Colour*. 215 



Treatise on Natural Philosophy. This philoso- 

 pher, however, has fallen into some strange errors 

 in his explication : we, therefore, hope that Dr. 

 Brewster, whose researches into the nature of 

 polarization have been extensive, elaborate, and 

 successful, will speedily favour the world with a 

 connected view of the whole subject. 



