2 ■ ' Art. 4.— T. KaV.uraki: 



List of the species embodied in this paper. 



Family Geoplanidse Sttmpson. 

 1. Oeoplana himaculata, ii. sp. 

 2.'^ ,, hipldicola Stimpson. 



o. A/'lioposthia japonica, ii. sp. 



Family Bipaliid^e von Gkaff. 



4. Peroc(phalui> ßihms, n. sj). 



5. Bipalmyn venosum, n. sp. 



G. ,, ruteofulvuTfi, ii. sp. 



7. ,, ochroleucum. i\. sp. 



8. ,, kisoensls, n. sp. . 



0. ,, fuscoUneatum, n. s p. 



1<>. ,, hilyendorfi (von (traff). 



11. ,, fuscocephalum, n. sp. 



12. ,. monoUneatuin^ w. sp. 

 13.^ ,, maculatum Stimvao^. 



14. ,. trlfu><coür latum., n. p. 



15. ,, trili neat uni S'nMPriOK. 

 IG. Placocephalvs fuscat'us (Stimpson), 



17. ,. glaucus. ii. sp. 



18. ,, î^ir^oîi^î^s (Stimpson). 

 Family Rhynchodemida? von Gkaff. 



11). Rhynchodemus ijmiai, n. sp. 

 20. Microplana ruteocephala, n. sp. 



Family Geoplanidae Stimpson. 



Genus Geoplana Müller. 



1. Oeoplana hitnaeulata, ii. sp. 



(PI. I- Fi^r. 1.) 



This new species is based on the late Professor Ijima's notes 

 and sketches taken from a single individual, which was obtained 

 by himself in July, 1886, in Nikko. 



*) The species iniicated by asterisks are those which could not be brought under my 

 direct examination. 



