[ 385 J 



XXIV. An Account of the Meafurement of a Bcifeon Honnflow- 

 Heath. By Major 'GejieralWilYi'um'Koy, F.R.S, and AS. 



Read from April 21 to June 16, 1785. 



INTRODUCTION. 



CCURATE furveys of a country are univerfally ad- 

 mitted to be works of great public utility, as affording 

 the fureft foundation for almoil: every kind of internal improve- 

 ment in time of peace, and the beft means of forming judi- 

 cious plans of defence againil: the invaiions of an enemy in 

 time of war, in which laft circumftances their importance 

 ufually becomes the mod apparent. Hence it happens, that if 

 a country has not a(Slually been furveyed, or is but little known, 

 aftate-of warfare generally produces the firft improvements in 

 its geography : for in the various movements of armies in the 

 field, efpecially if the theatre of war be extenlive, each indi- 

 vidual officer has repeated opportunities of contributing, 

 according to his fituation, more or lefs towards its per- 

 fedlion ; and thefe obfervations being ultimately collected, a 

 map is fent forth into the world, confiderably improved indeed, 

 but which, being ftill defective, points out the necefTity of 

 ibmething more accurate being undertaken, when times and 

 circumftances may favour the delign. f^^ 



The rife and progrefs of the rebellion which broke out iii 

 the Highlands of Scotland in 1 745, and which was finally fup- 



E e e 2 preiTed, 



