232 



ESSAYS AND OBSERVATION^ 



the fore and left fide ; and that the lower 

 fide of the lafl rib was bare and cari* 

 ous. 



I next examined that part of the fac 

 which had formed the large tumour on 

 the back, and found, that the force of the 

 blood had drove the fides of the dilated 

 artery backwards, quite through the 

 mufcles of the back, till it had reached 

 the ikin. 



The hollow which remained, after 

 the aorta, with the aneurifmal fac, and 

 fibrous coagulum were taken out of the 

 body, appeared to be about three fourths 

 6f as exact a fpherical figure, of three in- 

 ches and a quarter diameter, as if it had 

 been formed by a turning wheel. It reach- 

 ed from the lowermoft rib to the fpine of 

 the ileum. 



On examining the itifide of the fore 

 part of the aneurifmal fac, (the only part 

 which could be taken out intire), I ob- 

 ferved, that the aorta had not begun to 

 be dil; ted for near an inch lower than it 

 had appeared to be on the outfide, and 



- that 



