Plate IV.— Sagittal Section of Digit and Distal Part of Metacarpus of 



Horse. 



A, Metacarpal bone; B, first phalanx; C, second phalanx; D, third phalanx; E, distal 

 sesamoid bone; 1, volar pouch of capsule of fetlock joint; 2, intersesamoidean 

 ligament; 3, 4, proximal end of digital synovial sheath; 5, ring formed by super- 

 ficial flexor tendon; 6, fibrous tissue underlj'ing ergot; 7, ergot; 8, 9, 9', branches 

 of digital vessels; 10, distal ligament of distal sesamoid bone; 11, suspensory liga- 

 ment of distal sesamoid bone; 12, 12', proximal and -distal ends of bursa podotro- 

 chlearis. By an oversight the superficial flexor tendon (behind 4) is not marked. 



(From Sisson's Anatomy of the Domestic Animals; copyright, W. E. Saunders Co.) 

 17722°-17 3 33 



