MELANOSIS. 473 



met in another way, by giving gum-arabic or starch, or 

 mallow extract_, or, what is probably better than all^ gum 

 tragacanth, made up into balls. 



Should these measures prove of avail in staying the 

 destructive course of the inflammation, the subsequent treat- 

 ment of the case need consist but in keeping the bowels 

 soluble, the skin supple, and the stomach in a condition to 

 digest its food and create appetite : objects which the 

 following ball, given dailv, is probably well calculated to 

 fulfill— 



Take of Purging mass 3j 



Tartarised Antimony . . . • 3j 



Carbonate of Soda 3ij 



Mucilage sufficient for a ball. 



Should purging result from its daily administration, it 

 must be discontinued, or the purging mass be reduced to 

 half a drachm in quantity. On the other hand, should the 

 inflammation in the gland, in opposition to all our remedial 

 efforts, pursue its course and end in mortification, death will 

 speedily close the scene upon us. 



POLYURIA. 



This term is used in human medicine by Dr. Elliotson to 

 denote a profuse or inordinate quantity of urine : that 

 eminent physician, very properly in my opinion, questioning 

 the correctness of a nosology which regards simple excess of 

 urine as diabetes, seeing that in the disorder properly so 

 called the secretion becomes altogether altered in quality, 

 containing sugar, and is not necessarily in greater abun- 

 dance than usual, although that is a very common attendant. 

 This is an error into which our writers on farriery, and of 

 the veterinary class, have fallen, under the impression that 

 mere augmentation of the urinary secretion, with or without 

 fever, constituted diabetes. When considered under the 

 head of diabetes, this disorder obtains the epithet of insipidus, 

 in order to distinguish it from the true or sugary form of 

 the disease, which is called diabetes mellitus. In horse 



