EXPLANATION OF PLATE VIII 



THE MUSCLES OF A HORSE 



t. Circular Muscle of the Lips. 



2. Elevator of the Upper Lip and Wing 



of the Nostril. 



3. Zygomaticus. 



4. Proper Elevator of the Upper Lip. 



5. Transverse Muscle of the Nose. 



6. Pyramidal Muscle of the Nose. 



7. Depressor Muscle of the Under Lip. 



8. Masticator Muscle. 



9. Circular Muscle of the Eyelids. 



10. Temporalis Muscle. 



11. Trapezius. 



12. Cervical Portion of the Serratus 



Magnus, the Chest Division being 

 behind the Shoulder. 



13. Splenius. 



14. Mastoido - Humeralis, or Levator- 



Humeri. 



15. Sterno-Maxillaris. 



16. Scapulo-Hyoides (the upper part is 



alone visible). 



17. Pectoralis Parvus. 



18. Antea Spinatus. 



19. Postea Spinatus. 



20. Teres Externus, or Long Abductor of 



the Arm. 



21. Triceps Extensor Brachii. 



22. Coraco-Brachialis. 



23. Extensor Metacarpi Magnus. 



24. Extensor Metacarpus Obliquus. 



25. External Flexor of the Metacarpus. 



26. Anterior Extensor of the Phalanges. 



27. Extensor Suffraginis. 



28. Flexor Perforans and its Tendon. 



29. Flexor Perforatus and its Tendon. 



30. Suspensory Ligament of the Fetlock. 



31. Oblique Flexor of the Metacarpus. 



32. Internal Flexor of the Metacarpus. 



33. Latissimus Dorsi. 



34. Intercostal Muscles. 



35. Obliquus Abdominis Externus. 



36. Rectus Abdominis. 



37. Muscle of the Fascia Lata. 



38. Gluteus Maximus. 



39. The Upper Part of the Gluteus Ex- 



ternus or Superficialis. 



40. Triceps Abductor Femoris. 



41. Semi-Tendinosus. 



42. Semi-Membranosus (only a small 



portion is visible). 



43. Gastrocnemius. 



44. Soleus. 



45. The Tendo Achillis, which comes 



from the Gastrocnemius Muscle, 

 but it is also partly formed by the 



46. Superficial Flexor of the Phalanges 



or Perforatus. 



47. Deep Flexor of the Phalanges or 



Perforatus— (a) Lateral, (b) Middle, 

 {c) Larger Heads. 



48. Anterior Extensor of the Phalanges. 



49. Lateral Extensor of the Phalanges. 



50. Oblique Flexor of the Phalanges. 



51. Flexor of the Metatarsus. 



52. Muscles which elevate the Tail. 



53. Muscles which curve or draw the 



Tail to one side. 



54. Muscles which curve or draw the 



Tail downwards. 



