Minería, or School of Mines, 47.

Mirage, 30.

Mongolian Calendar, 241.

Monks, 205, 209, 213.

Morals of Servitude, 81, 293.

Mosaic work, 101, 110, 235.

Mosquitos, 5, 325.

Mules, Mexican, 175.

Museum of Mexico, 222-237.

Negress, white, 323.