118 BOOK OF SPECIES. 



by the cariiiated edge of the body-whorl ; pillar 

 four-plaited ; when young brownish red mottled 

 with white, and the rude apex uncovered. 7' 

 W. 21. 181. 



V. OLLA. Ovate- ventricose^ pale yellowish 

 fulvous, unspotted; spire channelled and obtuse, 

 with a prominent acorn-like mammella ; pillar of 

 the adult with two plaits, of the young with three. 

 4. W. 21. 180. 



V. PORCINA. Sub-cylindraceous, tawny white; 

 apex truncated and whitish; spire plano-concave ; 

 margin keeled ; the mammella partly concealed ; 

 pillar with three or four plaits. W. 21. 179. 



V. scAPHA. Ovate, sub-ventricose, thick, 

 ponderous ; upper portion of the last and penult 

 whorls concave ; somewhat of a flesh-colour, with 

 red or chestnut angularly flexuous lines, expanded 

 in three places so as to form the cloudy bands ; 

 summit papillary ; aperture large; pillar with four 

 plaits. 5. W. 21. 172. 



V. vESPERTiLio. Turbinate, crowned with 

 strong distant sharp tubercles, whitish or pale 

 fulvous, with reddish -brown angularly-flexuous 

 lines, and angular spots; spire muricated ; lip with 

 a sinus above ; pillar with four plaits. 3|. W. 

 21. 151. 



V. MUSiCA. Ovate -turbinate, whitish, with 

 two bands, composed of brown transverse parallel 



