Copyright, 1929, 19/4 j ^^A. 



By HALSEY B. KNAPP and EUGENE C AUCHTER ' 



PRINTED IX THE UNITED STATES OF AMERICA 



NO PART OF THE MATERIAL COVERED BY 

 THIS COPYRIGHT MAY BE REPRODUCED IN 

 ANY FORM WITHOUT WRITTEN PERMISSION 

 OF THE PUBLISHER 



The material presented herewith is a reprint of educational mate- 

 rial taken from existing standard textbook matter now in use in 

 Ameiican schools and colleges. It is published for v^e as an aid 

 in instruction in certain educational activities for the armed forces. 

 The statements and opinions contained are those of the authors. 



This book is not available for sale by the Superintendent of Docu- 

 ments nor may it be sold or distributed in this form on the civilian 

 market. 



WAR DEPARTMENT 

 Washington 25, D. C, 24 June 1944 

 [A. G. 300.7 (24 June 1944).] 



Additional copies should be requisitioned from USAFI, Madison 3, 

 Wisconsin, or nearest Overseas Branch. 



EDUCATIONAL SERVICES SECTION, STANDARDS AND 

 CURRICULUM DIVISION, TRAINING, BUREAU OF NAVAL 

 PERSONNEL, NAVY DEPARTMENT, WASHINGTON 25, D.C. 



Copies for Navy personnel should be requisitioned from Educational 

 Services Section. 



EDUCATION SECTION, WELFARE DIVISION, SPECIAL 

 SERVICES BRANCH, UNITED STATES MARINE CORPS, 

 WASHINGTON 25, D.C. 



Distributed to Marine Corps personnel fiy Special Services Branch. 

 Additional copies, or information, may bt obtained from unit Special 

 Services Officers. 



TRAINING DIVISION, OFFICE OF PERSONNEL, COAST 

 GUARD HEADQUARTERS, WASHINGTON 25, D.C. 



Copies for Coast Guard personnel should be requisitioned from The 

 Commandant (PT), U. S. Coast Guard Headquarters, Washington 

 25, D.C. 



