Disappointed to not go to Norwich but was too busy during his visit to Cambridge to get away. Met [Edward Daniel] Clarke who travelled with [John Marten] Cripps [(1780-1853), traveller and antiquary] to the Crimea, met [Peter Simon] Pallas and purchased his herbarium and brought back a vast natural history collection, describes it in some detail including bust of Ceres. Has heard that the drawing of Mars and Venus omitted in the prints of the "Elogium Stultitiae" is now engraved in Veaux's French translation of "Elogium" printed at Basel in 1780 [French translation of Erasmus' "The Praise of Folly"]. The [Dublin] Botanic Garden now has 6000 plants.