Asks after Sir Joseph [Banks'] rules in regard to a Latin quotation, having disfavourably compared the [Christian Gottlob] Heyne's edition of Tibullus recommended to him with Broukhuyse. Wishes to borrow third volume of [Linnaeus'] "Amoenitates", requests seeds of 'Hesperis verna'. Has [René Antoine Ferchault de] Réaumur's [(1683-1757) French scientist] "Methode d'éclore des oeufs" ["Method of hatching eggs"]. Wishes to see [Carl Alexander] Clerck's [(1709-1765)] work on insects ["Svenska spindlar"]. Would like Smith's translation of Linnaeus on the sexes of plants and Smith's translation and notes of [Lazzaro] Spallanzani [(1729-1799) Italian biologist]. Asks Smith to look at aphorisms in Linneaus' manuscript notes he might have occasion to quote. Reminds Smith of talk of producing a new edition of "Philosophia botanica". Numbered extracts on plants, in Latin. States importance of natural history artists representing nature "justly", in reference to [George] Edwards' [(1694-1773) artist and ornithologist] "[Gleanings of] Natural History". Recommends using balloons to observe the nests and eggs of tropical birds considering Sir Issac Newton's observations on visually distorting effects of the atmosphere when using telescopes.