98 FISTULA AND POLL-EVIL 



jacent to the cervical angle of the scapula. The 

 patient was not relieved from this evacuation 

 but on the contrary remained indisposed, re- 

 fusing to move about except when urged, and 

 at each movement grunted with agony. The 

 respirations at first only slightly accelerated 

 became gradually faster during the succeeding 

 three weeks, at which time several gallons of 

 exudate were aspirated from the right side of 

 the thorax. The patient's condition became 

 gradually worse and at six weeks following the 

 evacuation of the withers it died from a re- 

 filling of the pleural sacs. The post mortem 

 examination of the carcass showed clearly a 

 case of pleurisy beginning along the dorsal re- 

 gion extending with a gradual lessening in- 

 tensity in the downward direction over the 

 thoracic parietes, beginning at the intercostal 

 lymph nodes, which were found enlarged. 



Paralysis 



Nervous involvement is less likely to com- 

 plicate fistula of the withers than poll-evil, be- 

 cause the spinal cord of the dorsal region is 

 better protected against encroachment from 

 extending pyogenic processes. We have never- 

 theless observed cases in which death due to 

 spiTvitis arising from extension of the 

 disease into the neural canal. The patients al- 



