PRINCIPAL RIVERS, 331 
lv‘ they’, they will float, till, being condensed by 
. ti y become specifically heavier tlian the air, and fall 
t>f j or, being driven by the winds against the 
to many of which far exceed the usual 
vapours would of themselves ascend, arc 
■ Ho- P'ec 
stream of air to mount up with it to 
Being there condensed into water, they 
Jiie '^‘Phate, and, oozing down by the crannies of 
'V *^in’ in part the crevices of the hills. 
thiti °nce filled, all the overplus of water Avhich 
V"? Out lowest place, and 
V tl single springs. 
Of running down by the vallies, between the 
V’ m'* uniting, form little rivulets or 
V‘8tij ®‘'y of these again meeting in one common 
‘y}^ gaining the plain ground, having grown 
\\h’ a river 5 and many of these uniting, 
ahj''”‘^‘gious streams of water as the Wolga, the 
(1 atij .“‘sious sti 
^ Of, ^ Rhone. 
part of the vapours which are blown on the 
t by the rivers, to tlie sea whence it came. 
^ the^ ‘“l^o the sea before it can reach the land ; 
V into why the rivers do not return so much 
^ i'®tt fap hdediterranean as is raised by vapour. A 
botr,' ground, and furnishes the pabu- 
jjg "tt^nt of plants. But tlie circulation does not 
Vof (L te ; for it is again exhaled into vapour by the 
.V* and returned to the great world of waters 
Q heantifill as it appears, it has been objected 
* tnan°*^ account for the origin of hot and salt springs, 
'ter, Y brings, among which is a remarkable Qjie at 
*btitv tiot only perpetual, but yield the 
>iy y water, whatever proportion of rain or 
afforded. Amid these uncertainties, tlie 
apostle Paul may be aptly cited : ‘ O 
u ’if wisdom and knowledge of 
are his judgments, and his wags 
