Feels in better health than for the last 12 months. Received letter from [Olof] Swartz informing him that [Erik] Acharius is complaining over lack of acknowledgement of the lichens he sent. Intends to forward book on Swedish botany received for Linnean Society once he has looked over it. Wrote to Colonel [John] McMahon [(c 1754-1817), Private Secretary to the Sovereign 1811-1817] as Macleay suggested.