Fic. 
THE MUSCLES. 95 
so. Mepiar 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; eci, extensor carpi “radialis longior ; €C2, X- 
tensor carpi radialis brevior; f, portion of the flexor sublimis 
digitorum arising from the flexor profundus digitorum; fs, the 
portion of the flexor sublimis arising from the palmaris longus; 
fp, common tendon of the flexor profundus digitorum; fix, flexor 
profundus digitorum; h, flexor profundus digitorum; k, pronator 
quadratus; J, flexor carpi radialis; 0, short part of the ento-triceps ; 
ol, olecranon process; ot, tendinous loops; pect, pectoralis cut off; 
pl, origin of the palmaris longus which is reflected caudad; ft, 
pronator teres; r, ento-triceps; ro, coracobrachialis; s, split in the 
tendon of the flexor sublimis revealed by cutting away the tendinous 
loop; ss, supraspinatus; s/, supinator longus; tm, teres major; tb, 
the head of the humerus; x, a tendon of the flexor profundus digi- 
torum whose portion between the two letters is cut out to display 
the insertion of d. (“Ecto-triceps” in figure should be “ medi- 
triceps.” ) 
