503 
SPRINGS AND WEllS 
XI s. 
earth ; t"’*!, '.a 
quantities beneath the surface of the ._«.i 
as has lieen seen in the phenomena of volcanoc- 
quakes, burst forth from enormous 
mendous destruction. It often happens, ho'VS' 
■ . . .1, 1 the '"'‘i. tf'. 
openings are small and porous, and that tn 'y 
cending through them, are simply combinc‘ pf * 
Hence that almost infinite variety in the charac 
f 
springs, fountains, and lakes, the waters o 
combined with extraneous substairces. jevit)', jl^ 
ascend from spett'P'' 
elastic gases, or vapours. 
and are destitute of all taste and odour ; 
springs are found which bubble without ho'hi’o’^ 
ing heat or any other foreign quality. In ° ^ tl'*-’*' ■/' 
are strongly impregnated with heat; nnd at 
tepid or boiling, according to tlie proportion 
caloric they contain. Occasionally, whethe ^ 
they are blended with metallic, sulphurcon^'^t iV 
other substances, and hence assume the na cfj 
waters ; while, if the substance thus dissolve' /irjjj* 
tible, as naphtha, bitumen, or turpenfmt"’^^ 3 i'r 
will often inflame and burn on the applicat>oa 
Pfpy 
torch. • , 
The water of the noted boiling 'yil 
near Montpelier, is observed to heav nroc^:; 
near ivionipeiier, is ouseiveu lu iiv.;,,,-- and 
furiously in small bubbles, which naanifesil) h ^ > 
t t • , r .1 — \U* I ill !<.» 
a 
the 
vapour breaking out of the earth, ana ' ^^,,(1 
e water, so as to tlirow it up with noisv^ ^ 
bubbles ; for on digging in the vicinity ot tlie 
the spring lies, and pouring fresh ‘’j"> 
newly dug, the same boiling is iinniedn 
- • like'vu'" 
>:4 
A similar bubbling of the water is 
Peroul on the sea shore. In several dry i’yjp, _ yr 
spring, are small venii-ducts, passages, o'" y 
steam issues ; and at the mouths of the»® P, 
light bodies, such as feathers, P'®aes (fl * ^poi 
being placed, are soon blown aw'ay. 
applfcation of a lighted candle or torch, ‘^?^oilii'S,5<.' 
take fire, as is the ease with tliat ot the ’ dyf 
\Vi<iau ; so that there are two diftereat sn v 
occasion these boilings, at the same tinw 
the fountains is medicinal, or even warni. 
Other boiling waters, of a very difie"^ 
eH’f 
