294 NATURE OF (iLANDERS. 



the same disease in another horse — even " as surely," to use Profes- 

 sor Sewell's expressive language, " as one potatoe will produce 

 another" — admits no longer of doubt : yet no one, I imagine, will 

 assert, that the glanders or farcy is producible by matter taken 

 from a vomica in the lungs of a horse that has died of phthisis, or 

 any other ordinary pulmonary disease. This fact may not of 

 itself be sufficient to prove one so-called tubercle in the lungs to 

 be different from another ; weighed, however, with what has been 

 before advanced, we think it strengthens our opinion, that the pul- 

 monary tubercle of glanders, and that of pneumonia or phthisis, 

 are substantially different productions. 



The question we shall next consider, is, whether the lymphatic 

 system in horses, the same as in men, be liable to derangement 

 or to inflammation from common or simple causes ] My own ex- 

 perience bids me answer in the negative. That such a case, 

 however, has happened, and, consequently, may happen again, 

 exception as I believe it to be to the laws of hippopathology, I 

 certainly would not take upon myself to deny. A punctured fin- 

 ger often, in a man, proves the origin of an inflammation of the lym- 

 phatics of the arm, enlargement of the glands of the axilla, &c. ; a 

 tight shoe often gives rise to similar disease upon the leg and thigh, 

 and in the groin. But in horses, although great and fearful mis- 

 chief may arise from a puncture, yet, if it be into muscle, shall we 

 have faschial inflammation, or, into tendon, thecal inflammation, in 

 both cases without any apparent lymphatic disturbance. As I 

 said before, however, I do not mean to assert that we never see 

 what is called absorbent irritation springing from common causes : 

 I believe the following case to be a rare example of it, and there- 

 fore have I deemed it worthy of insertion in this place : — 



C 25. Black troop mare was brought to me on the 30th May, 1842, on 

 account of having got her fore leg injured by being over the bail, a very 

 common accident in barrack stables. The arm was swollen, and she halted 

 upon it. Use fomentations to the injured part, and give her some cathartic 

 medicine, and let her be gently walked out twice in the course of the day. 



June 3d. — She has been, and continues, purging. The swollen limb di- 

 minishes. 



6^^. — Instead of gradually subsiding into the healthy condition, as ninety- 



