88 MEMOIRS OF 



vanced in brutal life, through countlefs 

 generations, we have the teftimony of all 

 records to afcertain. Therefore is it, that 

 the inftinffrvc faculty muft be a totally 

 different power to the rational, in as much 

 as it has a perfection unknown to reafon, 

 and as it has an incapacity of progreffion 

 which counteracts that limited perfection, 

 and renders it a thoufand fold inferior to 

 the expanding, afpiring, and ftrengthening 

 power of human intelligence. Between the 

 feparate nature of thofe faculties, infur- 

 mountable and everlafting are the barriers. 

 Philofophy cannot throw them down ; but 

 in the attempt, as in many another, 



Vaulting AMBITION doth o'erleap itfelf, 

 And falls where it would mount." 



If the Creator had indeed given to 

 brutal life that degree of reafon, which 

 Dr. Darwin allots to it, when he aiTerts, 



that 



