Death of one of Smith's "most affectionate friends" [Smith annotation: "Mr J. Mackay", John Mackay (1772-1802), employed at Dickson nursery, Edinburgh]. Still waiting to hear from [James] Playfair [(1738-1819), Church of Scotland minister] to hear further on bees. Dr Waltner still unwell and his class dormant. Received Devon 'Fucus' specimens from Lady Ashburton, sends onto Smith.His health good.