25 FEBRUARY 1865, Page 21

CURRENT LITERATURE.

A Treatise on the Construction of Maps. By William Hughes, F.R.G.S. Third edition. (Longman and Co.)—This excellent treatise has now been before the public twenty years, and its value is no longer in ques- tion. Some further additions have been made to this edition, including some recent suggestions of Sir John Herschel and Sir Henry James for improving the processes in use among mapma.kers. It has also been carefully revised.