Seven Sisters, I, 101.

Sextant carried on sledge expedition, II, 124.

Sharks, II, 637.

Shellfish, I, 298.

Shoes used on sledge expedition, II, 116, 195.

Shooting competition, I, 517.

Shooting-stars, I, 297; II, 444.

Shrimps vomited by Arctic rose-gull, I, 472.

Siberia, sledge first used for Arctic explorations, I, 7.

Siberian drift-wood, I, 22; II, 666, 708.