SCIENCE— ADVERTISEMENTS 



Published by Wiley 



Jtist Out! 

 Day's Handbook of the Petroleum Industry 



By David T. Day^ Ph. D., Editor-in-Chief, and a Staff of Sixteen of the Country's Foremost 

 Experts in the Field of Petroleum. 

 This book is, without a doubt, the most comprehensive treatise on Petroleum 

 ever written, covering every phase of the subject. The scattered facts have been 

 ably collated into a series of chapters presenting modern practice only — both for 

 reference jiurposes and textbook use. Everything is right up to the minute, 

 practical, and authoritative. 



In 2 volumes — 2070 pages, 6 by 9, profusely illustrated, flexibly bound, 

 $15.00 postpaid. 



Economics of Petroleum Business of Oil Production 



By Joseph E. Pogue, Consulting Engineer 



A book of live interest to everyone in any- 

 way connected with oil. A vast number of 

 helpful facts are presented, and many charts 

 are included, giving at a glance accurate 

 figures and facts dealing with production, 

 costs, etc. 



0/5 P'iges, 6 by g, 151 figures, cloth, $6.00. 



Prospecting For Oil and 

 Gas 



By L, S. Panyity, Oil and Gas Geologist 

 Describes the various tools and methods 

 of the present-day scientific oil and gas pros- 

 pector. 



249 pages, 6 by 9, 128 figures, cloth, $3.25 

 postpaid. 



Principles of Oil and Gas 

 Production 



By RosvvELL H. Johnson and L. G. Huntley 



A general treatise with reference to Ameri- 

 can conditions. 



371 pages, 6 by 9, 148 figures, cloth, $4.30. 



Ask US to send you copies of these books on Free Examination 



By RoswELL H. Johnson, L. G. FIuntley, 



and R. E. Somers, all of the University 



of Pittsburgh 



This book describes the principles of com- 

 pany organization, as regards scope, person- 

 nel and methods. Chapters on Federal taxa- 

 tion, and the legal questions involved in leas- 

 ing public and Indian lands in this country, 

 and also the acquiring of oil rights in foreign 

 countries, are included. 



(In Press. Ready August.) 



Field Mapping For the Oil 

 Geologist 



By C. A. Warner, Field Geologist 



A handbook of field methods of value to 

 those geologists who have had little experi- 

 ence with the methods commonly used in 

 examining a territory not yet drilled. 



143 pages, 4J4 by 7, 38 figures, flexible, 



$-'.50. 



Popular Oil Geology 



By Victor Ziegler, Consulting Geologist 



Presents the fundamentals of oil geology 

 in simple language. 



171 pages, S by 7^, 62 figures, flexible. 



JOHN WILEY & SONS, Inc. 



432 Fourth Avenue 



New York 



