120 



Pullus subcylindrical, blunt ; apex central. 



Surface spirally striated or finely ridged, espe- 

 cially on posterior whorls. 



15. V. eUijJSoidea 

 Pullus acuminate, pointed at the end. 



Spire half length of aperture ; posterior 

 whorls spirally lined. 16. V. capitata. 



Spire less than one-third of the aperture, 

 ornamented with transverse colour-lines. 



17. V. Jfasoni. 

 Surface with spiral threads, at least on the posterior 



whorls. 



Spiral lines on posterior whorls only; see 7, 11, 



15, 16, 26. 

 Spiral ornament on all the spire whorls. 

 Outer lip varicosely thickened. 



18. V. crassilabrum. 

 Faint longitudinal ridges on last whorl; 



pullus rather depressed. 



19. V. lintea. 

 Whorls cancellated. 20. V. cribrosa. 

 Whorls costated ; spire turreted. 



21. V. sarissa. 



Surface costulate or costate, without spiral ornament. 



Costul^ not prominent ; spire half the length of 



aperture. 22. V. lirata. 



Costulae conspicuous ; spire about one-third 



length of aperture. 23. V. costeUifera. 



Costated ; spire nearly as long as aperture. 



24. F. 2^s'^f^dolirata 

 Surface tuberculated. 



Spire elongated, at least one half the length of 

 aperture ; columella plaits, 4. 



Last whorl tuberculated, but not costated. 

 Apex blunt; tubercles blunt, on ante- 

 rior whorls only. 25. V. cathedralis. 

 Apex pointed ; tubercles sharp on all 

 the whorls ; fine spiral strife. 



26. V. pagodoides. 

 Anterior of last whorl costated. 



Tubercles blunt ; aperture a little longer 



than spire. 27. F. Tateana. 



Tubercles pointed ; spire about the length 



of aperture. 28. T". tabidata. 



Spire short, less than half the length of aperture. 



A second row^ of tubercles at the suture ; 



pullus small. 



