140 AMPHIDKOMUS, GROUP III. 



A. JAVANICUS (Sowerby). PI. Gl, figs. 50, 51. 



Shell either sinistral or dextral, imperforate or nearly so, solid, 

 ovate-pyramidal, closely streaked with dull crimson, chestnut and 

 blackish on an olivaceous buff, ochre-tinted or livid ground, the 

 streaks often broken into a mottled pattern ; early whorls and a 

 border below sutures white . pink or pale; several blackish varices 

 followed by whitish streaks generally present, but inconspicuous in 

 the general strigation. Surface glossy, distinctly striate. Spire 

 rather straightly conic; whorls 6-5 7iy, slightly and equally convex, 

 separated by moderately impressed sutures marked with a white 

 hair-line. Aperture but slightly oblique, ovate, bluish inside ; peri- 

 stome white, expanded, subreflexed, blunt at the edge ; columella 

 nearly straight; parietal callus white, deeply entering. 



Alt. 50, diam. 26^, longest axis of aperture 26^ mill, (dextral). 



Alt. 52, diam. 26, longest axis of aperture 26^ mill, (sinistral). 



Alt. 62, diam. 31, longest axis of aperture 32 mill, (sinistral). 



Java : near Paia/man, in the southwest (Prof. E. v. Martens). 



Bulinus javanicus SOWB., Conch. Illustr., Bulinus p. 6, fig. 35, 

 35* (1841). Amphidromus javanicus Sowb., FULTON, Ann. Mag. 

 N. H. (6), xvii, 1896, p. 73 Bulimus loricalus PFR., P. Z. S., 



1854, p. 293; Monogr., iv, 372; vi, 16 MARTENS, Ostas. Land- 



schn., p. 339, pi. 22, f. 2. 



The much and evenly streaked and often in places mottled color- 

 pattern, distinguishes this from other striate Javan species, while the 

 streaked forms of A. interruptus, inversus, etc., are distinctly smoother. 

 Sowerby did not describe javanicus, but his illustration is character- 

 istic, the locality Java being given. No locality for loricalus Pfiv 

 was known until Dr. von Martens found it near Palabuan. 



3. Group of A. beccarii. 



A. BECCARII (Tapparone Canefri). PL G8, figs. 21, 22 



Shell compressed-subumbilicate, fusiform-oblong, sinistral, longi- 

 tudinally obliquely wrinkle-plicate, rather glossy, whitish-buff. Spire 

 elevated-conic, the upper whorls more or less maculated with brown- 

 ish, apex rather acute. Whorls 6, a little convex, separated by an 

 oblique, appressed and submarginate suture, the last whorl large, 

 rather convex, somewhat tapering below. Aperture ovate-oblong, 

 nearly vertical, as long as the spire, whitish in the throat; peristome 



