This is a multi-variable version, not a controlled single-substitution comparison.
Compare the two printed formulas rather than the author's short description of the riff.
The Aurora headnote says St-Germain is the only change from Morning Glory Royale, but the printed recipes also change the liqueur quantity and double the sparkling-wine top-up.
PDF sheet 168
PDF sheet 165
Morning Glory Royale and Aurora
Fresh full supplied-copy audit 2026-10-02; exact native attachment hash matched; visible text and page image inspected. Interpretation bounded in literature note.
Evidence
The Aurora headnote says St-Germain is the only change from Morning Glory Royale, but the printed recipes also change the liqueur quantity and double the sparkling-wine top-up.
Source and locator
The Canon Cocktail Book, PDF sheets 165–168.
Context
Compare the two printed formulas rather than the author's short description of the riff.
Critical annotation
This is a multi-variable version, not a controlled single-substitution comparison.
Verification
Verified against the exact hash-matched supplied PDF during the independent 607-sheet audit on 2026-10-02.