Receives workload from H. D. Harness. Discusses the striking of the commemorative Waterloo Medal.

Will continue to write in Italian so JH can censor the translation of the letters when giving information to other officials at the Mint.

Received post from Mr Stevens — the safe arrival of his Rio Negro birds; regards to his cousins George Wilson and Percy Wilson, brother John, mother and sister Fanny. Has not been idle since arriving in Guia 3 months ago but unsuccessful in collecting specimens. Travels upriver with Indian hunters, living on farinha and salt; unable to find Gallos de Serra, insects, or other birds. Plans to enter Venezuela near source of Rio Negro, then up the River Vaupes or Isanna to make anthropological and geographical observations. ARW plans to publish illustrated volume on fishes of Brazil, illustrated volume on palms, and map of the "Physical History of the Great Amazon valley, comprising its Geography, Geology, distribution of Animals and Plants, Meteorology & the history & Languages of the Aboriginal tribes," including description of his collection of butterflies. Misses home.