( 45 * ) 
C is a Sort of Needle with an Edge on one Side, 
which being pafs’d thro’ the Tunica hclerotis , is then 
brought forwards thro’ the Iris a little farther than E. 
This done, I turn the Edge of the Needle, and cut 
thro’ the Iris as I draw it out : The Handle of this 
Needle is half black, and half white, which though 
it is not of much Ufe in this Operation, is very 
much fo in couching Needles, we being thereby 
able to judge of their Pofition, when we do not 
fee them. 
F F is an Inftrument to keep open the Eye-lids. G 
is a Bit of Iron, which as it is moved backward, or 
forward, the Inflrument opens and clofes. 
IX. An Account of federal Stones found in the Kgd- 
S urge on and Lithotomijl to St. Bartholomew’* 
Hofpital and F. 5. 
M R Laurence , a Gentleman of about forty Years 
of Age, had for near twenty Years a Com- 
plaint in his Kidneys ; making bloody Urine upon 
any extraordinary Motion, but free from the great Pain, 
and all other Symptoms ufually attending nephri- 
tick Cafes. However, upon opening the Kidneys af- 
ter his Death, there was in each a Stone of an ex- 
traordinary Size and Figure, befides one hundred 
fmaller, « which are brought for the View of the 
opened by Fir. John Dobyns, 
