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1. Gateway at Labna _Frontispiece._
2. Great Mound near Miamisburg 16
3. Square Mound near Marietta 18
4. Works at Cedar Bank, Ohio 19
5. Works in Washington County, Mississippi 20
6. Works at Hopeton, Ohio 22
7. Principal Figures of the Hopeton Works 23
8. Graded Way near Piketon, Ohio 25
9. Great Serpent Inclosure 29
10. Fortified Hill, Butler County, Ohio 30
11. Stone-work in Paint Creek Valley, Ohio 35
12. Work on North Fork of Paint Creek 36
13. Ancient Work, Pike County, Ohio 38
14. Work near Brownsville, Ohio 38
15. Works near Liberty, Ohio 39
16. Work in Randolph County, Indiana 40
17. } Vases from the Mounds 41
18. }
19. Ancient Mining Shaft 45
20. Pueblo Ruin at Pecos 80
21. Modern Zuni 81
22. Ruins in the Valley of the Gila 83
23. Pueblo Building restored 87
24. Ground Plan of the Building 88
25. Arch of Los[TN-2] Monjas, Uxmal 98
26. Arch most common in the Ruins 100
27. Casa No. 1, Palenque 107
28. Casa No. 2 (La Cruz), Palenque 108
29. Great Wall at Copan 112
30. Ruins at Mitla 116
31. Great Hall at Mitla 118
32. A ruined "Palace" at Mitla 119
33. Mosaic Decoration at Mitla 120
34. Great Mound at Mayapan 127
35. Circular Edifice at Mayapan 129
36. Casa del Gobernador, Uxmal 132
37. Ground Plan 132
38. Two-headed Figure at Uxmal 133
39. Decorations over Doorway, Uxmal 134
40. Ground Plan of Las Monjas, Uxmal 136
41. Ruined Arch at Kabah 139
42. Casa Colorada, Chichen-Itza 141
43. Great Stone Ring 143
44. Great Mound at Xcoch 145
45. Bottom of an Aguada 146
46. Subterranean Reservoir 147
47. Plan of the Walls of Tuloom 148
48. Watch-tower at Tuloom 149
49. Specimen of Inscriptions on Stone 190
50. Specimen of the Manuscript Writing 191
51. Ancient Masonry at Cuzco 227
52. Ruins of a "Temple" on the Island of Titicaca 228
53. Ruin on the Island of Titicaca 229
54. Ruin on the Island of Coati 231
55. Monolithic Gateway at Tiahuanaco 233
56. Remains of Fortress Walls at Cuzco 234
57. End View of Fortress Walls at Cuzco 235
58. End View of Walls at Gran-Chimu 238
59. } Decorations at Chimu-Canchu 238
60. }
61. Edifice at Old Huanuco 239
62. Ground Plan of the Edifice 240
63. "Look-out" at Old Huanuco 240
64. Ruins at Pachacamac 242
65. Peruvian Copper Knives 249
66. Copper Tweezers 249
67. Golden Vase of Ancient Peru 251
68. Ancient Peruvian Silver Vase 251
69. Ancient Peruvian Pottery 252
70. Ancient Peruvian Pottery 253