Mayon Volcano, [81].

Mediums of trade, [150].

Memorials, [200], [201].

Mindanao Island, [105].

Mindoro Province, [96];
mineral deposits, [97].

Minerals, [115], [132].

Mineral baths at Marilao, [83].

Minor forest products, [132].

Misrepresentation about Philippines, [21].

Missions to the United States, [197];
first mission, [198];
second mission, [200].