I 
Ens Veneris. ug 
but then they appear like flat Bodies, not 
having the four Sides of a Pyramid ; as a 
few of them in the Drawing fhew.—Seve¬ 
ral of the hexagonal Bodies may be obferved 
with doping Sides, forming a fmooth trian¬ 
gular riling Plane, whofe Angles point to 
three intermediate Sides of the Hexagon, 
irid. g: and fome have a double Triangle, 
as another of the Figures thews .—h repre- 
fents one of the folid Cubes. 
Thefe Cryftals are prefently deftroyed by 
the Air, and converted into a Calx. 
The Drawings in this Plate fhew, that 
notwithstanding the feeming Affinity of the 
two Metals, the Configurations of Salt of 
Jin bear not the lea ft Refemblance to thofe 
of Salt of Lead. In convulfive and epi¬ 
leptic Cafes, Salt of Jin is given internally 
with good Succefs. 
CHAP. XX. 
Ens Veneris. 
S Chemifts give the Name of Venus 
X % to Copper , one would imagine their 
Ens Veneris to be a Preparation of that Metal; 
whereas it is in reality a Sublimation of the 
Salt of Steel or Iron * with Sal Ammoniac | 
* Green Vitriol is ufually employed inftead of Salt of Steel. 
14 and 
