A CHA 2iX for tile better underftanchng of ieVcgpge to die South Sea ,-vA.emii are let 

 down, die Places mentioned m diisHelauon^and trie tourfes going and returning, suppofing 

 tnelirirMmdiana'tParis^reckiiing thence al'VeftLongitude ; die Spherical Lines with Koman 

 lumbers shew rheProgreision of theVariation from 5- to c Degrees towards the ¥A\ 7 . above the 

 Line 00 and to the ¥.E under the sameLine •^yJ£r^^rxuf;l'n^n.^r in Drduuiiy to t/icKmj . 



