150 



ANIMAL Mi:ciIANISM. 



"When tlidiorse had his feet furnished with tlie india-rubher 

 boxes which have just been described, thick transmitting 

 tubes not easily crushed were iitted to these receptacles. 

 These tubes art- usually 1'isteiiel by flannel hands to the le^.s 

 oC llie animal, and thence directed to a point of alta-hment 

 ;il the level c>f the withers; they are then coul inued to the 

 registering apparatus, which has been already described 

 in the experiments on biped, locomotion. The registrar now 



I'M; il. Tliis fig"re represents R trotting hors- 1 , fumislx-d with thedlfibreot 



r\)Tiiiii'iit il i]i>|- ntni'iils ; tin- lini-MMii in c:n Tvni'.- tin' ri'i'i-li-r <>f the 



JMCr. llntlu: uilll.ls .,11(1 I In- cn.llp .-iIX 1 il^triUIH-l.t.s lnHlniWtl, 



nctioni 



carries a j^reat iMimber of levers ; he must have four at 

 l.-.ist -one for each of the le^s, and usually two other levers 

 which receive their movements <,f re-action from the withers 

 and the croup. Similar kinds of apparatus to tli-ise repre- 

 sented in l\'^. 'JS are employed for this purpose. 



The rider carries hyihe handle a portable registering in- 

 strument, 1o which all the levers ^i\e their signals at once; 

 the han I wliich holds the reins is also ready to t-ompve^s a 



