'6a3 



DART 



R. 



Jides of the head : though this circumftance, where every other 

 correfponds, mufl have'lefs weight, when we confider the endlefs 

 variety in Nature, who will not, in frequent inftances, bear the 

 confinement of fyftem, however ufeful fuch method may be in 

 afilfting authors to arrange her works. 



DIRECTIONS 



