Lumbering in the Sierra, 100.

Man influence on landscapes, 4.

Manzanita, 143.

Maple, 22, 130.

Mariposa tulip, 155.

Marmot, 17, 199.

Meadows, glacier, 37, 163; in sequoia woods, 296, 302.

Monardella, 282.

Moneses, 18.

Monument, the Glacier, 87.