94 
BULLETIN OF THE LABORATORIES 
Fig. 3. Cells from the pons nucleus near its caudad portion on the left side. 
The arrow points backward. 
Fig. 4, A portion of the two nuclei of the fifth, corresponding to the point 
at Be. Fig. 2, but on the opposite side, a illustrates the motor, b the bladder cells. 
The arrow points backward. Both are drawn to the same scale with camera luci- 
da from the section shown in part in Fig. 2. 
Fig. 5. Cells from nucleus of facialis to show the processes. 
Fig. 6. Semi-diagramatic section perpendicularly through the four outer lay- 
ers of the nates, including the outer part of the tectum. 
