=Sutton and Kimbrough's Pupils' Series of Arithmetics.= Primary Book. Embraces the four fundamental operations in all their simple relations. 80 pages. Cloth. 25 cts. Intermediate Book. Embraces practical work through percentage and simple interest. 145 pages. Cloth. 30 cts. Lower Book. Primary and Intermediate Books bound together. Cloth. 45 cts. Higher Book. A compact volume for efficient work which makes clear all necessary theory. 275 pages. Half leather. 75 cts. =Safford's Mathematical Teaching.= Presents the best methods of teaching, from primary arithmetic to the calculus. Paper. 25 cts. =Badlam's Aids to Number.= _For Teachers. First Series._ Consists of 25 cards for sight-work with objects from one to ten. 40 cts. =Badlam's Aids to Number.= _For Pupils. First Series._ Supplements the above with material for slate work. Leatherette. 30 cts. =Badlam's Aids to Number.= _For Teachers. Second Series._ Teachers' sight-work with objects above ten. 40 cts. =Badlam's Aids to Number.= _For Pupils. Second Series._ Supplements above with material for slate work from 10 to 20. Leatherette. 30 cts. =Badlam's Number Chart.= 11 × 14 inches. Designed to aid in teaching the four fundamental rules in lowest primary grades. 5 cts. each; per hundred $4.00. =Sloane's Practical Lessons in Fractions.= For elementary grades. Boards 30 cts. Set of six fraction cards for children to cut. 12 cts. =White's Two Years with Numbers.= Number Lessons for second and third year pupils. 40 cts. =White's Junior Arithmetic.= For fourth and fifth year pupils. Cloth. 50 cts. =White's Senior Arithmetic.= _In press._ _For advanced work see our list of books in Mathematics._ D. C. HEATH & CO., PUBLISHERS, BOSTON. NEW YORK. CHICAGO. * * * * * _ENGLISH LANGUAGE._ =Hyde's Lessons in English, Book I.= For the lower grades. Contains exercises for reproduction, picture lessons, letter writing, uses of parts of speech, etc. 40 cts. =Hyde's Lessons in English, Book II.= For Grammar schools. Has enough technical grammar for correct use of language. Co cts. =Hyde's Lessons in English, Book II with Supplement.= Has, in addition to the above, 118 pages of technical grammar. 70 cts. Supplement bound alone, 35 cts. =Hyde's Practical English Grammar.= For advanced classes in grammar schools and for high schools. 60 cts. =Hyde's Lessons in English, Book II with Practical Grammar.= The Practical Grammar and Book II bound together. 80 cts. =Hyde's Derivation of Words.= 15 cts. =Penniman's Common Words Difficult to Spell.= Graded lists of common words often misspelled. Boards. 25 cts. =Penniman's Prose Dictation Exercises.= Short extracts from the best authors. Boards. 30 cts.