SUMMARIZED STATEMENT OF THE 

 AUTHOR'S THEORY. 



SUMMARY OF CHANGES. 



In this summary of changes that take place in the form and 

 functions of the foot of the horse may be perceived the condi- 

 tions out of which not only Laminitis, and Navicular Disease, 

 but every other specific lesion of the foot may arise. 



INCIPIENT CONTRACTION 



produces impaired action, by undue lateral pressure of the 

 wings of the coffin-bone, impairment of natural action being in 

 proportion to the intensity of pressure. 



ADVANCED CONTRACTION 



causes undue pressure upon the lateral cartilages besides the 

 pressure on the wings of the coffin-bone. The rotary and 

 other movements of the foot within the hoof are thus impeded; 

 attrition first, and subsequently, inflammatory action in the 

 tissues, eventually leading to 



OSSIFICATION OF THE LATERAL CARTILAGES. 



LAMINITIS 



both chronic and recent, is the necessary sequent of an unsup- 

 ported sole, by causing abnormal straining and morbid elon- 

 gation of the laminae. These causes gradually weaken the 

 laminal attachments, and very frequently lead to their discon- 

 nection in what is commonly called Founder, and descent of 

 the coffin-bone, producing the condition termed 



DROP-SOLE OR PUMICED FOOT. 



