6o2 'Journal of Comparative Neurology and Psychology. 



Fig. 28. Peripheral ganglion cells, a, a group of seven cells from the region beneath the sub- 

 ocular cartilage; the coarse fibers belong to the first ventral spinal nerve. Magnification, 48 diameters. 

 b, the lowermost cell in a drawn at a magnification of 360 diameters. At x the dendrite passes into 

 the next section, c, d, e, f, other cells drawn at a magnification of 60 diameters. The cell at e is in 

 the base of a gill filament. 



