Gives examples of animal species in which adult males castrate or kill younger males.

Wants WED to thank F. de Chaumont for some valuable observations.

On the Christian God; questioning of CD’s religious beliefs.

Regrets he has not time to develop points touched on in her letter and that he does not understand what information she wants.

Writes at length on importance of God and Catholicism, and the need to seek salvation.

Urges CD to repent and seek salvation through Christ.

A poem, "Burns to Darwin".

Wants to sell some shares held in trust by EAD and Josiah Wedgwood [III].

Sends two waste sheets of MS of Descent; Miss F can cut out any portion she likes.

Reports peculiar behaviour in a fantail pigeon, which persistently courted a ginger-beer bottle.

CD is "bent upon linking the monkey race to us"; DT finds it striking that CD should so resemble an ape.

An instance of long memory in a horse.

Thanks for a book. "I am so much overworked at present that I cannot read it now, & I am a very poor German scholar".

"With Mr. Charles Darwin’s compliments enclosing one guinea."

Thanks for references about dogs. Fears work will not allow him to deal with subject again. Heartily subscribes to what correspondent says about qualities of dogs. Loves his "with all my heart".

Fox hopes to see CD in London in November.

Does not know rules for admission to museum [of the Royal College of Surgeons]. CD’s son [Francis] wishes much to inspect some of the preparations.

Would be pleased if CD called.

Asks correspondent to thank Thomas Laycock for his references. CD has been away from home and has not yet consulted his copy of Laycock’s Mind and brain [1860].

Thanks her for marked proof-sheets.

Discusses climate in earlier geological periods.