15 OCTOBER 1864, Page 21

C. Ramsay, F.R.S., Second Edition. (Edward Stanford.) —This oditlon has

been thoroughly revised and corrected—some parts have been enlarged—and a small map of Great Britain geologically coloured is prefixed. Those who desire to acquaint themselves with the physical structure of our island will find Mr. Ramsay a capital guide who saves them the trouble of thought as much as possible. As looal director of the Geological Survey he is peculiarly fitted for the task which ho has

hero undertaken,—to give "a kind of condensed explanation of the geological maps of Great Britain." Paper and type are unusually good. The Laws of Thought—Objective and Subjective. By Alexander Robertson. (Longman and Co.)—Under this title we have an attempt