550 PICTURE-WRITING OF THE AMERICAN INDIANS. 
in the same manner as to the latter. Fig. 775 gives examples though 
without color of these pebbles. They are selected from a plate in 
L’Anthropologie (d@) illustrating the text by Emile Cartailhae, who 
declines to offer any hypothesis concerning the use of these objects. 
But to an observer familiar with the gambling games of the North 
American Indians in which marked plum stones, and similar objects 
are employed, these stained flat pebbles at once suggest their use to 
decide the values in a game by the several designs and by the pebbles 
falling on the figured or on the unmarked side. 
