XL.— ECZEMA IN THE HORSE. 



A FEW days ago you saw in the clinique a horse with recent skin 

 disease, indicated by symptoms resembling those of granular dermatitis. 

 This peculiar appearance had struck the veterinary surgeon who sent 

 the animal to me. He pointed it out, and suggested that the disease 

 resembled the " heat spots " seen during warm weather. 



On examining the patient we found three swollen patches covered 

 with yellowish-grey broken crusts, from between which a sticky, serous 

 fluid escaped. One of these patches, situated between the elbows, w^as 

 oval in shape and a little larger than a man's hand ; another on the 

 near fore-leg was limited to the external surface of the canon-bone and 

 fetlock ; the third, in a similar situation on the off hind leg, was rather 

 larger in size. I will give a summary of the clinical history of this 

 animal. 



Bay brown, seven-year-old gelding, of lymphatic character, brought 

 for examination and left for treatment on the 6th March. 



Being attacked with bronchitis towards the middle of last January, 

 this animal was rested for nearly three weeks. Since convalescence it 

 has worked little. The skin affection originated about a fortnight ago. 

 Three patches, from which the hair fell away and discharge occurred, 

 successively appeared, one on the near fore-limb, one on the off hind, 

 and one on the chest. 



State on Examination. — The patches are situated as follows: — The 

 first on the outer surface of the fetlock and pastern of the near fore- 

 limb ; the second between the elbows ; the third on the antero-external 

 surface of the right hock. The latter has the most striking appearance. 

 At the present moment almost its entire surface is denuded of hair and 

 discharging. At certain points the exudate is serous and trifling in 

 amount ; at others there are little erosions covered with a thin, sticky, 

 yellowish layer formed of dry exudate ; when exposed the dermis is of 

 a more or less bright red, and appears finely punctated. In other places^ 



