269 



Lateral Movements of Legs. 



Outward from central line. 



Left fore-leg. Body move- 

 ment. Secondary sec- 

 tion of left posterior 

 line. 



Neck move- 

 ment. Secondary sec- 

 tion of left anterior 

 line. 



Right fore-leg. Body move- 

 ment. Secondary sec- 

 tion of right posterior 

 line. 



Neck move- 

 ment. Secondary sec- 

 tion of right anterior 

 line. 



Left hind-leg. Body move- 

 ment. Secondary sec- 

 tion left anterior line. 



Right hind-leg. Body move- 

 ment. Secondary sec- 

 tion right anterior line. 



Inward, across central line. 



Left fore-leg. Body move- 

 ment. Primary sec- 

 tion of right anterior 

 line. 



Neck movement. * 

 Primary section of left 

 posterior line. 



Right fore-leg . Body move- 

 ment. Primary section 

 of left anterior line. 



Neck movement* Pri- 

 mary section of right 

 posterior line. 



Left hind - leg."^ Body 

 movement. Primary 

 section left posterior 

 line. 



Right hind - leg.* Body 

 movement. , Primary 

 section right posterior 

 line. 



* All these follow the direction 



of the old cross-line end, as it is 

 reduced by the new one, e. g., 

 the left hind-leg, that of the end 

 belonging to the right posterior 

 line, as the left spur developes 

 the left posterioi- line. We have, 

 for convenience, connected the 

 motibn with its primary rather 

 than its proximate cause. 



12* 



