pedagogics.”--Supt. BALLIET, Springfield, Mass. 0.65 =Hall’s Methods of Teaching History.= “Its excellence and helpfulness ought to secure it many readers.”--_The Nation._ 1.50 =Seidel’s Industrial Education.= “It answers triumphantly all objections to the introduction of manual training to the public schools.”--CHARLES H. HAM, Chicago. 0.90 =Badlam’s Suggestive Lessons on Language and Reading.= “The book is all that it claims to be and more. It abounds in material that will be of service to the progressive teacher.”--Supt. DUTTON, New Haven. 1.50 =Redway’s Teachers’ Manual of Geography.= “Its hints to teachers are invaluable, while its chapters on ‘Modern Facts and Ancient Fancies’ will be a revelation to many.”--ALEX. E. FRYE, Author of “_The Child in Nature_.” 0.65 =Nichols’ Topics in Geography.= “Contains excellent hints and suggestions of incalculable aid to school teachers.”--_Oakland (Cal.) Tribune._ 0.65 D. C. HEATH & CO., Publishers, BOSTON, NEW YORK AND CHICAGO. [Illustration] * * * * * Transcriber’s note In this version of the text, the STRATA column of the frontispiece is an illustration of what the layers of the strata looked like during that time. Minor punctuation errors have been changed without notice. Spelling has been retained as published. Also, the minor errors on the ad pages have been retained. Inconsistencies in hyphenation have been standardized. In Footnote 21 the text: “No. 3, pp. 40-24.” was corrected to “No. 3, pp. 40-42.” The following printer errors have been changed. =CHANGED FROM TO= Page 42: “constellation of Cassiopea” “constellation of Cassiopeia” Page 182: “agreeeable for food” “agreeable for food” Page 323: “somwhat limited and” “somewhat limited and” Page 346: “where-ever it chooses;” “wherever it chooses;”