(FIG. 1.) EXPLANATION OF FIGURES 

 The figure above is a reconstruction of the head end of Enoplus, showing the 

 position of the nervous system. The lower figure at the left is of a section through the 

 whole body of the worm, showing the dorsal and ventral nerve bands. Both these 

 figures enlarged 75 times. The drawing at the right is from a section through the 

 head ganglion, enlarged 170 times. The dorsal side is up in all the figures. 



