Thanks THH for the delightful evening he gave Frank [Darwin].

Regrets he does not have pedigree of CL’s "pretty pony", but assures him information was very useful, "more especially as it confirms what I heard from Norway & did not know whether fully to believe".

CD asks if he can call tomorrow (Friday) at 9: 30, and offers to come on Saturday if that would suit CL better.

Thanks for facts on inheritance. May be used if CD corrects 3d ed. [2d ed.] of Variation.

CD has signed the enclosed with great pleasure.

AJ, a collector, would like a few lines from CD and an autographed photograph.

Observations on a bird that used a stone to break open a snail.

Reports of a tooth found in the testicle of a horse.

Hares are very fleet in countries in which greyhound coursing is developed, slow in those in which no greyhounds are kept.

Gives CD an instance of facts that can be read either way as to whether a plant (Veronica humifusa) is a species or a variety.

Jessie [Wedgwood] says driving in sun made one of her eyes water.

Last page of a letter with a five-line P.S. concerning pen-holders.

Discusses exchange of photographs with Édouard Claparède, "for whom I feel the highest respect".

"When a man has laboured hard in science & has proved that he is capable of original research, he may [some]times indulge in speculation [&] the public will indulge him. But even in this case it is a common error to speculate too largely, for speculation is far easier than observation or experiments . . ."

CD’s plans have changed. He will be in London the following week and therefore able to call on correspondent.

Requests priced samples of paper for mounting dried plants.

Sends his thanks for a kind letter; he has copied out the last sentence of the Origin.

Is "almost certain" plant is Menispermum canadense.

CD’s health remains bad and as he grows older he becomes weaker.

Did not think anyone would notice case of Lathyrus.

Recalls reading correspondent’s paper on great fir woods of Hampshire.

Thanks for photograph.

Gives permission to insert in his magazine anything from CD’s works.