PAGE 1. Diagram to illustrate chronology-building with tree-rings 15 2. Map showing sites referred to in Chapter II 21 3. Projectile points of the most ancient cultures 23 4. Folsom diorama 25 5. Map showing sites referred to in Chapter III 28 6. Basketmaker mummy 30 7. Basketmaker diorama 32 8. Basketmaker and Modified-Basketmaker sandals 34 9. Atlatl and grooved club 39 10. Weaving techniques 41 11. Basketmaker coiled baskets 42 12. Basketmaker carrying basket with tump strap 43 13. Basketmaker twined-woven bags 44 14. Mummies of two varieties of Basketmaker dogs 47 15. Modified-Basketmaker diorama 48 16. Modified-Basketmaker house after excavation 50 17. Postulated method of Modified-Basketmaker house construction 51 18. Modified-Basketmaker figurine and nipple-shaped object 54 19. Developmental-Pueblo diorama 58 20. Undeformed and deformed skulls 60 21. Interior view of a kiva 65 22. Corrugated pottery 66 23. Black-on-white pottery, Developmental-Pueblo period 67 24. Neck-banded vessel, Developmental-Pueblo period 68 25. Developmental-Pueblo and Great-Pueblo sandal 69 26. Rosa pit house after excavation 74 27. Great Pueblo Diorama 77 28. Types of Great-Pueblo masonry 83 29. Pueblo Bonito, Chaco Canyon National Monument, New Mexico 85 30. Chaco black-on-white pottery of the Great-Pueblo period 88 31. Cliff Palace, Mesa Verde National Park, Colorado 92 32. Mesa Verde black-on-white pottery of the Great-Pueblo period 95 33. Betatakin, Navajo National Monument, Arizona 98 34. Black-on-white pottery from the Kayenta area, Great-Pueblo period 100 35. Largo surface house and artifacts 103 36. Cavate dwellings and talus houses at Bandelier National Monument 109 37. Tyuonyi, Bandelier National Monument 111 38. Glazed ware from the Rio Grande area, Regressive Pueblo period 112 39.