The widespread and increasing use of Tarr’s Elementary Physical Geography, due originally to the recent and general change in methods of teaching the subject, has received a renewed impetus during the present year from the enthusiastic commendations of the teachers in the public schools of Chicago, Brooklyn, Philadelphia, Kansas City, and many other important centers. ELEMENTARY GEOLOGY By R. S. TARR. 12mo, Half Leather, $1.40 _net_. This book, published in February, 1897, is now generally recognized as the most attractive and scientific presentation of the subject for high schools. Many important schools have already adopted it. THE MACMILLAN COMPANY 66 Fifth Avenue, New York