ILLUSTEATIONS XIH 



Figure 42. Examples showing the way in which numerals 1, 2, 6, 7, 11, 12, 16, Page 



and 17 are not used with period, day, or month signs 90 



43. Examples showing the way in which numerals 1, 2, 6, 7, 11, 12, 16, 



and 17 are used with period, day, or month signs 90 



44. Normal forms of numerals 1 to 13, inclusive, in the Books of Chilan 



Balam ^-^ 



45. Sign for 20 in the codices 92 



46. Sign for in the codices 92 



47. Sign for in the inscriptions 93 



48. Figure showing possible derivation of the sign for in the inscrip- 



tions 93 



Special sign for used exclusively as a month coefficient 94 



95 



50. Examples of the use of bar and dot numerals ^^dth period, day, or 



month signs 



51. Head-variant numerals 1 to 7, inclusive 97 



52. Head-variant numerals 8 to 13, inclusive 98 



53. Head- variant numerals 14 to 19, inclusive, and 99 



54. A sign for 0, used also to express the idea "ending" or "end of" 



in Period-ending dates 102 



55. Examples of the use of head-variant numerals with period, day, or 



month signs ]^04 



56. Examples of the first method of numeration, used almost exclu- 



sively in the inscriptions 105 



57. Signs for the cycle shelving coefficients above 13 110 



58. Part of the inscription on Stela N, Copan, showing a number com- 



posed of six periods II5 



59. Part of the inscription in the Temple of the Inscriptions, Palenque, 



showing a number composed of seven periods 115 



60. Part of the inscription on Stela 10, Tikal (probably an Initial 



Series^ showing a number composed of eight periods 115 



61. Signs for the great cycle and the great-great cycle US 



62. Glyphs showing misplacement of the kia coefficient or elimination 



of a period glyph 128 



63. Examples of the second method of numeration, used exclusively 



in the codices I31 



64. Figure showing the use of the " minus " or " backward " sign in the 



codices 137 



65. Sign for the "month indicator " I53 



66. Diagram showing the method of designating particular glyphs in a 



text. 



156 



67. Signs representing the hotun, or 5-tun, period 166 



68. Initial Series showing bar and dot numerals and head-variant 



period glyphs ; I74 



69. Initial Series showing head-variant numerals and period glyphs. . . 183 



70. Initial Series showing head-variant numerals and period glyphs. . . 186 



71. Initial Series on Stela H, Quirigua I93 



72. The tun, uinal, and kin coefficients on Stela H, Quirigua 194 



73. The Initial Series on the Tuxtla Statuette, the oldest Initial Series 



known (in the early part of Cycle 8) I95 



74. The introducing glyph (?) of the Initial Series on the Tuxtla Statu- 



ette 1 9(5 



75. Drawings of the Initial Series: A, On the Leyden Plate; B, on a 



lintel from the Temple of the Initial Series," Chichen Itza 197 



