Polar seas, a fruitful field for scientific investigation, [137]; Nansen's study of a scientific theory, [140-1].

Pole, North, progress in scientific knowledge creates desire to reach, [137-8].

Rae, Dr John, and the search for the Franklin expedition, [121], [127-9].

Richardson, Sir John, with Franklin, [95], [97], [100], [101], [102], [109-10]; shoots murderer of Lieutenant Hood, [103]; finds Franklin in a parlous state, [103-7]; in search for the Franklin expedition, [120-1].

Ross, Sir James, and the North-West Passage, [111]; in search for the Franklin expedition, [121].

Ross, Sir John, [111], [118], [121].

Simpson, Thomas, and the North-West Passage, [111].

Whale Island, why so named, [86].

Wholdaia Lake, description of, [54-5].

York Factory, Franklin at, [95].