ILLUSTRATIONS 



Page 

 Plate 1. The Maya territory, showing locations of principal cities (map)... 1 



2. Diagram showing periods of occupancy of principal southern cities . 15 



3. Page 74 of the Dresden Codex, showing the end of the world (accord- 



ing to Forstemann) 32 



4. Diagram showing occurrence of dates recorded in Cycle 9 35 



5. Tonalamatl wheel, showing sequence of the 260 differently named 



days w 43 



6. Glyphs representing Initial Series, showing use of bar and dot 



numerals and normal-form period glyphs 157 



7. Glyphs representing Initial Series, showing use of bar and dot 



numerals and head-variant period glyphs 1G7 



8. Glyphs representing Initial Series, showing use of bar and dot 



numerals and head-variant period glyphs 170 



9. Glyphs representing Initial Series, showing use of bar and dot 



numerals and head-variant period glyphs 176 



10. Glyphs representing Initial Series, showing use of bar and dot 



numerals and head-variant period glyphs — Stela 3, Tikal 178 



11. Glyphs representing Initial Series, showing use of bar and dot 



numerals and head-variant period glyphs — Stela A (east side), 

 Quirigua 179 



12. Glyphs representing Initial Series, sho^ving use of head-variant 



numerals and period glyphs 180 



13. Oldest Initial Series at Copan — Stela 15 187 



14. Initial Series on Stela D, Copan, sho^ving full-figure numeral glyphs 



and period glyphs 188 



15. Initial Series on Stela J, Copan 191 



16. Initial Series and Secondary Series on Lintel 21, Yaxchilan 207 



17. Initial Series and Secondary Series on Stela 1, Piedras Negras 210 



18. Initial Series and Secondary Series on Stela K, Quirigua 213 



19. Initial Series and Secondary Series on Stela F (west side), Quirigua. 218 



20. Initial Series on Stela F (east side), Quirigua 220 



21. Examples of Period-ending dates in Cycle 9 223 



22. Examples of Period-ending dates in cycles other than Cycle 9 227 



23. Initial Series, Secondary Series, and Period-ending dates on Stela 3, 



Piedras Negras 233 



24. Initial Series, Secondary Series, and Period-ending dates on Stela E 



(west side), Quirigua 235 



25. Calendar-round dates on Altar 5, Tikal 240 



26. Initial Series on Stela N, Copan, showing error in month coefficient. . 248 



27. Page 12 of the Dresden Codex, showing tonalamatls in all tlii-ee 



divisions 254 



28. Page 15 of the Dresden Codex, showing tonalamatls in all three 



divisions 260 



29. Middle divisions of pages 10 and 11 of tlie Codex Tro-Cortesiano, 



showing one tonalamatl extending across the two pages 262 



30. Page 102 of the Codex Tro-Cortesiano, showing tonalamatls in the 



lower three divisions 263 



XI 



