240 DISEASES OF THE HORSE'S FOOT 



— as, for instance, Arthritis, Sand-crack, or Quittor — may 

 persist and remain as sequels to the case. In addition to 

 these, there may be left behind a cavity in the horn of the 

 wall (see Fig. 109), or a loss of the horn-substance of the 

 wall proper, as that depicted in Fig. 112, or described under 

 the heading of False Quarter. 



Fig. 112.— Hoof with a Cavity in the Substance of the Wall 

 following upon 'Tread' to the Coronet. 



The treatment of Arthritis, Sand-crack, Quittor, False 

 Quarter, and Seedy-toe, will be found in the chapters de- 

 voted to their consideration. 



2. Chronic. 



Definition. — Coronitis in which, owing to the persistence 

 of the cause, inflammatory phenomena continue, resulting 

 in the growth of large fibrous tumours about the coronet. 



Causes. — In many cases it is possible, of course, that 

 abnormal large growths in this position may have an origin 

 similar to that of neoplasms elsewhere — that is to say, an 

 origin as yet undiscovered. There is no doubt, however, 

 that the majority of the huge enlargements about the 



