Aurora, the dawn goddess and her chariot, [2]

Avalanches, impulsiveness of; snap-shot at one in motion, [63]

Bad Lands, why so called, [114]

Bar Harbor, Nature's remarkable masonry in Castle Rock, [228]

Bald Mountains, how they got their crowns shaved off, [26], [28], [123]

Beavers, as lake makers, [192]

Bedding planes, defined, [217]

Bees, and Alpine flowers, [45];
why they hide from the cloud shadows, [56];
shape of honey cells and basaltic columns, [243]

Beetles, varieties in desert places, [180];
use of poison gas, [182]

Big Round Top Mountain, how it lost its peak, [248]