., , <?^y/f(2^ ^nivg, S^tqn^ , 33 



more minutely, another experiipca^. jty^a*; 

 made. 



(x) Experiment 16. 



The ischiatic nerves were divided on both 



,F.I4^s inr^^o^; near.jtb^ir ^xit from, the paelvis ; 



.this operatioa;doe$ not render the limb entirely 

 paralytic, The: .animal still possesses a volun- 

 tary power over the muscle? of the thigh, in a 



, considerable] degree : Thei upper point of the 

 \<zg is rendered n^rly parajy tic,,, the. lower 

 point of the, leg and feet are rendered entirely- 

 paralytic, ;l .^ilt i(, .-loiiiiqo oih iL 



Into thef^stonach of a frog^,,thus prepared; 

 thirty drops; of the solutiop ,were injected j after 

 21 minutc3:the ajijmal was convulsed j the 

 convulsion^ ^extenrted-to the tbighs; the leo-s 

 and feet wqrC; not in the smallest degree. afc- 

 fccted by xoiwulsipns. In one hour andniS 

 minutes, the animal was dead. 



The application of salt to the inferior ex- 

 tremities, the Jo^vj^r joints of the legs and feet, 

 produced rapid and frequent contractions ; the 



jnuscles of the thighs at the first did not con- 

 tract, but after the salt had been applied some 

 time, feeble contractions were excited. Tjie 

 salt applied to the muscles of the superior ex- 

 tremities and to those gf the breast and back, 

 O) .Vid. Inaug, DLssert. p. 66. Exp. 41. 



