invention of native system by ancient inhabitants of Chiapas, [182];
among the Zuñi, [205];
kept profound secret by priesthood, [205];
Maya, [220];
fixed term of office for ancient American rulers, [221];
Mexican, originated from the fixed market-days, [245];
signs identified with different parts of human form, [282];
instituted by the Chinese emperor, Yaou, [289], [292];
comparison of American and Chinese, [297], [298], [299], [309];
Chaldean and Hindoo, [300];