Salt of Buckthorn . 
fbmetimes having an Opening at each Cor¬ 
ner of the Bafe, as if the Angles had been 
artfully taken out. Thefe Differences will 
be underilood by examining the Figures 
d d. 
The Air puts an End to thefe Forms foon 
after they are produced. - 
CHAP. XXXVI. 
Salt ^Buckthorn. 
T HIS Salt fhoots from the Edges of 
the Drop many fharp-pointed Spi- 
culcey at little Diifances from each other; 
after which the feveral Figures in the 
Drawing (Plate VII.) form themfelves un¬ 
der the Obferver’s Eye ; fome are hexangu- 
lar Planes, fomewhat opake, and appear 
with a confiderable Degree of Thicknefs 
in proportion to their Size, as b \ whilft 
others of the fame hexangular Planes are 
exceedingly tranfparent, and have no vi- 
fible Depth. Parallelograms are difperfed 
here and there, and fome Rhombi: Indeed 
the hexangular Figures before mentioned 
feem like Rhombi, cut off at each End. 
There appear a few of the Figures c and d> 
and alfo of the other feveral Forms repre- 
fented in the Pidture. 
M 4 
A Syrup 
