Africa, grouping of existing populations of, [431]

Afridis, [420]

Ainus, [44], [59], [68], [85], [110], [291], [365], [371]–[373]

Akkas, [454]

Alakalufs, [576]

Albinism, [51]

Aleuts, [521]

Alfurus, [136], [491]

Algonquians, [526], [527]

Alimentation.—Geophagy, anthropophagy—preparation of foods—method of fire-making and cooking, pottery, stimulants and narcotics, [144]–[160]