78 



THEORY OF MOUTHING. 



as possible, and, consequently, when they contract, they 

 have their utmost forward pull. 



The chief muscle which draws the fore limb to the front, 

 is attached to the head in such a manner that it acts best 



: Fig. 4. — Cantering. . _ .v...- 



during movement, when the head is carried more or less at 

 right angles to the neck. We may also assume that, as a 

 rule, the head and neck are best placed for ail ordinary re- 

 quirements of paces faster than the walk, when the condition 



