D. VAN NOSTRAND. 15 



Plattner's Blow-Pipe Analysis. 



Second edition. Eeviaed. 8~vo. Cloth. $7.50. 



PLATTNER'S MANUAL OF QUALITATIVE AND QUAN- 

 TITATIVE ANALYSIS WITH THE BLOW-PIPE. Prom 

 the last German edition Revised and enlarged. By Prof. TH. 

 RICHTEH, of the Royal Saxon Mining Academy. Translated by 

 Prof. H. B. CORNWALL, Assistant in the Columbia School of 

 Mines, New York ; assisted by JOHN H. CASWELL. Illustrated 

 with eighty-seven wood-cuts and one Lithographic Plate. 560 

 pages. 



" Plattner's celebrated work has long been recognized as the only complete 

 book on Blow-Pipe Analysis. The fourth German edition, edited by Prof. 

 Richter, fully sustains the reputation which the earlier editions acquired dur- 

 ing the lifetime of the author, and it is a source of great satisfaction to us to 

 know that Prof. Richter has co-operated with the translator in issuing the 

 American edition of the work, which is in fact a fifth edition of the original 

 work, being far more complete than the last German edition." Silliman's 

 Journal. 



There is nothing so complete to be found in the English language. Platt- 

 ner's book is not a mere pocket edition ; it is intended as a comprehensive guide 

 to all that is at present known on the blow-pipe, and as such is really indis- 

 pensable to teachers and advanced pupils. 



" Mr. Cornwall's edition is something more than a translation, as it contains 

 many corrections, emendations and additions not to be found in the original. 

 It is a decided improvement on the work in its German dress." Journal of 

 Applied Chemistry. 



Egleston's Mineralogy. 



8vo. Illustrated with 34 Lithographic Plates. Cloth. $4.50. 



LECTUEES ON DESCRIPTIVE MINERALOGY, Delivered 

 at the School of Mines, Columbia College. Br PROFESSOR T. 

 EGLESTON. * *... 



These lectures are what their title indicates, the lectures on Mineralogy 

 delivered at the School of Mines of Columbia College. They have been 

 printed for the students, in order that more time might be given to the vari- 

 ous methods of examining and determining minerals. The second part has 

 only been printed. The first part, comprising crystallography and physical 

 mineralogy, will be printed a,t sorno future time. 



