Thanks for first 2 volumes of "Flora Britannica". Gave the seeds of British plants sent by Smith to Mr John McKay; Dr Rutherford pleased, has made many changes to the interior of the Botanic Garden. Notes on horned cattle. Account of [James] Playfair's [(1738-1819), Church of Scotland minister] findings from his study of honey bees, particularly regarding drones. Great changes in the Edinburgh Natural History Society this winter, which is now entirely experimental chemistry. Dr Waltner extremely ill. College classes well attended.