FIG. 50. MESAL OR INNER ASPECT OF THE MUSCLES OF THE FORELIMB. 



a, Supracondyloid ridge of humerus; ab, abductor pollicis; b, humerus; 

 c, humeral head of the flexor carpi ulnaris; cp, ento-triceps ; d, in- 

 sertion of a tendon of flexor sublimis digitorum; e, ulnar head of 

 flexor carpi ulnaris; ec,, -extensor carpi radialis longior; ec.,, extensor 

 carpi radialis brevior; /, portion of the flexor sublimis digitorum 

 arising from the flexor profundus digitorum ; fs, the portion of the 

 flexor sublimis arising from the palmaris longus; //>, common tendon 

 of the flexor profundus digitorum; flx, flexor profundus digitorum; 

 h, flexor profundus digitorum; k, pronator quadratus; /, flexor carpi 

 radialis; o, short part of the ento-triceps; ol, olecranon process; ot, 

 tendinous loops; pect, pectoralis cut off; pi, origin of the palmaris 

 longus which is reflected caudad; pt, pronator teres; r, ento-triceps; 

 ro, coracobrachialis ; s, split in the tendon of the flexor sublimis re- 

 vealed by cutting away the tendinous loop; ss, supraspinatus ; si, 

 supinator longus; tm, teres major; tb, the head of the humerus; x, 

 a tendon of the flexor profundus digitorum whose portion between 

 the two letters is cut out to display the insertion of d. 



