iv GENEEAL PHYSIOLOGY OF NEEVOUS SYSTEM 273 



oxygen, but to an accumulation of products of metabolism, which 

 have a paralysing action and are easily oxidisable, so that a 

 proportional amount of oxygen is consumed in neutralising them. 



PIG. 1G6. Central preparation of toad. (Baglioni.) The posture of the lower limbs, which are 

 exhausted by recent reflex activity, differs from that in a living preparation. The dorsal surface 

 of the spinal cord is shown. 



He further found that the spinal cord under these conditions 

 consumes about 250-350 cmm. of oxygen per gramme per hour, 

 its respiratory quotient being always less than unity. 



Two years previous to Verworn, Ducceschi (1898) had made 

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