Fossils from the Upper Musashino oi Kazusa and Shiuiosa. 



Family Cerithiidae. 



87. Cerithiuin (Clava) kochi 



Phil. 



88. Potamicles(Tympaiiotoiios) 



fluviatilis Mich, et Post. 



89. Potamides (Batiilaria) 



zonalis Brug. 



90. Potamides (Batiilaria) 



multiformis Lke. 



Family Ceritlxiopsidae. 



91. Cerithiopsis nodosocosta- 



tus Tok. 



92. Cerithiopsis (Seila) trisal- 



catns Y ok. 



Family Triforidae. 



93. Triforis otsuensis Tok. 



94. Triforis multi gyrata Yok. 



Family 1 richotropidae. 



95. Trichotropis unicarinata 



Br. et Sow. 



Family Vermetiaae. 



96. Thylacodes medusae Pils. 



Family Caecidae. 



97. Cœcum vitreum Carp. 



family Melaniidae. 



98. Mehinia niponica Smith. 



Family Solariidae. 



99. Solarium (Pliilippia) cin- 



galum Kien. 



100. Solarium (Philippia) 

 pseudoperspectivum Broc. 



101. Torinia elegantula Yok. 



Famihj Rissoidae. 



102. Rissoa (Cingula) plebeja 

 Yok. 



103. Rissoina (Moerchiella) 

 manzakiana Yok. 



104. Fenella septentrionalis 

 Tok. 



Faiinly Skeneidae. 



105. Skenea nipponica Yok. 



106. Skenea planorboides Tok 



LIVING 



Centr. and West. Japan. East 

 Af ri ca. 



Centr. and West. Japan, Philip- 

 pines. Indian Ocean. 



North., Centr., West. Japan, 

 Hongkong, Australia. 



Northern, Central and Western 

 .Japan. 



4- + : Central Ja23an. 



+ . 



+ 



Northern to Western Japan. 



Central to Southern Japan. 



Central and Western Japan. 



Central Japan. 



Central Japan, Philippines, 



South Sea. 

 Central Japan, Mediterranean 



Sea. (Pliocene of Italy). 



Central Japan. 



Central Japan. 

 Central Japan. 



