IN THE KIDNEY. 



29 



B. - The obstruction of the renal vein being either 

 incomplete or gradually effected. 



In 6 cases some venous haemorrhage occurred from 

 accidental or intentional laceration of the 

 vein or its branches. 



In 2, the coats of the vessel were raised by a forceps, 

 and a ligature so applied as to include only 

 half the vein ; leaving it at the moment per- 

 vious, though of diminished calibre. 



In 4, a thread was passed around the vein, and so 

 tied as to enclose the latter within a loose 

 loop; the vessel itself not being compressed 

 by the ligature. 

 12 



The results will be most readily understood by a 

 glance at the subjoined Table : 



