WILEY BOOKS 



The Works of 



Q. Montague Butler, e.m., 



Dean, College of Mines and Engineering, 

 University of Arizona. 



Geometrical Crystallography 



Gives the reader the ability to recognize crystal forms and especially 

 systems at sight, and with the use of few, if any, instruments. 

 155 pages. 4 by 6f . 107 figures. Cloth, $1.50. 



A Pocket Handbook of Minerals. 



Gives all the details needed to identify most of the minerals which mining 

 men, students, or collectors are apt to encounter. The emphasis is always 

 placed upon characteristic physical features. 



311 pages. 4 by 6f. 89 figures. Flexible binding, $3.00. 



Pocket Handbook of Blowpipe Analysis. 



Complete directions are presented for the determination of the composition 

 of minerals. 



80 pages. 4* by 6f. Cloth, $1.25. 



Crystallography, Minerals and Analysis, Complete, 



A handy combination of the three above books in one volume. 

 546 pages. 4 by 6f. 196 figures. Flexible binding, $4.00. 



Hayes' Handbook for Field Geologists. 



Third Edition, Thoroughly Revised and Rearranged, by SIDNEY 



Paige. 



A well-known educator says, of this book: ''This work has 

 been used by me and my students in geological surveying since 

 its first appearance .... Dr. Paige has happily preserved with 

 improvements the quality and the design of the original work." 



166 pages. 4$ by 6f. 20 figures. Flexible binding, $2.50. 



JOHN WILEY & SONS, Inc. 



432 Fourth Avenue 

 New York 



London Montreal, Quebec 



CHAPMAN & HALL, Ltd. Renouf Publishing Company 



AJS 11.22 



