572 BUREAU or American ethnology [bull. 28 



space of 174 days; yet I hesitate to express the conjecture which I 

 entertain rehitive to this subject, for it does not pertain to my present 

 theme. 



Among the twenty groups, therefore, ten (1, '1. 5, 10, 12, 14, 15, 17, 

 18, 19) agree very well with my view, corroborating it in part, while 

 an eleventh (16) will as well if we accept a slight conjecture. 



After this result the question naturally arises whether in the 

 remaining tonalamatls of the manuscripts the pictures and glyphs 

 correspond to the intervals of the days. Such cases are readily 

 found : In the Dresden codex, page 15c, D appears 14 days after A (B 

 to 17) ; page 13b, C, 7 days after E (1 to 8) ; page 16b, A, 4 days 

 after B (19 to 3). But still more cases must be found to form a con- 

 clusive proof, as isolated cases can readily be ascribed to mere acci- 

 dent. This is a question upon which I will not touch at present. 



