ERRATA. 



Page 7. line 15. for <p X F G read ?XFH 

 ib. ib. for % read % 



16. i$.for § 4. read § 14 

 ib. ib. for acof<?>* r*#^ a 1 cof> 



205. 8. for fin O— ")=> &c. read «— *=, &c. 



cof » , cof n 



206. *3-/^-^f;^^-^f7 



222. 12. for tan — X 45 , r*«^ tan — X fin 45° 



281. 4. for tranfverfe read conjugate 



293. 2. for (1 + e) read (1 + *') 



ERRATA in Vol. IV.— Hist. 



P«m 6. /«w 4.,/w" tan — ~ r^«^ tan — . Alfo ibid, line d.far 1 read R. 



