SKETCH MAP OE SOUTHERN PERU 



This map shows that part of Peru in which the National Geographic Society- Yale 

 University Expeditions were particularly interested. The work of the 1915 Expedition was 

 limited to that narrow stretch of territory shown in the extreme northwestern portion of 

 the map west of Cuzco and north of Abancay, and represented in greater detail in the map 

 on the opposite page. 



ADVANTAGES OE HAVING A MANY-SIDED 

 STAFE 



Since we have now concluded our stud- 

 ies in the region about Machu Picchu, it 

 may be of interest to the members of the 

 National Geographic Society, who have 

 so generously supported these expedi- 

 tions, to learn something of our methods 

 of work. In explorations in foreign lands 

 a certain amount of time must be wasted. 

 There is tedious work to be done in estab- 

 lishing friendly relations with the foreign 

 government, securing the requisite per- 

 mits and introductions, forming satisfac- 

 tory connections with reliable local busi- 

 ness houses, purchasing the necessary 



equipment and supplies, securing efficient 

 and trustworthy native assistants, etc. 



The amount of bother and trouble is 

 not materially increased by having a rea- 

 sonably large expedition, so we have al- 

 ways deemed it decidedly worth while 

 from the point of view of economy to 

 have as many branches of science as pos- 

 sible represented in our party. 



There are other obvious advantages to 

 be gained by having men of distinctly 

 different tastes and training working to- 

 gether in a new territory. While each 

 man cannot cover the entire country, his 

 opportunity is broadened by the possi- 

 bility of one of the other members of the 

 party being able to report to him the 



435 



