loS C O N C H L O G Y, 



fifh it is found ; or whatever anfvverablc 

 notices you can procure. 



A good defcription and figure mufl fol- 

 low. The defcription (hould include all 

 the obvious or vifible particulars of the 

 fubjedt ; as fize, (hape, colour, and other 

 circumftances. 



It is a very difficult matter to frame a 

 good or accurate defcription of a body- 

 That depends on the call of ideas, the 

 force of language, and the choice of com- 

 parifous. It behoves nie not to explain it 

 further here, as it touches on the fcience 

 of rhetoric and pure writing. The diffi- 

 culty of making intelligible and good de- 

 fcriptions has been the rock on which 

 moil: writers have fplit. 



It is neceffary to avoid the affeded con- 

 cifencfs and quaint terms now fo much in 

 fafhion, and only to ufe the proper lan- 

 guage and eftabliflied terms. Linnaeus, 

 otherwife the great ornament of natural 



hiftoriansj 



