Unfamiliar notation

[njmurphy]

Hello,

I have attached an image showing a bit of notation that has left me stumped.  For reference, this is measure 45 of J.S. Bach's Invention 3, from the Wiener Urtext Edition.  My Henle edition shows this as an appoggiatura.  I've never seen this c-like symbol, and as you might suspect it's futile to search for it using Google.  Any tips would be much appreciated!

Thanks,
Nick

[lloyd_cdb]

It's a weird combo of notation, not really sure why it's written like that. Just writing the "c" alone is an appoggiatura in Bach's original ornamentation notation. Adding the tie is just a weird combo of Italian and German.

EDIT:

Bach's ornamentation notation

[njmurphy]

Interesting!  Other appoggiaturas are notated differently, so I wonder if this is intended to be interpreted differently.  Regardless, thanks so much for the tip.

[lloyd_cdb]

Oh, and that page I linked actually discusses that exact measure.

[unimaster]

Looks like Bach was trying to show off his understanding of music, and just plain blew it. (Obviously that's an A, not a C. Duh, Bach.)