PLATE L. 



SVPERFICIAL MUSCLES OF THE HORSE AISD DOG. FACIAL EXPRESSIOyS 



OF THE HORSE, TOGETHER WITH THE FORMATION OF ITS 



yOSTRILS, LIPS AND MOUTH. 



Fig. 1, illustrating many of the promiut'ut muscles of the horse, as follows : 



Muscles of the Head. — o, dilator uaris lateralis; b, orbicularis oris; c, levator 

 labii spurioris; rf, zigomaticus; c, buccinator; /, masseter; g, abducen.s aurem. 



Muscles of tJic Neck, ami S/ioiildcr — o, «, levator humeri ; l>, trapezius; c, c, 

 scalenus ; d, Rhomboideus lougus ; e, steruo maxillaris ; e' sterno scapulari ; /', aiitea 

 sijinatus; (j, scapulo-uluaris; A,/, triceps extensqr brachii; /.-, postea spinatus; e,* 

 latissinius dorsi. 



Muscles of the Fore Leg. — 6, extensor uietacarpi magnus; c, extensor, meta- 

 carpi obliquus; d, extensor pedis; e, extensor sufFraginis; /, flexor nietacarpi exter- 

 nus; ,r/, tendon sperforans ; A, flexor metacarpi externus; ?, flexor carpi radialis; A", 

 flexor metacarpi medius. 



Muscles of the Breeist and J5e%.— (0, pectoralis magnus; (7, d, seratus mag- 

 nus; c, f, serratus luiiiborum; d''., obliquus interuus abdominus. 



Muscles of the Pelvis. — a, tensor vaginae; b, e, gluteii muscles; c, triceps ab- 

 ductor; d, d, biceps abductor tibialis; /. rectus ; g, vastus externus. 



Muscles of the Hind Leg.— a, extensor pedis; 6, extensor; c, tendon Achilles ; 

 rt, gastrocnemi; e, flexor pedis; ./', flexor digiti longus; g, gastrocnemius iuternus; 

 /i, flexor pedis accessorius ; «, f , tendons. 



Fig. 2, side view expression of the face; Fig. 3. formation of the nostrits, lips 

 and mouth; Fig. 4, front view of face; Fig. 5, superficial muscles of the dog, letters 

 eorrespouding to those in the horse. 



