Appleton's Physical 35 " First Book 15 " Elementary 20 " Higher 35 Barnes' Elementary 15 Barnes' Complete 25 Butler's Elementary 20 " Complete 35 Cornell's First Steps 10 " New Primary 15 Frye's Elementary 20 " Complete 40 Guyot's New Physical 50 Harper's Introductory 15 " School 35 Houston's New Physical 40 Longman's Geography 25 " Atlas 40 Maury's Elementary 15 " Manual 35 Monteith's First Lessons 10 " Introductory 15 " Manual 25 " New Physical 30 Rand & McNally's Primary 15 " " Larger 30 Redway's 30 Swinton's Primary 15 " Elementary 20 " Introductory 15 " Grammar School 30 " Complete 30 Tarr's Physical 40 Tarbell's Elementary 20 " Larger 40 Tilden's Grammar School 20 Warren's New Primary 15 " Brief 25 " Common School 30 " New Physical 50 CHEMISTRY, PHYSIOLOGY, AND PHYSICS