392 



PROFESSOR C. R. MARSHALL ON THE 



.stimulation. Two features characterise the recovery from the paralysis, namely, an 

 increased irritability of the nerve and tremors. These effects may also be produced 



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Fig. 4. — Effect of second injection of same dose of tetra-ethyl-ammonium chloride on nerve-endings 

 of fore limb. Letters as in previous figure, x £ . 



by non-paralytic doses. In the experiment from which figs. 3 and 4 are taken — 

 a cat weighing 2125 grammes, anaesthetised with chloroform — stimulation of one of 



