64 NOTES OF A JOURNEY ON THE DARLING, 
red wells. There is such a sameness about all the Westen 
impossible, that the underground water should find its way to the 
sea either on our northern or eastern coasts. ‘The maps of the 
interior of Australia are not, of course, very accurate yet, and it 
is only possible from them to make a fair guess at the genertl 
direction of the high land. But many thin 
that all the western parts of New South Wales and Queensland, 
rocks, the arrangement of the clay with reference to them seemed 
them while they were in exactly the same state as they ar a 
now, and that afterwards a gradual upheaval of the whole ws 
ens 
Ider 
es That the underground water would take the same general ai 
tion as the surface water seems probable, but that the unc 
drainage system is in any other way a counterpart 
be im- 
mensely in excess of the surface water, and would, in @ “ 
the surface soil was deposited, and where these lowest 
re ero 
d in fact 0& 
to the 8 
. certain part of the annual rainfall, and one underground, et y 
an ancient river system, carrying off by far the larger portio® 
