PHYSICAL ann LITERARY. 379 ~ 
he had been of a confiderable time. Next 
day, he pafled two other balls, and, on 
each of the two following days, a ball» 
which he could not force out at the avus, 
was extracted with the forceps. After this, 
he had no uneafinefs, and foon became a 
heal ftrong young man. 
Tue largeft of thefe five balls, which 
was the firft extraGted, is five inches 
in circumference and fomething glo- 
’. bular, but with feveral prominences and 
common bafe, 
flat furfaces. -Moft of the flat parts had 
a {mooth fhining tartarous thin coat, the 
 ref{t of it was more rough and of a {pongy 
appearance, ‘The two laft brought away 
are lefs in bulk, and without fo much tar- 
tarous cruft. The two fmall ones are all 
covered over with the fhining tartarous” 
cruft, which in feveral places is prettily 
variegated with different fhades of an 
afhy colour. One of them has fome re- 
femblance in its fhape to the fhell ofia 
tortoife. The other or {malleft may be 
compared to two pyramids Joiped by a 
The 
