2. The Mary Russell:

Second Edition. Post 8vo., cloth boards, 3s. 6d.

3. My Father:

Being Records of the adventurous Life of the late William Scoresby, Esq. of Whitby.

THE FRANKLIN EXPEDITION:

8vo. cloth boards, with two large Charts, 6s.

Remarks on Researches for North-west Passage: the Public Duty concerning our gallant Countrymen—Historical Sketch of the Plans and Outset of the Missing Expedition, and of Researches made for its Relief—Suggestion of a Plan for present Measures of Search—the Passage of the Middle Ice of Baffin Bay, with illustrative Incidents—on Aids to the furtherance of Research—with an Appendix.

MAGNETICAL INVESTIGATIONS:

8vo., with Plates. Part I., 5s.: Part II., 10s. 6d.

Comprising original Researches on,—the Magnetic Capabilities of various descriptions of Steel and Iron—the Ratios of Increase of Power by Combinations of Bars and Plates—the Effects of Hardness, Quality, Form, and Mass on the resulting Magnetic Power—the Determination of the Quality and Temper of Steel best adapted for Compasses, with original Modes of testing the Quality of Iron and Steel, and greatly improving Magnetical Instruments in general.