PLATE XXXVIII. 



Leucicorus lusciosus Garm. Page 146. 



Fig, 1. Entire lateral aspect, from left side. 



Fig. 2. Lateral System on the left side of the head. 



Fig. 3. Lateral System as seen on the top of the head. 



Figs. 4-6. The collapsed eyeball as on the outer and the inner side, and witliin after bisection. 



Fig. 7. One of the disks of the Lateral System, from the cranial section of the canal. 



