GENERAL DISEASES. 113 



dition of calcareous metamorphosis. In the internal organs, 

 the kunkurous growth has been observed to have a fibrous 

 capsule. The growths have been found in the liver, spleen, 

 mesenteric glands, caecum, lungs, pleura and bronchial 

 glands, salivary glands, and submucous tissues of the 

 urethra, and in other situations. 



Treatment. — Attention to the hygienic conditions and 

 nutritious diet are of first importance. Tonics may be given 

 from the onset of the disease. The sores should be dressed 

 with antiseptic lotions of carbolic or sulphurous acid, or 

 eucalyptus, etc. All vegetating growths and masses of 

 kunkur should be excised or removed by the actual cautery. 

 It is essential that the whole of the growths should be 

 excised, as otherwise the growth will recur. After excision 

 the wound may be dressed with lunar caustic or sulphate of 

 copper in order to stimulate the healing process. 



DIABETES. 



Varieties. — (1) Diabetes insipidus, or polyuria or hy- 

 druria. 



(2) Diabetes mellitus. 



Definition. — Diabetes is a diseased condition accompanied 

 by excessive secretion of urine, great thirst, emaciation, and 

 debility, and in the second variety characterized by the 

 presence of grape sugar or glucose in greater or less amount 

 in the urine. 



DIABETES INSIPIDUS— Nature of Disease.— Diabetes 

 insipidus is the commoner of the two forms of diabetes in 

 the horse, and is regarded by some merely as a functional 

 disease of the kidneys. It is, however, rather to be looked 

 upon as a general affection due to some disordered condition 

 of the assimilative processes. 



This disease is so common among horses under certain 



