Introiluclimi. 



CONTENTS 



Paee 

 17 



History - ^^ 



Name ^^ 



Villages -° 



Prphistoric ruins 



("onluct with Spaniards -'' 



Relations with Americans 30 



Civil and military expe<litions 30 



Agents 33 



Schools 34 



Annals ^* 



Chronological records 



The Pima calendar. 36 



Nature of the events 37 



The narrative 38 



Technology 66 



The fond supply *^6 



Preparation of food "° 



Plants used for food 69 



Medicinal plants '" 



Animals used for food "0 



Domestication of animals °4 



Agriculture ^6 



Methods ^6 



Irrigation °'* 



Division of labor °" 



Products - ®* 



Cereals 90 



Vegetables 91 



Trade 92 



92 



Standards of valiu 



Measures "^ 



Barter : 93 



Artifacts 95 



Wood 95 



Weapons 95 



Agricultural iin])liiTii-nts "' 



