DISEASES OF THE BRAIN AND NERVOUS SYSTEM. 



59 



A HOBSE BENT OX MISCHIKF— THE 8CBJCCT OF PHBE.VITI8. 



ativee which produce disorder in the digestive fuuctiou or organs. 

 It is well known, however, that this, like some other diseases of 

 the brain, is constantly occurring among members of the human 

 family as well as the equine species, they being the subjects of 

 constitutional defect in the form of scrofula. Derangement of the 

 digestive organs almost always affect the brain, in eonsequence of 

 sympathetic relations existing between the two. Hence, in view of 

 preventing disease of the biain, we must keep the stomach in good 

 working order, by means of an intelligent system of dietetics, and 

 the exhibition of sanative medicines when they seem to be needed. 

 Symjjfoms. — The observable symptoms of abscess within the br-iu 

 do not differ materially from those which are present in dropey of 

 the brain. In the early stage, the animal appears lethargic, sleepy 

 and, when urged to move, reels and comes near falling. The nead 

 is usually somewliat depressed, yet it is often inclined to one side: 

 the pupil of the eye is dilated, and the membranes of the lids are 

 congested and reddened. As the disease advances, a state of torpor 

 trtfl in. Blindness, from pressure on the brain, ensues; the animal 

 geta upon the floor, soon abrades the skiji from the regions of the 

 hips and shoulders, until, as a matter of charity, the owner put* 

 ftn end to the sufferings of the patient. 



