He composed the following operas: Sardanapale (1867), Le Dernier jour de Pompei (1869), Dimitri (1876), La Reine Berthe (1878), Le Chevalier Jean (1885), Lancelot (1900).
Ix.; Berthe Vadier, Un Moraliste du X VI me siecle: Jean-Louis Vives et son livre de l'education de la femme chretienne (Geneva, 1892); G.
C. Berthe (St Louis, 1906).
The foreign settlement is on the north of the oasis; it consists of a broad main street, the rue Berthe (from which a few side streets branch at right angles), lined with European houses, the whole in the style of a typical French winter resort, a beautiful public garden, with the church in the centre, an arcade, a pretentious mairie in pseudo-Moorish style with entrance guarded by terra-cotta lions, some good shops, a number of excellent hotels and cafes, a casino, clubs, and, near by, a street of dancing and singing girls of the tribe of Walad-Nail.