NATURAL SCIENCE. 



103 



Introduction to Chemical Science. 



By R. P. WILLIAMS, Instructor in Chemistry in the English High 

 School, Boston. 12mo. Cloth. 216 pages. By mail, 90 cents; for 

 introduction, 80 cents. 



fTlHIS work is strictly, but easily, inductive. The pupil is stimu- 

 lated by query and suggestion to observe important phenomena, 

 and to draw correct conclusions. The experiments are illustrative, 

 the apparatus is simple and easily made. Such elements, com- 

 pounds, and experiments as pupils have no use for, are omitted. 

 The nomenclature, symbols, and writing of equations are made 

 prominent features. In descriptive and theoretical chemistry, the 

 arrangement of subjects is believed to be especially superior in 

 that it presents, not a mere aggregation of facts, but the science 

 of chemistry. Brevity and concentration, induction, clearness, 

 accuracy, and a legitimate regard for interest, are leading charac- 

 teristics. The treatment is full enough for any high school or 

 academy. 



Though the method is 'an advanced one, it has been so simplified 

 that pupils experience no difficulty, but rather an added interest, 

 in following it ; the author himself has successfully employed it in 

 classes so large that the simplest and most practical plan has been 

 a necessity. 



H. T. Fuller, Pres. of Polytechnic 

 Institute, Worcester, Mass.: It is 

 clear, concise, and suggests the most 

 important and most significant ex- 

 periments for illustration of general 

 principles. 



Thos. C. Van Nuys, Prof, of Chem- 

 istry, Indiana University, Bloom- 

 ington, Ind.: I consider it an excel- 

 lent work for students entering upon 

 the study of chemistry. 



0. W. Shaw, Prof, of Chemistry, 

 Pacific University, Forest Grove,0r.: 

 I am especially pleased with it as 

 filling a place which no other work 

 has filled. 



W. J. Martin, Prof, of Chemistry, 

 Davidson College, N.C. : I think it 

 is one of the most admirable little 

 text-books I have ever seen. 



Wm. F. Langworthy, Teacher of 

 Chemistry, Colgate Academy, Hamil- 

 ton, JV. Y. : I am much pleased that 

 we introduced it. 



T. H. Norton, Prof, of Chemistry, 

 Cincinnati University, 0. : Its clear- 

 ness, accuracy, and compact form 

 render it exceptionally well adapted 

 for use in high and preparatory 

 schools. I shall warmly recommend 

 it for use whenever the effort is made 

 to provide satisfactory training in 



