ETA - no luck on either, however I did find out that 'enthusiasm' had the same connotation then as 'fanaticism' does today.
Learning all zee time: http://youtu.be/cokngZwEwrw
My favorite is the Adventures Of an Ostrich Feather of Quality. First because I'm trying to figure out how you can tell and why it matters, then because I can picture Caroline Bingley owning it.
Learning all zee time: http://youtu.be/cokngZwEwrw