Repeats request for information on colours of plumage of poultry breeds and asks for WBT’s facts on proportions of sexes.
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Repeats request for information on colours of plumage of poultry breeds and asks for WBT’s facts on proportions of sexes.
Thanks JVC for his information (from two correspondents) on the rate of growth of merino rams’ horns.
CD has been revising Origin [5th ed.]. Has found a good deal to alter.
Believes that species or genus may have originated more than once from separate ancestors, i.e., polyphyletically.
Discusses relation of CD’s theory to religion. Has written popular account of CD’s theory in Dutch [Darwin en de Godsdienst (1869)].
No summary available.
Has today sent by book post the manuscript of Mrs. Mary Somerville's autobiography, which JH is to report on. Understands that Mrs. Somerville is amenable to good advice.