2 GRIGG & ELLIOT'S SCHOOL BOOKS. 



tic, observe, " We do not hesitate to pronounce it an improvement upon 

 every work of that kind previously before the public, and as such recom- 

 mend its adoption in all our schools and academies." 



A KEY TO THE ABOVE ARITHMETIC ; in which aU 

 the examples necessary for a learner are wrought at large, and also solu- 

 tions given of all the various rules. Designed principally to facilitate the 

 labour of teachers, and assist such as have not the opportunity of a tutor's 

 aid. By T. T. Smiley, author of the New Federal Calculator, &c. &c. 



CONVERSATIONS ON NATURAL PHILOSOPHY; in 



which the Elements of that Science are familiarly explained. Illustrated 

 with plates. By the author of" Conversations on Chemistry," &c. With 

 considerable additions, corrections, and improvements in the body of the 

 work, appropriate Questions, and a Glossary. By Dr. Thomas P. Jones. 



CONVERSATIONS ON CHEMISTRY; in which the Ele- 

 ments of that Science are familiarly explained and illustrated by Experi- 

 ments and Engravings on wood. From the last London edition. In which 

 all the late Discoveries and Improvements are brought up to the present 

 time, by Dr. Thomas P. Jones. 



The learned and distinguished Professors Silliman and Bigelow, speak- 

 ing of these works, observe: "They are satisfied that the Works contain 

 the fundamental principles, and truths of the Sciences, expressed in a clear, 

 intelligible, and interesting manner, and that the present editions are de- 

 cidedly more valuable than any preceding ones. The high character of 

 the author, as a lecturer, and a man of science, will, we doubt not, secure 

 for these Works the good opinion of the public, and cause their extensive 

 adoption among Seminaries and Students." 



TEACHERS in ordering would do well to say "Jones' Improved Editions." 



THE BEAUTIES OF HISTORY, or Examples of the 

 Opposite Effects of Virtue and Vice, for the use of Schools and Families, 

 with Questions for the Examination of Students. 1 vol. 12mo., with plates. 



This work is introduced into our High School. It is particularly adapted 

 for a Class Book in all our male and female Seminaries, &c. 



" We have received from the publishers, Messrs. Grigg & Elliot, a very 

 neat duodecimo volume, entitled 'The Beauties of History; or, Examples 

 of the opposite effects of Virtue and Vice, drawn from real life.' After a 

 careful examination of this book, we can conscientiously recommend it to 

 parents and teachers as a most meritorious performance. There are here 

 collected, within a narrow compass, the most striking examples of indivi- 

 dual virtue and vice which are spread forth on the pages of history, or are 



