Famous New Orleans Drinks and How to Mix 'Em by Stanley Clisby Arthur (1938, p.58)

1 ponydry gin — Dry ginbase
1 ponycreme de cacao — Crème de cacaomodifier
1 ponycream — Rich creamother
1 wholeegg white — Egg whiteother
  1. Put just enough shaved or finely pounded ice in the shaker, add the liquids and egg white, and shake vigorously.
  2. Strain into cocktail glasses and serve.