livre ii

. prop. xv., who gives different accordances.

[7] See Carl Engel, _Catalogue_ of the Exhibition of Ancient Musical Instruments (London, 1872), Nos. 289 and 290.

[8] See note above. Illustration in A.J. Hipkins, _Musical Instruments; Historic, Rare and Unique_ (Edinburgh, 1888).

[9] For a résumé of the question of the origin of this famous psalter, and an inquiry into its bearing on the history of musical instruments with illustrations and facsimile reproductions, see Kathleen Schlesinger, _The Instruments of the Orchestra_,