Art. 1. - M. Yokoyania : 



Familtj Caj.ulidae. 



107. Capulus badins Dkr. 



108. Calyptraea mammilaris 

 Brod, 



109. Crepidula grandis Midd. 



Family Naticiäae. 



110. Xatica janthostorua Desh. 



111. Polinices powisianus 

 Reel. 



112. Polinices (Neverita)ampla 

 Phil. 



113. Sigaretus (Eimaticina) 

 jîaiîilla. Gm. 



114. Sigaretus (Ennaticina) 

 oblongus E.ve. 



115. 



Family Scalariidae. 

 Sealaria aurita Sow. 



116. Sealaria maculosa Ad. et 

 Rve. 



117. Sealaria azumana Yok. 



118. Sealaria kazusensis Yok. 



119. Sealaria yamakawai Yok. 



120. Sealaria conjuncta Yok. 



121. Sealaria subfrondicula 

 Yok. 



122. Sealaria picturata Yok. 



Familtj Eulimidae. 



123. Eulima (Leiostraca) uni- 

 eineta Yok. 



124. Eulima (Leiostraca) to- 

 kunagai Yok. 



125. Eulima (Leiostraca) gla- 

 broides Yok. 



126. Eulima (Leiostraca) 

 krishna Yok. 



Family Pyramidellidae. 



127. Pyramidella (Tiberia) 

 pulchella Ad. 



128. Pyramidella (Agatha) 

 virgo Ad. var. Ijrevis Yok. 



129. Pyramidella (Syrnola) 

 cinnauiomea Ad. 



130. Pyramidella (Iphiana) 

 mira Yok. 



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+ + 



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+ + . . . + + + 



+ 



+ + + + + + + 

 + + + ■■ + + .. 

 + . . 



+ . . . . + 



+ 



+ + + . . 



+ . . 



+ 



+ + . . 



+ . . 



+ . . 



+ + 



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LIVING 



Western Japan. 



West coast of America (Oregon, 

 to Magellan). 



Northern to Western Japan, 

 Behring Sea. 



Northern and Central .Japan, 

 Kauichatka. 



Central and Western Japan, 

 Philippines. 



Northern and Central Japan, 

 China, Australia. 



Central and Western Japan, 

 Philippines. 



Habitat unknown. 



Central Japan. 



Western Japan, China Sea. 



Central Japan. 

 Central Japan. 

 Central Japan. 



Central Japan. 



Central and Western Japan. 

 P. virgo lives in Central Japan. 

 Western Japan. 



