( 2.2.9 ) 
tfie Ground. But the Sun Rifing upon it, makes it toYall 
down again. The Earth producing it lies low in both 
Places, and is in the Winter wafliy 'tis covered, tho' 
but thinly with Grafs. 
I fufpeded at my firft obferving it, that the Neigh- 
bourhood of the Sea might Impregnate the Ground 
about Hermus which produceth if, with the Salt this 
Earth affords for the making Soap : But the Ground^ 
producing it about Duraclea, lying feveral Leagues from 
the Sea, (eems to overthrow this Speculation j and the 
Sea feems but little concerned in this Produdion, Of' 
this Earth I gathered and brought to Smyrna^ but had 
ml the Satisfaction to fee it before Sun Rife. Every 
Morning there is a new Crop, tho' all be taken away 
which the Preceding Day afforded. 
To Diftovcr what quantity of Salt this Earth contains, 
r had the following Experiments made* 
Three hundred Drams put into a Retort xn Balneo 
Aren^e fot twelve Hours cum Igne Vioknto^ gave be- 
tween five and fix Ounces of an infipid Phlegma, the^ 
fmell only fuch as proceeds in fuch Operations from the 
Fire. 
Finding therefore no Volatile Salt, as v/hat muft have ' 
come over by the foregoing Experiment Two hun- 
dred Drams Calcined at a Bagnio Fire, in a German Cru- 
dble, were difTolved in Water, The Compofition of 
Earth and Water boiled into a Lixivium made Five hun- 
(ked Drams. It was boiled for three Hours, ftill skum- 
ing off the Froth, then Filtrated, after Evaporated over 
acgentle Fire^ it was kept to Chryftallize, and appear'd' 
[ of a fixed Salt.—— — 
Going toa Soap Houfe to know how it was ufed th^re, 
I ^had the following Account ; they mix of Earth with^ 
U of Lime, and Diffolve the Compofition in boiling Wa- 
I tier 5 where ftirring it often with a Stick there floats a 
