FOSSILS FROM THE ENVIRONS OF TOKYO. 15 



Shinagawii (frequent). 

 Living near Nagasaki. 



c^j. PLEl ROTOMA cMANGTLIA) GRACILENTA Rve. 



PI. I. Fig. 26. 



TRYONi Man.. ConcL, VI., p. 251.— Proc. Zool. Soe., 1879, p. 195.— 



PiLSBRY, Cat. Mar. Moll. Japan, p. 19. 

 Synonym :— P. contracta Rve.— P. fusoides Rve. 



Oji (rare). 



Living: Kamakura (Sagami), Tokyo, East Coast of Kii, 

 Philippines and North Australia. 



36. PLEUROTOMA (DRTLLTA) TARATENSTS Tok. 

 PL I. Fig. 27. 



Whorls six, the upper three smooth, the rest only coarsely 

 (about right) longitudinally costated with no trace of transverse 

 ribs ; shell distinctly angulated at the shoulder ; aperture long, 

 a little shorter than half the height of the shell. Height 4'""' ; 

 breadth 1.5""". 



Tabata (very rare). 



37. PLEUROTOMA OJIENSIS Tok. 



PL I. Fig. 28. 



Whorls eight, longitudinally costate and transversely Urate; 

 costse number fourteen or more, and are traceable to the base 

 of the body whorl ; lirse very fine and numerous, crossing the 

 cost£e as only fine striations ; canal long, only a little shorter 

 than half the heiglit of the shell. Height ö.ö'"''' ; breadth 2'""'. 



Oji (frequent). 



