HORSESHOEING. 



23 



however, so shapeless as thej appear while in this condition; 

 on the contrary, they present well-ai-ranged muscular layers 



Fig. 2. 



Outer Muscles of the Horse. — 1, cervical trapezius; 2, dorsal trapezius; 3, mastoido- 

 humeralis; 4, great dorsal muscle; 5, long abductor of tiie arm; 6, long extensor of the fore- 

 arm; 7, large extensor of the forearm; 8, short extensor of the forearm; 9, sterno-trochinus 

 (deep pectoral); 10, sterno-aponeuroticus; 11, great serratus; 12, common extensor of the 

 metacarpus; 13, common extensor of the toe (anterior extensor); 14, common extensor of 

 the long pastern (lateral extensor) ; 15, oblique extensor of the metacarpus; 16 , external flexor 

 of the metacarpus; 17, internal flexor of the metacarpus; 18, oblique flexor of the metacarpus; 

 19, fascia lata; 20, superficial gluteus (anterior portion); 21, middle gluteus; 22, superficial 

 gluteus (posterior portion) ; 23 and 24, femoral biceps; 25, semitendinosus; 26, semimembra- 

 nosus; 27, anterior extensor of the toe; 28, lateral extensor of the toe; 29, perforans muscle 

 (deep flexor of toe); 30, oblique flexor of the phalanges; 31, perforatus tendon (superficial 

 flexor of phalanges); 32, Achillea tendon (ham-string). 



of variable size, thickness, length, and position. (See Fig. 2.) 

 The muscles olothe the skeleton externally, give the body its 



