PLATE 2 



EXPLANATION OF FIGURES 



7 Cell from the spinal ganglion of the chick, the main process having an initial 

 glomerulus. X 800. 



8 A spinal ganglion cell of the chick having fenestrations and slings near the 

 periphery. X 800. 



9 Cell of the vagus ganglion of a six-year-old hen showing fenestrations, slings, 

 and pericellular network. X 800. 



10 Cell from the same ganglion as figure 9, showing fibers surrounding the cell, 

 and also part of the pericellular network of an adjacent cell. X 800. 



11 Much convoluted axis cylinder from the Gasserian ganglion of the chick, 

 stained with silver nitrate and counterstained with Delafield's haematoxylin; 

 the ends a and h should be continuous. X 2000. 



286 



