BR. DARWIN. 231 



is often fkilful when ufed to exprefs violent 

 exertion, is here cenfurable. 



Thefe new vicegerents are praifed as 

 feeding the harveft, filling the wide-ribbed 

 arch with hurrying torrents, to affift the 

 operation of the mill and the progrefs of 

 the barge, and leading the refluent water 

 to it's parent main. Thefe operations on 

 the water induce a fimile for the progref- 

 five and returning courfe of the blood. 

 The purpureal tint it gives to the fair com- 

 plexion of youthful beauty ; the warm 

 glow to her hair, the laugh of health to 

 her lip, and it's lightning to her eyes, form 

 a lovely piclure in this fimile ; and it clofes 

 with a medical obfervation in a fine poetic 

 figure. 



Juft difcernment will not ceafe to ad- 

 mire the facile fuccefs and artful grace 

 with which this Poet fubdues the difficulty 

 of rendering all forts of fcience fubfervient 

 to the purpofes of high heroic verfe ; or 

 to obferve how feldom even the moft 

 Q 4 technical 



