Diseases of the Appendages of the Skin. 237 



proceeds, and occasions intense pain. Around this 

 accumulates a plastic exudation, and pus is formed. The 

 central part then dies, and is thrown out, forming what 

 isignorantly termed the "core." 



Treatment. Poultices or fomentations ; general atten- 

 tion to diet \ mild aperients, &c. ; to change the charac- 

 ter of the blood, followed by stimulants and tonics, and 

 probably the use of the knife, with resin ointment exter- 

 nally. 



SITFASTS are horny looking excrescences occupying 

 the central part of the long-standing wounds occasioned 

 by pressure. 



Treatment consists of dissecting out the mass as the 

 safest, quickest, and most effectual method in promoting 

 a speedy cure. 



CHAPTER XXV. 



DISEASES OF THE APPENDAGES OF THE 

 SKIN. 



Laminitis Coronitis Sandcrack Thrush Canker Seedy-Toe Kera- 

 toraa Corns. 



LAMINITIS Inflammation of the Feet, known also as 

 founder, or fever in the feet, as implied in the term, consists 

 of an inflamed condition of the sensitive laminae which 

 surround the coffin-bone, securing the hoof in position ; 

 the sensitive sole is also involved, and occasionally the 

 malady extends to the coffin-bone. In slight cases it ter- 

 minates by resolution, leaving few traces behind ; but the 

 general character of the disease leads to deformity of the 

 feet, by interference with the secretion at the coronet, 'as 

 well as causing a descent of the coffin-bone and the 

 sole, the result of displacement of the latter, with pro- 

 bable changes in it also. Convexity of the sole, or 



