4 ON THE EXTERNAL CONFORMATION. 

 The data have been taken from the majority of 

 objects in the same class, as no particular laws 

 have yet been discovered which are unexcep- 

 tionable in explaining the operations of nature, 

 her productions being frequently in direct con- 

 tradiction to our metaphysical reasoning. 



As no accurate judgment in the propor- 

 tions of architecture can be formed without 

 possessing some knowledge of its rudiments, so 

 can no experience in the proportions of a horse 

 be acquired without some general acquaintance 

 with his external anatomy. 



Habitual observation may, in some de- 

 gree, impart the faculty of discriminating in this 

 respect; but it can never produce a true funda- 

 mental knowledge of the advantages or disad- 

 vantages arising from certain peculiarities of 

 structure 



Hence 



