fifteen minutes before seven
You will come out of the last alley -- the one where the slave girls are -- upon the edge of the Mexican quarter , and by going straight forward a block or two and by keeping a sharp lookout to right and left you will hit upon it . It is always to be searched for . Always to be discovered . On that particular Monday evening Blix and Condy arrived at Luna 's some fifteen minutes before seven . Condy had lost himself and all sense of direction in the strange streets of the quarter , and they were on the very brink of despair when Blix discovered the sign upon an opposite corner . As Condy had foretold , they had the place to themselves . They went into the back room with its one mirror , six tables , and astonishing curtains of Nottingham lace ; and the waiter , whose name was Richard or Riccardo , according to taste , began to officiate at the solemn rites of the `` supper Mexican . ''