168 OPEAS, CHINA. 



conic, obtuse ; whorls 5, joined by a scalar, impressed suture, 

 at first regularly increasing, the last whorl swollen and 

 greater than half the total length. Aperture oval-piriform, 

 quite narrow; outer margin nearly straight, basal margin 

 obliquely convex, columellar margin short and dilated above 

 over the very narrow umbilicus. Length 6, diam. 2.5 mm. 

 (Hde.). 



China : south of Ning-kuo f u, on ruined walls and stones. 



Stenogyra inflatula HDE., Mem. p. 59, pi. 17, f. 20. 



58. 0. TURGIDULUM (Heude). PI. 20, fig. 46. 



Shell ovoid-conic, pellucid- whitish, striatulate; spire short, 

 obtuse; whorls 5, joined by a scalar suture, the first three 

 slowly, fourth and fifth more rapidly increasing. Fifth 

 whorl ample, two-thirds the total length, and very much 

 swollen. Aperture quadrate-oblong, the sides unequal, outer 

 margin longer, straightened, basal margin slightly convex, 

 columellar margin short, dilated, forming nearly a right angle 

 with the basal. Umbilicus narrow. Length 5.5, diam. 2.5 

 mm. (Hde.). 



China: Shanghai and hills of Song-kiang fu, common. 



Stenogyra turgidida HDE., Mem. p. 59, pi. 17, f. 19. 



"This Stenogyre is quite common in Shanghai and its en- 

 virons. It is the most egg-shaped of our species. The whorls 

 are more oblique to the axis than those of S. inflatula." 



59. 0. AUBRYANUM (Heude). PI. 20, fig. 47. 



Shell small, fragile, ovate-conic; spire acute; whorls 7, 

 joined by an impressed scalar suture; epidermis dirty, but 

 slightly adherent. Aperture straight, oval, the columellar 

 margin straight. Length 11, diam. 5 mm. 



Stenogyra a., HEUDE, Mem., p. 117, pi. 30, f. 18. 



China: Province Koue-tcheou. 



60. 0. UTRICULUS (Heude). PI. 20, fig. 48. 



Shell small, fragile, glassy-pellucid, conic-pupoid, the spire 

 attenuate, whorls 6, subinflated, joined by an impressed sut- 

 ure, the last whorl half the total length. Aperture straight, 



