Alaska, plants and animals of, 7-11.
Alpenglow, 74.
Apple, wild, 22, 23.
Aspen, 131
Aster, 164
Avalanches, snow, 27, 251-255; rock, 140, 259.
Azalea, 146, 181, 303.
Axe clearings, 101.
Bear-hunters, 353; Duncan, 179; David Brown and his dog Sandy, 181.
Bears, 28, 52, 57, 144, 314; food of Sierra, 172; interviews with 174, 177; tracks, 178; and sheep, 185.