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vented feveral means whereby to perpetuate the 

 memory of them. For inftance, the Hurons and 

 Iroquois have porcelain in their publick treafures 

 on which are painted figures, which recal the re- 

 membrance of memorable incidents. Others make 

 ufe of knots tied after a certain fafhion, and if 

 the imagination is fet at work to found out their 

 meaning, they are not therefore deceived. Laft- 

 Jy, all of them reckon by units till the number 

 ten, and then by decads or tens to a hundred, 

 and fo by hundreds to tens of hundreds or thou- 

 fands, farther than which they never carry any 

 calculations. 



i 



LETTER 



