Summary

Will see what can be done about getting thumb impressions, to see if the markings are persistent.

Summary

Thanks for mentioning CarlVogt, to whom he will write.

Comments on Dr Erasmus Darwin’s interest in mental imagery.

Summary

Reports observations of worms for CD’s use.

Summary

Thanks CD for Earthworms and comments on it.

Summary

Thanks CD for an article [unspecified].

Summary

Congratulates CD on Origin; has been "initiated into an entirely new province of knowledge".

Notes error involving rhinoceros.

Encloses other notes.

Summary

On colours and breeding of rabbits.

Summary

Asks CD’s advice on procuring rabbits for experiments [to test Pangenesis by transfusing alien blood into does and breeding from them].

Summary

Greatly pleased by approbation from CD, whom he admires and whose Origin did much for him.

Summary

Interim report on the experiments with rabbits [to test Pangenesis].

Summary

Experiments are not going well, but the quantity of blood transfused was small.

Summary

Variety in rabbits less than he hoped for; will try a new mode of transfusion.

Summary

Better news about the rabbits.

Summary

The mark he had thought a variation is not, and he thinks his infusion still too small even when the blood is defibrinised.

Summary

Rabbits still running true; hopes to increase alien blood to 30%.

Summary

Good news: one little rabbit has a white forefoot.

Summary

Thanks CD for his help and encouragement in his series of experiments [to test Pangenesis].

Summary

Two, perhaps all three, doe [rabbits] are sterile after the transfusions; will try another method.

Summary

[William Rathbone] Greg is author [of "Failure of ""natural selection"" in the case of man", Fraser’s Magazine 78 (1868): 353–62].

Comments on findings in J. M. Duncan [Fecundity, fertility, sterility and allied topics (1866)].

Saw A. D. Bartlett about monkeys.

Summary

Definite results have been delayed, but he is optimistic.