Summary

Discusses his position at Cambridge, which is apparently under threat.

Summary

Reports the passing of [Universities Tests] Bill and the consequent end to a bother.

Summary

Discusses legal matters; CD’s will and setting up trusts for Henrietta Darwin’s forthcoming marriage.

Summary

Varying depth of top-soil in a ridge-and-furrow field with a depression.

Summary

Sends sentences from Hermann von Helmholtz about difference between minor and major chords.

Summary

Discusses the price of some heliotype prints [for Expression?].

Summary

Discusses his health following a visit to Dr C[lark?]. Has made an appointment for CD.

Summary

Corrects chemical concentrations CD has been using [in insectivorous plant experimentation].

Summary

Criticises CD’s letter to Nature ["Complemental males in certain cirripedes", Collected papers 2: 177–82].

On the elimination of useless parts.

GHD fails to see the point of CD’s use of the law of distribution about a mean.

Summary

Sends table showing relative force of impact of weight dropped on a plane inclined at different angles.

Summary

Sends CD a draft of a letter to Nature [see 9087], which he thinks expresses CD’s meaning.

Summary

Has decided to send the letter ["Variation of organs", Nature 8 (1873): 505].

Writes of his poor health and problems of settling in at Trinity.

Summary

On bodies of varying elasticity bouncing off inclined planes [see 9096].

Summary

Has finished the index [for Descent, 2d ed.].

Summary

Finds statistical evidence that cousin marriages are at least three times as frequent in "our rank" as in the lower.

Summary

Sends queries [on proofs of Descent, 2d ed.]. Will be finished, except for the index, in two days.

Is now less satisfied than formerly with his statistics on cousin marriage.

[Enclosure is a copy by GHD of J. S. Mill’s statement about Origin (Logic 2: 18 n.).]

Summary

Sends Descent material. Is staggered by CD’s power of marshalling facts and his conciseness and clearness of thought. The only fault he finds is some slight want of conciseness of diction.

He feels CD’s power more now "that I quail before the thought of arranging the few paltry facts I’ve got about those d––d cousins".

Summary

Intends to keep working on [Descent, 2d ed.] proofs despite his illness.

Summary

After taking advice he has decided to write an explicit denial and short account of his essay and send it to the Quarterly Review.

Summary

Regrets he cannot follow the line of denial CD suggests. Explains why he must defend himself against charge that he approves of oppressive laws.