CONSTITUTIONAL DISEASES. 373 



are due to the effects of the poison on the nervous system. 

 When both occur together, or the paralysis is marked or 

 progressive, the prognosis is very bad. 



There may be both paralysis and chorea without any 

 visible structural changes in the spinal cord or brain. 



Ulcers of the cornea, inflammation of the cornea or the 

 iris (rare), are apt to result if the eye symptoms are severe 

 or neglected. 



Skin eruptions, mostly of an eczematous character, very 

 frequently follow, and especially about the head. They 

 are not readily cured — sometimes almost beyond treatment. 



Yery often it will be kindness, after an attack of dis- 

 temper when complications of a chronic character have 

 arisen that render the dog wretched, to chloroform him to 

 death. 



Not a few dogs are left with digestive powers so weak- 

 ened that they are always liable to get out of condition. 



However, it is the' aim of the medical expert to try 

 to save, and only to recommend a painless death when 

 the case is obviously hopeless or the subject very miser- 

 able, and after trial of remedies has been made and a 

 chance left for the vis medicatrix natiirm (nature's healing 

 power) to assert itself. 



It is not always easy to detect such complications as 

 capillary bronchitis, lobular pneumonia, or even the lobar 

 form of the disease at the outset. The temperature may 

 be but little elevated. A chill should arouse suspicion, or 

 any increase in the rate of the breathing. 



The physical signs are often ill-marked. The author 

 recommends that every patient lie subjected at the outset 

 of the disease to a very careful physical examination, espe- 



