DR. DARWIN. 219 



defcription, fo diftincT: that the operation 

 may be performed from perufing it atten- 

 tively. 



And now we meet an animated apof- 

 trophe to Steel, praifmg its ufe in navigation, 

 agriculture, and war. This applaufive 

 addrefs is one of the grandeft in the poem, 

 where fo many are grand. What has 

 poetry more noble than thefe firft fix lines 

 of that eulogium ? 



Hail adamantine Steel ! magnetic Lord, 



King of the prow, the ploughfhare, and the fword ! 



True to the pole, by thee the pilot guides 



His fteady courfe amid the ftruggling tides ! 



Braves, with broad fail, th' immeafurable fea, 



Cleaves the dark air, and afks no flar but thec! 



A defcription of Gems lucceeds to that 

 apoftrophe, as a work of the Gnomes, by 

 whom, from marine acids mixed with the 

 fhells of marine animals, and of calcareous, 

 and argillaceous earths, they are here flip- 



pofed 



