The programme for the promenade concert at Mechanics Hall, tonight, will be as follows: 1.  March, "The Century,"  Hunter. 2.  Overture, "Elizabeth,"  Rossini. 3.  Waltz, "Wo die Citronen bluhen,"  Strauss. 4.  Selection, "Mikado,"  Sullivan. 5.  Overture, "Oberon,"  Weber. 6.  Prelude to "Le Deluge,"  Saint Saens. 7.  {a. La Premiere Danseuse, b. Ensemble Mazourka,}  Hosmer 8.  Selection, "Carmen,"  Bizet. 9.  Overture, "Pique Dame,"  Suppe. 10.  Narcissus,  Nevin. 11.  Waltz, "Die Schonbrunnen,"  Lanner. 12.  Whistling Rufus,  Mills.