Thanks for letter and "Linnean Transactions" vol 1. He has been working on 'Hyale' and 'Palaeno' and has distinguished the two "saffron butterflies", convinced the first is Linnaeus' 'Electra', gives character.
Notes and corrections on "Linnean Transactions", including [William] Markwick's paper [see RelatedMaterial below]. Death of Professor Lehnberg of Stockholm. Hopeful that reports of Dr [Anders] Sparrman's [(1748-1820)] death are groundless.