18 JUNE 1864, Page 24

Index Geographicus. (W. Blackwood and Sons.)—A handsome volume, intended chiefly

as an index to Mr. Keith Johnston's Royal Atlas. It is also in fact a gazetteer of unparalleled fulness. It must contain at least 63,000 names, of which it tells us the province and country in which they are situated, and their latitude and longitude, besides the reference to the Royal Atlas. What is the value of the test of the information in half the gazetteers?