1846.] Elements of Drawing — Catechism of Jlgriciilture. 211 



that we hope to see the true ends and aims of life distinctly com- 

 prehended and as positively acted upon. And at such times as these 

 upon which we have fallen, do we need checks to certain evils 

 which are growing up in the literary and political worlds. 



ELEMENTS OF DRAWING AND MENSURATION AP- 

 PLIED TO THE MECHANICAL ARTS. 



A hook for the instruction and use of practical men. By Charles 

 Davies, LL.D. Author of First Lessons in Arithmetic, etc. 

 12mo. pp. 240. A. S. Barnes & Co., publishers: New York. 



A work of this kind was undoubtedly called for, in order that 

 the higher elementary studies which have been introduced into 

 our common schools might be pursued with advantage. In the 

 preparation of this work Mr. Davies has been highly successful, 

 as he always has been in simplifying the matters treated of in the 

 several parts of the work; thus, in the book on practical geome- 

 try, he illustrates in a very familiar and simple mode the con- 

 struction and uses of the various scales, and also of geometrical 

 figures. So in Book III., all the kinds of drawing are well illus- 

 trated and explained. 



The work is entirely practical, and particularly calculated to 

 prepare the way for the study of the higher branches of geome- 

 try; or, to supply almost every thing which a young mechanic or 

 farmer will need in drawing, mensuration and many calculations 

 which are necessary in the every day operations of life. 



CATECHISM OF AGRICULTURE, CHEMISTRY AND 

 GEOLOGY. 



By J. F. W. Johnston, M. A., etc., with an Introduction by J. Pit- 

 kin Norton. E. H. Pease, publisher : Albany. 



The reputation of this work is so well established, that it is 

 hardly necessary at this late day to recommend it We desire, 



