12 Cincinnati Society of Natural History. 
VI.—ILLusTRATIONS. (Plate I.) 
FIG. 1-5—Five serial sections from a single efferent neurone in electric 
lobe of Torpedo occidentalis. Mean diameter of the cell- 
body (120y.x 83); of the nuclei (37 » x 34 #). 
Fic. 6—Diagram showing the fibrillar arrangement of the efferent 
neurone in an electric lobe of Zorpfedo occidentalis. 
F1G. 7—Spinal ganglion cell from the mid-cervical ganglia of the adult 
white rat. Cell-body (41 » x 30); nucleus (15 » x 15 p#). 
I2 
