Wiley Books 



for Mineralogists and Geologists 



Published During 1922 



October 



Elements of Optical Mineralogy— Part I, Principles and 

 Methods. 



Second Edition, Entirely Rewritten and Much Enlarged. 

 By ALEXANDER N. WincheLL, Doct. Univ. Paris. 

 An introduction to microscopic petrography, adapted to the study of 

 minerals, both in thin sections and in powdered form immersed in liquids. 

 216 pages. 6 by 9. 215 figures. Cloth, $2.50. 



March 

 Coal : Its Properties, Analysis, Classification, Geology, Extraction, Uses 

 and Distribution. 



By ELWOOD S. Moore. 



Anyone desiring to obtain a general knowledge of the subject of Coal can 

 do so with the aid of this book. 



462 pages. 6 by 9. 142 figures. Cloth, $5.00. 



to date. 



January 

 A Text-book of Mineralogy, By Edward S. Dana. 

 Third Edition, Revised and Enlarged, By William E. Ford. 



The changes made consist chiefly of additions bringing the work right up 



720 pages. 6 by 9. 1050 figures. Cloth, $5.00. 



Mineral Land Surveying. Third Edition. 

 By James Underhill, Ph.D. 



This new edition has been revised to represent present-day practice in the 

 western portion of the United States. 



237 pages. 4£ by 7. 43 figures. Flexible, $3.50. 



Send for any Wiley book on Free Examination ter: 



JOHN WILEY & SONS, Inc. 



432 Fourth Avenue 

 New York 



London Montreal, Quebec 



CHAPMAN & HALL, Ltd. Renouf Publishing Company 



AJS 12.22 



