EXPLANATION OF FIGURES 
Below, the general position of the ganglia is shown. On the left above is an 
enlarged longitudinal section of the upper ganglia and just below it a cross-section 
through the brain and subesophageal with the esophagus in the space between. The 
two upper central figures are longitudinal and cross-sections of about the tenth 
ganglion. The last figure to the left is a longitudinal section of the last ganglion. 
The dorsal side is up in all the figures. The sections are all enlarged 170 times, the 
figure of the whole animal is enlarged 20 times. 
