CONTEXTS. 



Page. 



Habitations affected by environment 473 



Rectangular forms developed from circular 475 



Flat and terraced roofs developed from sloping mesa-sites 477 



Added stories developed from limitations of cliff-house sites 479 



Communal pueblos developed from congregation of cliff-house tribes 480 



Pottery affected by environment 482 



Anticipated by basketry 483 



Suggested by clay-lined basketry 485 



Influenced by local minerals 493 



Influenced by materials and methods used in burning 495 



Evolution of forms 497 



Evolution of decoration 50fi 



Decorative symbolism 510 



469 



