EXTREME LUXATION OF THE PATELL.T: IN A FOAI-. 
447 
Well marked eccliymosis was present about the patella and 
patellar attachments of crnral triceps as a result of the dragging 
of the misplaced parts upon contignons tissues in the patient’s 
efforts to extend the joint. i 
The extreme degree of luxation serves to explain and em¬ 
phasize important facts in the etiology and history of closely 
CROUCHING ATTITUDE OF FOAL DUE TO DISPLACEMENT OK 
THE TWO patf:lla-:. 
a Crural triceps muscles. h Left patella. 
allied or generically identical cases. The history and autopsy 
point to navel infection as the possible cause, this possibility being 
increased by the ligation of the umbilical cord, by which means 
the cut ends of two hollow vessels, the umbilical arteries, which 
would otherwise retract, were fixed in a position rendering their 
