EATON'S COMPLETE SERIES,

ADAPTED TO THE BEST MODE OF INSTRUCTION.

THE FULL SERIES COMPRISES

I. Eaton's Primary Arithmetic.

II. Eaton's Intellectual Arithmetic. III. Eaton's Commo School Arithmetic IV. Eaton's New Treatise on Arithmetic

THIS SERIES IS DISTINGUISHED BY

1. The thorough and scientific manner in which all the principles ar developed and illustrated.

2. The clearness, precision, and brevity of its rules and definitions. 3. The logical and satisfactory explanations.

4. The prominence of ANALYSIS throughout the series.

5. The practical character of each book.

6. The being based upon the inductive and analytical plan, which teache the pupil to think and REASON,

7. The mechanical style in which the books are manufactured.

THE PRIMARY ARITHMETIC

Follows the same general plan, improved which has made COLBURN FIRST LESSONS the leading system in mental arithmetic, for the lat quarter of a century. I is designed essentially to be a Primary Bool and to render the subject of numbers ATTRACTIVE and EASY f BEGINNERS.

THE INTELLECTUAL ARITHMETIC.

This is a new Mental Arithmetic, for advanced classes, on the abov plan. While it will retain the excellences of the system of WARRE COLBURN, it will contain the improvements in teaching developed sinc his time.

THE COMMON SCHOOL ARITHMETIC ́

Is a complete text-book on the subject of Written Arithmetic, designe for use in all COMMON and GRAMMAR SCHOOLS.

THE NEW TREATISE ON WRITTEN ARITHMETIC Is the most thorough and scientific treatise on this subject which has ev appeared. The accurate style of reasoning, and the philosophical arrang ment and development of topics, hes gamed for this book a large circul tion. It is designed for Grammar and High Schools, and Academies. These books have the unqualified recommendation of the most prom nent educators.

TAGGARD & THOMPSON, I

Publishers, 29 Cornhill, Bosto