May Blossom Fizz

Harry of Ciro's ABC of Mixing Cocktails by Harry of Ciro's (1923, p.62) — Harry of Ciro's 1923

1. Shake well and strain into a small tumbler.
2. Fill the balance with soda.

This matters because it keeps Swedish punch alive in the sparkling long-drink field rather than only in compact aperitif cocktails.

The key point is the Swedish-punch base opened into a soda-finished fizz form.

Barflies and Cocktails by Harry McElhone and Wynn (1927, p.51) — Barflies 1927

1. Shake well, strain into a small tumbler, and fill the balance with soda.

This matters because it preserves Swedish punch in the fizz family rather than only in stirred aperitifs.