AURICULID^E. 117 



nearly perpendicular, semiovate, rounded in front; parietal 

 plait single, middle-sized, compressed ; columellar plait callous, 

 nearly perpendicular, slightly twisted ; peristome bordered with 

 white, slightly expanded, with the margins united by a shining 

 deposit. Length 8, breadth 3^ mill. 



Alexia Bermudensis, H. and A. Adams in Proc. Zool. Soc. 1854, 

 p. 33. n. 8 ; Gen. rec. Moll. ii. p. 241. 



Pfr. Syn. Auric, n. 1G2 ; Mon. Auric, p. 152. 



Hab. Bermuda. 



12. Alexia Kutschigiana. 



Shell small, ovate-conoidal, striated transversely, silk-shining, 

 horn-coloured reddish-brown ; whorls seven ; spire elongated, 

 broadly conic, acute ; aperture white ; peristome slightly lipped, 

 reflexed; columellar margin three-plaited; right margin fur- 

 nished with a single tooth. Length 4^, breadth 2| lines 



Auricula Kutschigiana, Kiist, Auric, p. 55. t. 8. f. 11-14. 

 Alexia Kutschigiana, H. and A. Adams in Proc. Zool. Soc. 1854, 



p. 33. n. 6; Gen. rec. Moll. ii. p. 241. 



Pfr. Syn. Auric, n. 163 ; Mon. Auric, p. 152. 

 Hab. Near Trieste, near Spalato, and on the island of Tissa 



(Kiist.). 



11. LEUCONIA, Gray. 



Shell imperforate, ovate-oblong, thin, rather smooth; spire 

 conic; aperture elongately ovate; parietal plait single, rarely 

 double; columellar plait distinct, oblique; peristome rather 

 simple, without teeth. Animals living in places which are often 

 submerged with salt-water, but breathing by lungs. 



Leuconia, Gray, 1840, in Tart. Man. ed. nov. p. 227 (section of 

 Conovulus) ; 1842, Syn. Brit. Mus. p. 91, and 1847, Proc. 

 Zool. Soc. p. 179. 



H. and A. Adams in Proc. Zool. Soc. 1854, p. 36 ; Gen. rec. 



Moll, ii. p. 247. 

 Pfr. in Malak. PI. 1854, p. 152; Mon. Auric, p. 154. 

 Volutie, Auricula;, Conovuli, Volvarise, Jaminia3, sp., Auctt. 



This o-enus might, from the mode of life of the animals, be 

 ascribed to the subfamily Melampince, but on account of the 

 difficulty of distinguishing it from Alexia, the few known species 

 may be described here. 



