318 
OPEBATION OF CTJBREJTTS. 
I fortunate 
enough to be able to determine the six other basins, or lon<r- 
titudinal vaUeys, which succeed each other, as if hv steps 
owards the north. The bottom of the vdW of CuenS 
vSeroVibnu"”*" '’f toises; the 
Assulv lit) 1 A M between the knot of the 
Jif’n ^ Chisinche, 1320 toises : the valley 
Si of the wl’p Alniaguer, 1160 toises; the 
o.isin ot the Eio Cauca, between the lofty plains of Cali 
Buga, and Cartago,500 toises; the valley ooESena fiSt 
be ween Neiva and Honda, 200 toisei ; anffithe; mi 
I t tMcen Honda and Mompoi, 100 toises of averao-e heio-ht 
nboi^ the level of the sea.f In this region, whk^has been 
.aretully measured, the different basins lower very sen- 
sibly from the equator northward. The elevation of the 
bottom of enclosed basins merits great attention in connec- 
tion ^ith the causes of the formation of the vallevs I do 
1 an clhfed to K currents, or slow erosions, 
indnied to believe that the transversal vallevs, re- 
* t inclined to believe that the southern part of the basin nf the 
,... 11 . 1 . 1 . 1 ,. .t 
barometric measures of M f’al,l>,s . Qmlquasi, according to the 
the Jura, are only from 274 to 300 toises. ^ 
