PROF. MITOHEKS 



Astronomical Works. 



PLANETARY AND STELLAR WORLDS. 



One vol. 12mo. Price $1.75. 



POPULAR ASTRONOMY. 



One vol. 12mo. Price, $1.75. 



ASTRONOMY OF THE BIBLE. 



One vol. 12mo. Price $1.75. 



Tliese volumes should be in all the homes of our land, as there is 

 no study which takes man so near hia Creator as that of Astrono- 

 my. No study so enlarges, expands and invigorates the mind.— 

 James A, Briggs. 



He throws into living words what others can explain only by 

 mathematical problems, orreries and diagrams ; and while his style 

 kindles with the glow of his subject it is as clear and brilliant as 

 the brightest starlight. — iV. Y. Independent. 



Professor Mitchel is the poet of science. He invests it with all the 

 interest of romance. — Uiiea Herald. 



MASON, BAKEB S Fit ATT, Fublishers, 



NEW YOBK, 



