[ 37 ° ] 
texture. The neighbouring mufcles appeared livid 
and lacerated. 
The os femoris was become carious on its inferior 
and pofterior parts ; and, at about an inch distance 
above the condyle of that bone internally, there arofe 
a confiderable exoflojis. 
The capfular ligament of the knee-joint was be- 
come much thickened, and contained about two 
ounces of a vifcid yellow J'ynovia. 
The femoral artery, on its inferior part, juft above 
its divifion into tibialis a?itica and pojlica , was dif- 
eafed j which difeafe extended four inches upwards. 
The coats of the artery were confiderably thick- 
ened, and lacerated longitudinally. 
The fmalleft diameter of the difeafed part of the 
artery was two inches and one quarter : the larged: 
diameter of the difeafed part of the artery was two 
inches and one half. 
Hatton* Garden, 
Nov. 17. 1757. 
XLV. Farther Experiments for increafmg 
the Quantity of Steam in a Fire-Engine . 
By Keane Fitz-Gerald, Efq\ F, R. S. 
Read Nov. 2^, T Gave a former account to the Royal 
X Society of fome experiments made 
for increafing the quantity of fteam in a fire-engine, 
by blowing air thro’ boiling water *, The effedts 
* See above, N°. X. p. 53. 
then 
