230 A V O Y A G E T O Book: V. 



i4th of Augufl: 1737; but could not finifh them 

 before the beginning of December following. 



11. The fignal on Oyambaro, the fouth extremity of 



the bafe of Yaruqui. 



On the 20th of December 1737, we removed to 

 Oyambaro and finifhed our obfervations neceflary to 

 be made there, on the Z9th of the fame month. 



in. Signal on Caraburu, the northern extremity of 



the bafe of Yaruqui. 



On the 30th of December we pafTed to Caraburu, 

 and continued there till the 24th of January 1738. 

 This long flay was partly occafioned by the badnefs 

 of the weather, and partly by the want of fignais. 



IV. Signal on the defert of Pambamarca. 



On this defert of Pambamarca, where .we had be- 

 fore been in 173^, on finifhing the meafurement at 

 Yaruqui, a fecond fjgnal was ereded here, and we went 

 up the 2 6rh of January 1738, where we remained till 

 the 8th of February ^ and though we had not here the 

 difficulties of the ice and fnow to ftruggle with, as on 

 Fichincha and other fubfequent flations, yet we were 

 extremely incommoded by the velocity of the winds, 

 which w^ere fo violent, that it was difficult to ftand 

 and, notwichftanding the bed ffieker poffiblc to be pro- 

 cured, we often found it very difficult to keep the in- 

 llrument (leady ; which, of confequence, greatly in- 

 creafed the difficulty of making the obfervations with 

 the necelTary accuracy. 



V. Signal on the mountain of Tanlagua. 



On the 12th of February v/e afcended the moun- 

 tain of Tanlagua ; and having the next day finiffied 

 our obfervations, returned. If this m.ountain be but 



fmall 



