CHAP. III.] SYMPTOMS OF TRUE GLANDERS. 363 



too fast. Should this be the case, put blue stone, 

 powdered, upon the plaister, once or twice, or merely 

 touch it with lunar caustic as often. Sometimes the 

 callosity does not come off of itself, though the 

 edges rise up ; it is then to be taken away by force, 

 separating it from the living parts with the knife. 

 The small portion of blood that comes away does 

 no harm, but the contrary. If, however, any one 

 objects to the use of the knife, or doubts his skill 

 in this operation, mercurial ointment will effect the 

 same end, as follows : 



Ointment for Sitfast. 



Oil of turpentine, 10 ounces, 

 Blue ointment, 8 ounces, 

 Gum ammoniacum, 4 ounces ; 

 Mix and apply to these and all hard tumours. 



GLANDERS. 



For about twenty years it was apprehended that 

 we had arrived within a short space of finding the 

 true cause of glanders, and that we should therefore 

 soon ascertain the means of preventing our horses 

 from engendering the malady, if we could not avoid 

 their catching it, nor discover a specific remedy. 

 But, lo ! we were not yet perfectly agreed even as 

 to the symptoms whereby to distinguish the true 

 glanders from the false, nor either from a simple 

 cold ; neither as to that which was communicable 

 and dangerous, compared with another affection of 

 the glands and pituitary membrane, which was 



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