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ELEMENTARY ARITHMETIC. 16mo, Half Sheep, 40 cents. 



A TREATISE ON ARITHMETIC. 12mo, Sheep, $1 25. 



ELEMENTS OF ALGEBRA. 12mo, Sheep, $1 25. 



A TREATISE ON ALGEBRA. New and Revised Edition. 12mo, Sheep, $1 50. 



A KEY, for Use of Teachers. 1 2mo, Sheep, $1 50. 

 ELEMENTS OF GEOMETRY, REVISED. Geometry, Conic Sections, and Plane Trigonometry. In One Volume. 



12mo, Sheep, $1 50. 

 TRIGONOMETRY AND TABLES. 8vo, Sheep, $2 00. 



The Trigonometry and Tables, bound separately, $1 50 each. 



ELEMENTS OF ANALYTICAL GEOMETRY. New Edition. 12mo, Sheep, $1 50. 

 ELEMENTS OF THE DIFFERENTIAL AND INTEGRAL CALCULUS. New Edition. 12mo, Sheep, $1 50. 



The Analytical Geometry and Calculus in One Volume. 12mo, Sheep, $2 50. 

 ELEMENTS OF NATURAL PHILOSOPHY. 12mo, Sheep, $1 50. 

 ELEMENTS OF ASTRONOMY. 12mo, Sheep, $1 50. 

 PRACTICAL ASTRONOMY. An Introduction to Practical Astronomy, with a Collection of Astronomical Tables. 



Svo, Sheep, $2 00. 



RECENT PROGRESS OF ASTRONOMY, especially in the United States. Illustrations. 12mo, Cloth, $1 50. 

 A TREATISE ON ASTRONOMY. Svo, Sheep, $2 00. 

 A TREATISE ON METEOROLOGY. With a Collection of Meteorological Tables. Svo, Sheep, $2 CO. 



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