142 PllOCEEDINGS OF THE MALACOLOGICAL SOCIETY. 



and extenclino; into a very thin callosity, barely reaching to the lip 

 above ; umbilicus shallow and very narrow ; peristome simple above, 

 slightly reflexed below. Alt. 16, diam. 7*5 mm. ; height of aperture 

 11, breadth 4 5 mm. 



Hob. — Liu Shi Tao, north-east promontory of Shantung, in a large 

 fresh-water lagoon. 



20. LiMN^A (Gulnaria) "Whaktoni, n.sp. Fig. 1. 



Shell ovate acuminate, pale brownish horn -colour, striated with 

 somewhat coarse lines of growth ; whorls 5-6 ; aperture ovately 

 and inversely auriform, about ^| of the total height of the shell; 

 columella strongly twisted and extending into a callosity which 

 reaches the lip above ; umbilicus very narrow ; peristome simple 

 above, slightly reflexed below. Alt. 23, diam. 12-5 mm. ; height of 

 aperture 15, breadth 7 mm. 



Hah. — Liu Shi Tao, north-east promontory of Shantung. 



Plentifully in a large fresh-water lagoon. 



21. LiMN^A (Gulnaria) Shantungensis, n.sp. Fig. 4. 



Shell ovate, fulvous, corneous, striated with somewhat irregular 

 lines of growth ; whorls 5 ; aperture oval, about ^ of the whole 

 height of the shell ; columella straight, extending into a faint callosity 

 occupying half the distance to the lip above, and reflexed over the 

 umbilical region ; umbilicus narrow ; peristome simple, except where 

 it approaches the columellar region, where it is slightly reflexed. 

 Alt. 9, diam. 5 mm. ; height of aperture 6, breadth So mm. 



Hah. — Wei Hai Wei ; Shantung. 



Plentifully in a small rocky stream. 



22. LiMN^A (Gulnaria) Pettiti, n.sp. Fig. 3. 



Shell narrowly acuminate, pale brownish horn-colour, slightly 

 malleated, and striated with lines of growth ; whorls 5 ; aperture 

 inversely auriform, about t the whole height of the shell ; columella 

 slightly twisted, extending into a thin callosity which reaches the 

 lip above ; umbilicus very narrow ; peristome simple above, slightly 

 reflexed below. Alt. 12, diam. 6 mm.; height of aperture 8, 

 breadth 3 mm. 



Hah. — Near Chefoo, Shantung. 



Plentifully in a disused canal. 



