GASSERIAN GANGLION: ALBINO RAT 



235 



fiber nearly circular in outline. In this case but a single measure- 

 ment of the diameter of the entire fiber and of the axis cylinder 

 was made with a Zeiss system in which each division on the 

 ocular scale was equal to 1.3 m- Ten of the largest fibers in a 

 single section were thus measured for each locahty. 



TABLE 3 

 Average diameters in n of the cells and the nuclei according to the age of the rats, 

 based on the full data. At each age the values given are averages 

 from three ganglia 



GROWTH IN DIAMETER OF THE CELL BODY AND THE NUCLEUS 

 OF THE LARGEST CELLS IN THE GASSERIAN GANGLION 



The original data are based on the measurements taken from 

 the twenty-five largest ganglion cells in the gasserian ganglion 

 of thirty-eight albino rats according to age. For the present 

 discussion these have been condensed as in table 3, and the data 

 arranged according to age. 



