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and talents. Of these inferior intellectual 

 faculties, there are two which seem ex- 

 clusively to belong to man, those of cal- 

 culation and language. There are some 

 persons who have a power and facility of 

 calculation, which others, of equal or per- 

 haps superior intellectual ability, cannot by 

 any effort acquire. Languages are learned 

 by the ear, but it is not the acuteness of 

 this organ which qualifies us to learn them ; 

 this ability is, according to Gall and Spurz- 

 heim, the resultof a separate and appropriate 

 organization. We do not learn to speak, 

 as to write and draw, by willing the several 

 motions necessary to the accomplishment 

 of our designs ; for, in general, we know 

 not the motions necessary for the enuncia- 

 tion of words. There is, therefore, a natural 

 consentaneousness between the will and the 

 powers which effect its purposes *. 



* This ready obedience of complicated structures to 

 the mandates of the will, transmitted by actions through 



