Salt of Urine. 
I o'i 
to a confiderable Depth on one Side only, as 
at b . 
As the Fluid exhales, and the Attraction 
of the Particles becomes more ftrong, fome 
one of the branching Figures generally ex¬ 
tends to a great Length, producing on one 
Side Shoots that are rugged and irregular 
like thofe in the fmaller Figures at a a, and 
on the other Side a curious regular and de¬ 
licate Sort of Branches, refembling thofe of 
fome Plant, with elegant lnvall Leaves in the 
Manner fhewn at c . 
G H A P. XLVIII. 
Salt of Urine. 
Solution of this Salt fhoots from the 
ii Edges of the Drop long Parallelo¬ 
grams in the Manner of Nitre, but with this 
Difference, that Nitre produces folia hexa¬ 
gonal Pillars, cut off obliquely at their Ends, 
in the Figure of a Chiffel, whereas thefe are 
only plain fjperhcial Parallelograms, whofe> 
Ends are flat, as a a , Plate IX. But in other 
Places along the Sides of the Drop folid An¬ 
gles are formed, that are feemingly the Ru¬ 
diments of common Salt, fvid. t>f though 
neither this nor Salt of Hartfhorn afford any 
Some 
