230 ESSAYS AND OBSERVATIONS 



•was dilated, was but two inches in 

 all. 



The lower part of the fac was larger 

 than the upper, and extended as far down 

 as the OS pubis; and its coats feemed to be 

 made up of the peritoneum and cellular 

 membranes ; and it appeared as if this 

 part of the fac had been recsatly formed 

 by the coats of the true original aneurif^ 

 mal tumour giving way at the lower 

 part, and allowing the blood to pafs into, 

 and diftend the cellular membranes be- 

 hind the peritoneum, and to raife and 

 pu{h it forwards. Perhaps the coats of 

 the true aneurifm began to give way 

 at the time the patient complained of the 

 fenfation of a ftream of cold water run- 

 ning down into the lower part of the left 

 fide of the belly. 



In dilieding off the membranes, to have 

 a more diftin(5t view of the whole tumour, 

 I accidentiy tore part of the fac, where its 

 coats feemed to be formed of the perito- 

 neum and cellular membranes, and there 

 came out a quantity or cloated blood. I 

 then introduced my finger through this 



aper- 



