LESSONS IN HORSE JUDGING. 



17 



shake it to and fro, it would wriggle like an eel. 

 Other irregular bones are found making up the 

 knee and hock joints. 



11. — Long bones in forming joints have to ex- 

 pand at their ends (See Fig. 2. A 1), and these 

 expanded ends are covered by a substance which 



Figure 2. 



r^ 



B 



-vyVS 



is yielding and elastic, and called ^ cartilage ' (Fig. 

 2. A 4) which acts hke a buffer, and so lessens 

 concussion. The two ends of the -bone are bornid 

 to each other by strong unstretchable fibrous 

 bands called ligaments' (Fig. 2. A 2). Oil is 

 generated just as it is in the sheath of a tendon 

 f by a synovial membrane (Fig. 2. A 3), and is rep- 

 resented in our diagram by a dotted hue. When 

 a joint is subject to more than ordinary concus- 

 sion; as, for instance, the M^nee' joint, provision 



