162 OPEAS, CHINA. 



43. 0. LATEBRICOLA ('Bens.' Reeve) . PI. 19, figs. 20, 23. 



"Shell acuminately oblong, compressly umbilicated, whorls 

 6 in number, somewhat rounded, smooth or concentrically 

 striated; transparent straw-color, polished. A very delicately 

 colored, transparent species." (Eve.} 



Shell subperforate, turrite-oblong, rather thin, striatulate, 

 slightly shining, diaphanous, whitish straw-colored. Spire 

 turrited, the apex rather obtuse. Whorls 6 to 6i/2> slightly 

 convex, the last a little more than one-third the total length, 

 rounded at base; columella somewhat straightened, vertical. 

 Aperture vertical, oblong; peristome simple, unexpanded, the 

 margins subparallel, columellar margin narrowly reflexed. 

 Length 7.33, diam. 3 mm., aperture 2.66 x 1.66 mm. (Pfr., 

 from specimen in Coll. Benson) . 



Western Himalayas: Landour, 4-7000 ft, elevation. 



Bulimus latebricola, Bens., REEVE, Conch. Icon, v, pi. 80, 

 f. 572 (Dec. 1849). PFR., Conchyl. Cab. p. 74, pi. 20, f. 5, 6; 

 Monogr. iii, p. 401. HANLEY & THEOBALD, Conch. Indica, p. 

 34, pi. 79, f. 7. 



Reeve's original figure is copied, fig. 23 ; also that of Hanley, 

 fig. 20. The species is not known to me by specimens. It 

 seems to be related to 0. davulinum, or perhaps 0. layardi, 

 with which Nevill associates it, Handlist Ind. Mus. 



VII. Chinese Species. 



The material is not extant, outside of the 'collections of 

 Heude and Gredler, for a revision of Chinese Opeas. That 

 part of the species are identical with those described from 

 other regions is probable ; and moreover it seems unlikely that 

 ho many distinct species exist. They are illustrated on plates 

 19 and 20. 



Opeas gracile is common in at least part of the ports of 



China. Achatina chinensis Pfr., which I have provisionally 



placed in Tortaxis (p. 6), may 'be an Opeas related to 



r<li or javanicum. Bulimus decorticatus Reeve, B. for- 



tunei Pfr. (see p. 34, 35) may also belong to Opeas. 0. pyr- 



in s. & B. (no. 71) has been reported from China. Prob- 



