Thanks for Pulteney's letter of 4 [Dec 1791] and bill. Discusses arrival of remaining prints for first volume of Cavanilles' ["Icones et descriptiones plantarum quae aut sponte in Hispania crescunt"]. Gaertner dead, unclear if his 5 remaining "Centuriae" will be published. Laments death of Dr Pictairn, said that his collection will be sold.