. Nutria, plan; small diagram, old wall 94
18. Pescado, plan, old wall diagram 95
19. A Tusayan wood-rack 103
20. Interior ground plan of a Tusayan room 108
21. North kivas of Shumopavi from the southwest 114
22. Ground plan of the chief-kiva of Shupaulovi 122
23. Ceiling-plan of the chief-kiva of Shupaulovi 123
24. Interior view of a Tusayan kiva 124
25. Ground-plan of a Shupaulovi kiva 125
26. Ceiling-plan of a Shupaulovi kiva 125
27. Ground-plan of the chief-kiva of Mashongnavi 126
28. Interior view of a kiva hatchway in Tusayan 127
29. Mat used in closing the entrance of Tusayan kivas 128
30. Rectangular sipapuh in a Mashongnavi kiva 131
31. Loom-post in kiva floor at Tusayan 132
32. A Zuni chimney showing pottery fragments embedded in
its adobe base 139
33. A Zuni oven with pottery scales embedded in
its surface 139
34. Stone wedges of Zuni masonry exposed in a
rain-washed wall 141
35. An unplastered house wall in Ojo Caliente 142
36. Wall decorations in Mashongnavi, executed in pink
on a white ground 146
37. Diagram of Zuni roof construction 149
38. Showing abutment of smaller roof-beams over
round girders 151
39. Single stone roof-drains 153
40. Trough roof-drains of stone 153
41. Wooden roof-drains 154
42. Curved roof-drains of stone in Tusayan 154
43. Tusayan roof-drains; a discarded metate and a gourd 155
44. Zuni roof-drain, with splash-stones on roof below 156
45. A modern notched ladder in Oraibi 157
46. Tusayan notched ladders from Mashongnavi 157
47. Aboriginal American forms of ladder 158
48. Stone steps at Oraibi with platform at corner 161
49. Stone steps, with platform at chimney, in Or