Jajjanese t'resKwater Triclads. 71 



Explanation of the Plate. 



The asterisk marks the figures made by the late Professor Ijima. 

 Fig. 1. J>(lcUoccj)Ji()l(i imiianihdei Ij. et K.\i;., natural size. 

 Fig. 2." BdeUoceplidla hruiiiica Ij. et Kab., about natural size. 

 Fig. 3.* Planai id (junocepliala Dugès. X2-5. 

 Fig. 4.'"' The same. X2«5. 

 Fig. 5.'"' The sama. In the resting state, X3, 

 Fig. ti." The same. x8. 



Fig. 7." Planaii I papillifera Ij. et Kai;., about natural size. 

 Fig. 8. The same. X5. 

 Fig. 9/'^ rianaria viv'ula Ij. et Kak. XI. 



Fig. lO." The same. X3. 



Fig. 11* The same. X3. 



Fig., 12. Sorocelis sajijxjio Ij. et Kab. X4 



Fig. 13."''^ Pohjcelis auricidata Ij. et Kaij. X5. 



Fig. 14." The same. X3. 



Fig. 15. Poli/celis ijirnai KkB. Xi. 



Fig. 16 Poli/celi'i karaf to Ij. etIi\B. X5. 



