Criticises chapter on good effect of crossing in Variation: (1) does not accept that inbreeding alone results in degeneracy; (2) good effects of crossing exaggerated; (3) denies deleterious effects of close marriage in humans.
Criticises chapter on good effect of crossing in Variation: (1) does not accept that inbreeding alone results in degeneracy; (2) good effects of crossing exaggerated; (3) denies deleterious effects of close marriage in humans.
Sends specimens of Passiflora and seeds for T. H. Farrer [letter enclosed with 7188].
Advice and guidance on the path he is to pursue when he goes to university.
Sends CD some notes on the habits of the "American Blight Bird" in New Zealand.
No summary available.
No summary available.
Notes the differences in haemoglobin between species; this proves, to WP, that natural selection does not act only on morphological development.
Remarks on the differences and similarities in the effects of prussic acid on different groups of animals.
Questions CD on his early education and influences.
No summary available.
No summary available.
Ask whether CD would like to subscribe again to National Education League. Describes the League’s goals.
No summary available.
Encloses his letter to GJ [6885], which was returned.
Comments on effects of prussic acid on different individuals of the same species and other physiological research by WP.
Provides information about his studies in Edinburgh and Cambridge and qualifications he had for Beagle voyage. Describes influence of R. E. Grant and J. S. Henslow.
Invites WDF to visit.
Describes activities of his children.
No summary available.
Thanks for his kindly advice. News of his own progress.
Moritz Wagner is going to attack selection theory in his new book on his travels in America [Naturwissenschaftliche Reisen im tropischen Amerika (1870)].
K. G. Semper may attack CD’s theory of coral islands.
No summary available.
No summary available.
No summary available.