336 Dr. A. D. Waller and Miss S. C. M. Sowton. [June 12, 



Exp. IX. Muscarine ; Betaine ; Choline ; Neurine. 1 per cent. 



Current of injury. N>g. var. 



Nerve 1. Normal off+ -14 



After 7 hours in MUSCARINE off+ 



After 3 hours in saline off+ 



After new transverse section off + 



After further 1 5 hours in saline off + 



After new transverse section off + 



Nerve 2. Normal +off -10 



After 7 hours in BETAINE + 8 



After 3 hours in saline - 3 3 



After new transverse section + off - 20 



After further 15 hours in saline +30 - 10 



New transverse section + off - 30 



Nerve 3. Normal +off -13 



After 7 hours in choline +17 -13 



After further 20 hours in CHOLINE + off 4 



After new transverse section + off 7 



Nerve 4. Neurine (neutralised by 



H 2 S0 4 ). Normal +off -13 



After 7 hours NEURINE +off 



After new transverse section + off 1 



After 18 hours in saline +off - 2 



After new transverse section + off - 6 



Exp. X (fig. 5). Stale Cerebro-spinal Fluid (about 4 per cent.). 



After 4 hours in saline and new 



transverse section off + -14 



After 1J hours in cerebro-spinal 



fluid 



After new transverse section 



After 2 hours in saline off + - 8 



After further 9 hours in saline +70 - 10 



After new transverse section off + - 10 



FIG. 5. 



oca- 



ooi- 



