240 VOLVULA. 



V. sPECTABiLis A. Adams. JJnfirjured. 



Shell elongate oval, acuminate behind, rounded in front; apical 

 mucro short, not produced ; rather thin, white, shining, most min- 

 utely transversely striated. Aperture moderate ; inner lip thin> 

 elongated, scarcely flexuous; outer lip regularly arcuate. {Ad., I. 

 c, p. 154). 



TabuSima, Japan, 25 fms. 



V. CYLiNDRELLA A. Adams. Unfigured. 



Shell cylindric-ovate, obtuse at both ends, transversely striated 

 throughout, the striae close; summit short, acute, not produced; 

 aperture linear; inner lip subtortuous ; outer lip with somewhat 

 straightened margin. (A. Ad., t. c, p. 155). 



Mino-Sima, Jo-pan, 63 fms. 



V. ovuLiNA A. Adams. Unfigured. 



Shell elongate-oval, subventricose, transversely striated through- 

 , out, umbilicated, somewhat swollen in front, mucro at the summit 

 small, acute, produced (with the lip) in an angle; aperture wide; 

 inner lip tortuous, elongated, widely reflexed in front ; outer lip reg- 

 ularly arcuate. (Ad., t. c, p. 155). 



Mino-Sima, Japan, 63 fms. 



V. RADiOLA A. Adams. Unfigured. 



Shell subcylindrical, acuminate at both ends, the mucro of the 

 summit produced, acute; white, opaque, transversely striated 

 throughout, the striae distant ; aperture linear, dilated in front ; inner 

 lip oblique, straight, somewhat thickened ; outer lip with straight 

 margin. {Ad., t. c, p. 155). 



Tabu Sima, Japan, 25 fms. 



V. ATTENUATA A. Adams. Unfigured. 



Shell ovate-cylindrical, narrowed at both ends, transversely 

 striated throughout, the strise distant; mucro acute, produced. 

 A{)erture linear, slightly dilated in front; inner lip subtortuous, 

 oblique; outer lip with subarcuate margin. {Ad., t. c. p. 155). 



Tsu-Sima, Japan, 26 fms. 



V. ANGUSTATA A. Adams. PI. 26, fig. 67. 



Shell cylindrical, beaked at both ends, smooth, shining white, 

 longitudinally substriated ; spire concealed ; aperture linear, nar- 



