Atque folo trepidante tremat, cur denique pelles
Exhalet calidas ventorum>aurafquc necantes,
Typlionumque genus , verfantcfquc alea columnas
wEquora cum fonitu>tempcftatumque furores.
Subter fulphurco commixta metalla vapori
245
Quippe hrec efficiunt ; quandoque tonantia flammam
Concipiunt fubito, & disjedtant omnia circum.
Propterea tellus fuper intremit, atque vacillant
Concufli montes, vacuifquc innixacavernis
Culmina , laxaque trans aperit quaffata viam vis . 250.
Interdum vallo didtnfla patefeit hiatu
Tum quoque , nigrantcfquc videtur mittere ab imo,
Terra orco fumos, tenebrifque offundere crelum..
Hi tamen cxplofi fxpe exhalare vapores
Poffunt trans rara? permulta foramina tcn;$:>,
^55
Atque improvifum nobis inferre calorem
Aera mutantem fubito , ducamus ut regre *
Protinus aurai' dempto libramine, venti
Con-
348
P H I L O S O P H I A
i , m ira cum vio len tia d isjiciun t 5
f , q u o d cum a c c id it, tu m v a p o -
•> res e xp lo fio n e ifta g e n c r a c d s ,
•» per occu ltos terrae m eatus cx-
p irarc , icftu o fo fq u e fentiri
te
>> fu ftocaritcs; p r o c.clla fq u e , tur-
>, bines >
te
tcm .pcftatcs ciere ,
,, cfficcrcque n o n n u n q u a m , ut
ten rx tra ftu s dc locis fuis tranf-
„ A t t e r i t u r , cb u lliatq u e m are ,
^
t e
gu tta tim fu b v e h a n tu r in cac-
lu m a q u x *, q u x deinceps acer
v a tim
te
vorcicofo pondere cor-
„ r u a n t , quafi e n ubibus e f f u f a .
,,
Praeterea e x h a la tio n e s q u x d a m
„ fulphurofa;
om n i
tem pore ,
„ q u an d o terra, (it fic c io r, in ae-
**
rem afccndentes ferm en tefeun c
^ ibi cu m acidis n itr o fis ,
te
non-
0, n u n q u a m ig n em co n cip ie n te s,
„ fu lm in a g e n e r a n t ,
te
ton itrua
„ aliaque m eteora ig n e a . A b u n -
dat enim
er v ap o rib u s acidis
, , fcrm e n tcfccn d o a p tis ; uti vide-
, , re e ft e x e o , quod f e r r u m ,
te
t,
cu p rum ru b ig ln c m in nere tam
acilc c o n c ia lu n t # ig n ifq u e a c-
,,
cen datur fuffiando
cord ifq u e
, , pulfus in a nim alibus rcfp ira tio -
*y
nc c o n f e r v e t u r . Jam v e r o h i ,
, , qu o s d ix im u s , m o t u s , tanri
,*
f u n t , tam q u e violenti , u t cx
„ cis fatis a ppareat , u tiqu e in
,*
ferraen tation ibu s particulas co r*
, , p o ru m , q u x ferm e qu iev e ra n t ,
novis m o tib u s cieri a princi-
, , pio a liq u o p r x p o tc n tc > q uod
, , in cas nonnifi
tum a g a t
, q u um
,,
inter fc valde p r o p in q u x fint
*
*,
c ffic ia tq u c , ut cce con cu rran t
„ inter f c ,
te
collidan tur m a g n a
,, v i m o t u q u e illo c o n c a l c fc a n t ,
et d iffr in g e n te s , co n tcrcn tcsq u c
, , se in v i c e m , evanescant in a c-
„
rem , vap o rem ,
te
flamm am
>
P o ft fc im c n ta tio n c m d clab itu r
N o ft e r c u m N c v v t o n o ad p r x e i-
p it a t io n e m , cujus paulo fuperius
exp lication em dedi
d iftin & a m :
m etalli difioluti p a rtic u lx fu (Li
n e n tu r a liq u o re dilfolvcnte
*
c u m
q u o h ab e n t vires attraftivas m u
tuas > im m ilfo falc tartari praeci
p ita n tu r
,
c u m o b m ajo rem actra-
