38 BOOK OF SPECIES. 



AURICULA. 



Sub-oval, or ovate- oblong ; mouth longitudinal, very 

 entire at the base; above narrowed, and the 

 7nargins disunited; pillar with one or more 

 plaits ; lip either reflected, or simple and acute. 



^ Lip reflected. 

 A. MiD.«. Ovate-oblong, very thick, decus- 

 sated, granular above, white, covered with a chest- 

 nut-brown epidermis ; spire short, conoid ; aper- 

 ture narrowed in the centre ; pillar with two 

 plaits. 3. W. 19. 1. 



A. JUD^E. Oblong, cylindraceous, conic, 

 thick, most minutely decussated and granulated, 

 fulvous, white ; aperture narrowed in the centre ; 

 pillar with three plaits ; smaller than the last. W. 

 19. 2. 



A. GLABRA. Ovate-oblong, smooth, per- 

 forated, ventricose in the middle, the apex ob- 

 tuse, yellowish white, mottled and streaked with 

 brown ; whorls broad, rounded ; mouth narrowish, 

 ovate ; pillar with a large plait ; lips thickened, 

 reflected, and white. U. W. 19. 5. 



A. LEPORis. Ovate-conic, depressed at the 

 base, perforated, white, with clouded tawny flam- 

 mules and decussated stride, impressed at the 

 sutures ; mouth with both lips widely reflected ; 

 pillar with one plait. 1|. W. Sup. 8. 75. 



