Famous New Orleans Drinks and How to Mix 'Em by Stanley Clisby Arthur (1938, p.26)

1 jiggerWhiskey — Whiskeybase
Soda water — Soda waterdilution
ice — Iceother
1 ponyred syrup — Syrupsweetener
  1. Pour the spirit and syrup into a highball glass.
  2. Add ice, top with soda water or seltzer, and serve.

Ice: Ice

Arthur ties the drink to Count Louis Philippe Joseph de Roffignac, mayor of New Orleans.