444 Miscellaneous Intelligence. 
only by induction, and must rest upon the analogies of properties and 
reactions; or else upon theoretical views which by giving a simple con- 
bolic formule, the greatest possible number of reactions which they 
The power of rotating polarized light exercised by a great number 
of bodies, as far as known exclusively organic, furnishes a definite 
character by which the abstract speculations based upon the constitution 
of the compounds of which they form a part may be either confirmed 
