22 



that causes the disease called Curb, when Etrained and over exerted by thc power tlie Os Calcit 

 has upon the parts below, 98 The Per/oratvs Muscle, taking its rise in the hoUow pit oi fossa 

 OD the outside of the thigh bone, at the back of the tibia it forms a teodon, and becoming flat 

 and wide, covei» over and strongly embraces the above Insertion of the tendo Achilles takino- 

 attachment to theside of the Os Calcis,below the hock becoming a simple chord again it passes 

 through a restraining ligament, and arriving at the back of the fetlock Joint forms anterioriy a 

 »mooth annnlar ligament for the passage of the tendon of the Perforans, and then terminates by 

 adhering to the lower extremity of the pastern and sides of the Coronet bone. In man there is 

 also a Per/oratus ,h\it. much shorter, taking its rise upon the os calcis, and divides into as many 

 tendons as there are toes ; the foot of the horse, siuiply designed oniy for Support and progres- 

 sion, often combines in one muscle the properties and structure of two or three, whicb are 

 distinct in the human, as is the case in the above muscle, and which makes it difficult to com- 

 pareor name them after the human anatomy. 99 The Perforans , rising behind the head of the 

 TibiajA terminates on the cofBn bone beneath the frog. 100 The Extensor LongusPedis,and the 

 Tibialis Anticus Muscles ; a remarkable ligament is seen confining them dovfn to the bend 

 described by the front of this bone. — For f urther particulars respecting these parts and the viscera 

 the reader is referred to an article publiihed by the autbor in Dr. Rees's Cyclopaedia, 4to edition. 



THE END. 



W. Flikt, Printer, Old Bailey, London. 



