to be rudimentary in humans.

On dentition of moles. On double teeth [see Variation 2: 391].

Difference in size of male and female Crustacea.

Describes the action of facial muscles at the onset of crying as observed by Langstaff.