Part IV. Of Things relating to Chymiflry, &c. 35 
unfafe : as, for inftance, of Tartar and Wormwood 5 half a 
Scruple of the former, being as ftrong as one whole Scruple 
of the latter. Of the Fixed Salt of Vegetables,fee a Difcourfe 
in the Phil. TranfaH. N. 10 7, to* 108. Of the Volatile Salt, 
N. IQIi (V) (a) Both 
An Eaft-Indian Compofition (as it feems of Vegetables ) ^byD? 
called CATO. Very aftringent, and infus'd in water makes vm Com 
it yellow. Us'd by the Indians againft the Inflammations of 
the Mouth or Throat. 
SAL AMMONIAC fublim'd 111 a Sugar-Mould from 
Beds of the fame taken from a Coal-Mine near New-Cafile 
upon Tyne 3 of which, fee the foregoing part of this Cata- 
logue. Prepar d and given by Dr. Luke Hodgfon. 
SPIRIT of Sal Ammoniac diftill'd from the faid Salt 
mixed with Quick^Lime. By the fame Hand. 
The Parts of the Medical WATERS of SCARBROUGH. 
Prepared and given by Dr. Witty: together with an 
account of them. But this I find not. The Preparations 
are thefe, The Phlegm, and Ac id Spirit, not ftrong. The 
Sedement upon evaporation, of an afh-colour, a bitterilh 
and nitrous Taft. The Precipitate, upon the mixture of 
Gall-powder 3 black, and of little Taft. One or two Grains 
will precipitate 3j out of a Gallon of the Water. The Ni- 
trous or EfTential Salt, as I take it, before the Precipitation 
be made. The like Salt, after the Precipitation is made. 
Thefe Salts have alfo fomewhat of a Nitrous Taft, but 
mixed with a fmatch of a Vitriolick : And the latter, I 
take notice, is hgur d into long fquare Cryftals, or little 
fquare Bars. The Black Precipitate calcin'd. The Lixivial 
Salts, made, as I take them, from the Precipitate, and from 
the fimple Sediment or Extract both before and after Pre- 
cipitation made : fomewhat like to that of VitrioL 
What ever Ingredients, as Niter, Vitriol, or other known 
Salts, may go to conftitute thefe abovefaid 3 I am of Opi- 
nion, That the predominant is fome Metallick Principle 
different from them all. 
A Solid HERMETICK PHOSPHORUS; a mixed Mat- 
ter, which being expofed for about half a minute of an 
hour to the Sun, or only to Day-light, or to a bright Fire 
or Candle 3 will Ihine in the t dark for fome minutes. Made 
by Dr. fk Slare, and by him given to the Royal Society, 
Z Z Apr. 3, 
