AMPIIIDROMUS, GROUP VI. 177 



are faintly margined with pale yellow, and between the varix on the 



back of the last whorl and the lip the surface is whitish, the purple- 



brown markings which occur on the rest of the whorl ceasing at the 



varix. This species sometimes attains larger dimensions than those 



given above, the finest specimen having a length of 54 mill." 



(Smith.) 



A. COCHIXCHIXENSIS (Pfeiffer). PI. 54, fig. 09. 



Shell impertbrate, fusiform-ovate, solid, smooth, glossy, pale sul- 

 phur-colored or whitish. Spire a little convexly turreted, the apex 

 somewhat obtuse, suture ligbt, pale. Whorls 6 to 7, the upper a little 

 flattened, the following more convex, last whorl about two-fifths the 

 total length, tapering at base, subcompressed. Columella cord-like, 

 slightly twisted. Aperture a little oblique, elliptic-oval ; peristome 

 somewhat thickened, the right margin narrowly expanded, columellar 

 margin dilated, adnate. Length 39, diam. 17, aperture 18-19 mill. 

 (Pfr.). Cochin China (Plr.). 



Buliinus cochinchinensis PFH., P. Z. S., 1850, p. 331 ; Monogr. iv, 

 p. 373 __ Amphidromus cochinchinensis Pfr., FCLTOX, Ann. Mug. 

 X. H. (0), xvii, 18'JC, p. Ol), pi. 6, f. 6. 



Mr. Fulton has figured the type of this species. He remarks: "A 

 cylindrical elongated form of a uniform pale yellow color. May pos- 

 sibly prove to be but a variety of perversus." 



A. CAMBO.JIKXSIS (Reeve). PI. 59, fig. 32. 



Shell dextral or sinistral, oblong-conic, solid, striatulate; whitish, 

 irregularly marbled with flames and streaks of brown. Spire thick, 

 terminating in a rather obtuse cone. Whorls 8, the upper ones flat- 

 tened, last 3 more convex, the last whorl about equal to three-sevenths 

 the length, distinctly striate. Columella thick, somewhat twisted, 

 white. Aperture oblique, oval, deep purple inside, glossy; peri<toun> 

 thickened, expanded, white, the margins joined by a thick, while cal- 

 lus. Length 70, diam. above aperture 3"2, aperture 33 mill, long 



Breluni, in the Stiengs country, or Moi, on the eastern frontier of 

 French Corliinchina, GO leagues north of Saigon (Morelet) !<'<ii>t- 

 bodia ( Mouhot). 



Bulimus camboj/etisis KKEVK, Ann. Mag. N. H. (3), vi, p. 204 

 (Sept., 1SGO); and in Mouhot's Travels in the central parts of Irdo- 

 China, etc., ii, p. 185. PI--R., Malak. Blatter, 1801, p. 11; Monoirj-.. 

 12 



