552 



S. WALTEK HANSON 



Fig. 1 Transplanted spinal ganelion of the rat; duration two months. Shows 

 several spinal ganglion cells, a, and a bundle of medullated nerve fibers, h. Pal- 

 W eigert and Upson's carmine. X 180. 



Fig. 2 Transplanted spinal ganglion of the rat; duration three days, a, coagu- 

 lum surrounding the ganglion; h, living cell surrounded by new-formed fibers; 

 c and d, disintegrating cells; e, plexus of new-formed fibers. Pyridine-silver. 

 X 544. 



Fig. 3 Cells from a transplanted spinal ganglion of the rat; duration four 

 days. Pyridine-silver. X 544. 



Fig. 4 Cell from a transplanted spinal ganglion of the rat; duration two days. 

 Pyridine-silver. X 544. 



Fig. 5 Transplanted spinal ganglion of the rat; duration 17 days. Pyridine- 

 silver. X 352. 



