JDH’s "grand speech" on receiving the Royal Medal.
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JDH’s "grand speech" on receiving the Royal Medal.
Is Bentham’s list of aberrant genera biased by exclusion of genera with many species?
JDH’s belief that Aquilegia varieties are one species is consistent with their great interfertility.
Thanks for Lady Holland’s kind present. Will only lend it to his sister-in-law and his aunt.
Debates aberrant species, e.g., Ornithorhynchus and Echidna, with JDH. CD argues they are result of extinction having removed intermediate links to allied forms.
Studying effects of disuse in wings of tame and wild ducks.
Tabulations showing that number of species in a genus is not correlated with number of genera in an order.
Thanks for subscription to Down Coal and Clothing Club, whose finances are improving.
Discusses his account. Mentions health of children.