CíT. III. SOUTH AMERICA. o.^^ 



the time the operations v.'ere suspended on Limpié- 

 pongo, till they returned to finish them. 



IX. Signal on the desert of Chlnchulagua. 



The operations of the signal of Chinchulagua, 

 erected on the desert of the same name, were c jm- 

 pletedon the 8 ch of August; but a doubt arising with 

 regard to one of the angles observed, for the greater 

 certai-ntv, they returned to this station, and again ex- 

 amined the angle in question, after they had finished 

 their observations at Limpie-pongo. 



X. Signal on the mountain of Papa-urco. 



After verifying the observation on Chinchulagua, 

 they removed to the signal ofPapa-urco, and finished 

 their^)bserv'ations in the same month of August. Here 

 they for some time suspended their operations, being 

 called to Quito on afi^airs of importance, relating to 

 the French academicians. 



XL Signal on the mountain of Milin. 



The affairs which had required M. Godin's pre- 

 sence at Quito being terminated within the month, 

 they returned, on the ist of September, to make the 

 necessary observations at the signal of Milin, where 

 they continued till the 7th, when they left it, having 

 completely finished their operations. ' 



XII. Signal on the desert of Chulapu. 



From Milin they proceeded to the desert of Chula- 

 pu, where they remained till the i8th of September, 

 when they had finished all their observations. Till 

 this signal, exclusive, each company had observed the 

 three angles of all the triangles ; both because they 

 differed from one another, and to prove by this pre- 

 cision the errors in the divisions of the quadrants, be- 



R 2 fore 



