COMPLETE TITLE: Observations on the Florid Song, or, Sentiments on the Ancient and Modern Singers. Written in Italian by Pier. Francesco Tosi on the Phil-Harmonic Academy at Bologna. Translated into English by Mr. Galliard. Useful for all Performers, Instrumental as well as Vocal. To which are added Explanatory Annotations, and Examples in Musick.

English translation of Opinioni de' cantori antichi e moderni, o sieno Osservazioni sopra il canto figurato (see).

LATER EDITIONS:
Second edition: London, Printed for J. Wilcox, 1743.
Online text: GOOGLE BOOKS - INTERNET ARCHIVE - Gutenberg (Transcription)

RECENT EDITIONS:
Reprints of the second edition:
- London, William Reeves, 1905, 1926 and 1967.
- New York-London, Johnson Reprint Corp, 1968. (Facsimile) (With a new preface by Paul Henry Lang). 
- Genève, Minkoff, 1978.

Reprint of the first edition: London, Stainer & Bell, c1987. (Edited with additional notes by Michael Pilkington).