Prate VI 
Fig. 20 Cross-section of the spinal cord at the level of the 15th nerve in Experiment 324. 
Fig. 21 Cross-section through the brachial region of Experiment 706. The myotome, ganglion 
and nerve trunk are missing on the operated side. The clear space left apparently by the migration of 
the ganglion cells to unite with the ganglion below is marked by a+. 
