( H8 ) 
By another Account communicated to the Royal So- 
ciety, we are infonnd^ that thefe Children lived two 
Months after the Birth. 
Fig. I. Reprefents the fore View of the Twins. 
2. Their Back-part. 
3, 4. The Skeleton. 
5. The Breafts and Abdominal Mufcles, after 
the external Teguments were removed. 
6 . Part of the Vifcera of the Abdomen. 
7. The Urinary and Genital Parts. 
The two firjl Figures were drawn in their Life-tbne^ 
and the five following were taken after their Death, by 
Order of his Royal Highnefs the Duke Lor rain. 
X. OhJerVations and Experiments on tin Sal Ca- 
tharcicum Amarum, conwionly called the Ep- 
fom Salt. Sy Mr. John Brown, Chymtfij 
F.%S. 
T hat the Salt, of late Years diftinguiihed by the 
Title of Sal Catharticum, is made from what, at 
the Salt Works, is called Bittern, is pretty commonly 
known ^ but the particular Manner how this Bittern 
is produced, and from it, thefe Salts, has not yet, as 
I know of, been communicated to the World, in fuch 
a Manner, as to become intelligible. And the Oppro- 
brium unjahly call upon the Salt, of its being a coun- 
terfeit’ or fomcthing made in imitation of 
it, or common Salt dilfolved and recryflalized, has 
3 . very 
