14 



DISEASES OF THE HORSE'S FOOT 



supplemented by the addition behind of a thick piece of 

 fibro-cartilage (the glenoid) attached inferiorly to the pos- 

 terior edge of the upper arti dilatory surface of the os cor- 

 onse, and superiorly by means of three fibrous slips on each 

 side to the os suffraginis. The innermost of these three 



Fig. 8. — Ligaments of the First and Second Interphalangeal 

 Articulations (viewed from the Side). (After Dollar and 

 Wheatley). 



i, Outermost slip from the glenoidal fibro-cartilage; 2, lateral liga- 

 ment of the first interphalangeal articulation ; 3, prolongations 

 of the lateral ligament of the first interphalangeal articulation 

 attached to the end of the navicular bone to form the postero- 

 lateral ligament of the pedal joint; 4, end of the navicular bone; 

 5; antero-lateral ligament of the pedal joint. 



slips becomes attached to about the middle of the lateral 

 edge of the suffraginis, and the remaining two, beneath the 

 first, attach themselves to nearer the lower end of that bone. 

 The posterior surface of the complementary cartilage forms 

 a gliding surface for the passage of the perforans. 



