41 



The muscle most important in the back is the latissium dorsi (*). it 

 covers the whole back, extending from the shoulder to the haunch and 

 is strongly attached to the processes of the vetebrae and the ribs. This 

 muscle is the principal one employed in raising the fore or hind quar- 

 ters in the act of rearing or kicking. 



The muscles of the front limbs are, the extensor carpi radialis (k)> 

 extensor digitorum longior (/), extensor digitorum brevior (/), abductor 

 pollicis longus (k), external flexor (*•') middle flexor (mf), and internal 

 flexor {if). 



cj- 



MUSCLES OF THE FRONT LI3TBS. 



The muscles of tne hind quarters are, tne gluteaus externus (/) 

 gluteaus medius or kicking muscle (wz), triceps femoris («), this muscle 

 has enormous power in propelling the animal f orward, biceps (o), semi- 

 membranosus (p). musculus fasciae latae [q] ; this peculiar muscle binds 

 down and secures the other muscles in front of the hauneh. The rectus 

 [;■], and the vastus externus [s] are powerful extensors of the tibia, the 

 gracilis [«]. The extensor pedis [v], the peroneus [w], the flexor pedis fx], 

 the gastrocnimi [j>] and the flexormetatarsi [^]. 



