Received Smith's letter regarding [John Mackay's (1772-1802), employed at Dickson nursery, Edinburgh] alleged plagiarism of [George] Don, gives his own opinion of the matter including analysis of Don's character. In reference to 'Stellaria cerastoides' and 'Thlaspi hirtum' believes it is due to miscommunications and assumptions, [Smith has annotated in the margin stating similar], and condemns Mackay's "silence". Agrees with Smith's plan to mention the claims of Don and others when discussing the plants in question and saying nothing of Mackay. Some observations of the 205 plant specimens in 141 genera Neill gathered in Sheltand and Orkney, including: 'Lichen calicaris' covering the standing stones of Stennes; 'Byssus aeruginosa' coating interior of St Magnus Cathedral, Kirkwall, Orkney; and the hardy oat 'Avena strigosa' which is cultivated instead of 'Avena sativa'. Also gathered shells of 'Trochus ziziphynus', 'Pecten pusio', 'Astrea maxima', 'Arca glycinieris', and 'Bulla ligniaria', Rothesholm Head (Rousom Head).