Ch.I. south AMERICA. 199 



Georgius Juan S. Johamnis Hierofolymitani Ord. 

 Eques, 81 

 Antonius de Ulloa, 

 Uterque Navium Bellicarum Vice-prasfe6li, et Ma- 



thematicis Difciplini? Eruditi. 

 Catholici Regis Nutu, Audoritate Impenfa ad ejufdem 

 menfionis Negotium eodem allegati Com muni La- 

 bore, Indnftria, Confenfu rr\ hac Yaruquenfi Planitie 

 diftantiam Horizontalem 6272 Paris. 

 Hexapedariim. 

 In Linea a Borea Occidentcm verfiis grad. 19 min. 

 25 f intra hujiis 6tr alterius . „ ^ 

 Obelifci Axes Excurrentem, 

 Qiioeque ad Bafim primi Trianguli Latus Eliciendam 

 & FuiKiamenti Toti Operi jaciendum inferviret, 

 ftatuere. 



Anno Christi MDCCXXXXVL Menfe Novemeri. 

 Giijus Rei Memoriam duabus hinc inde Obelilcorura 



molibus extru6tis Alrernum confecrari placuit. 



" In the reign of his Catholic Majefty, Philip V. 



King of Spain and the Indies agreeable to the 

 *' rcqueft of his moil Chrifcian MajePcy Lewis XV. 



King of France, and in condefcenfion to the de- 



fire of the Royal Academy of Sciences at Paris, 



Lewis Godin, Peter Bouguer, Charles Maria de 

 " la Condamine, Members of that Academy, were, 



by the command and munificence of the moft 



Chrifcian King, fent into Peru, to meafure the 

 " terreftrial degrees under the equincftial, in order 



to obtain a more accurate knowledge of the true 

 " figure of the earth. At the fame time, by the 



command, and at the expence of fiis Catholic Ma- 

 " jelly, were fent, George Juan, Knight of the 



order of St. John of Jerufalem. and Antonio de 

 " Ulloa, both Lieutenants in the Royal navy, and 

 " well acquainted with all the branches of the ma- 

 " thematics : during the whole procefs of this men- 

 ^' furation tliey all equally fnared in the fatigues, 



0^4 " hardfnips, 



