Sad to hear of JH's suffering and retirement from Mint. Describes production rates, problems, equipment, personnel, and quality of gold at Sydney mint. Starting an observatory. G. B. Airy promises to send astronomer. New South Wales legislature is not friendly to scientific research. Describes Australian society.

Notes on the comparative rarity of intermediate forms between species, and the varying relationships those forms may have to one or both species between which they are intermediate.