102 GLESSULA, SUMATRA AND JAVA. 



80. G. VIRENS (Pfeiffer). 



Shell cylindrie-turrite, very thin, lightly striatulate, the 

 striae more distinct at the suture; very glossy, pellucid, 

 greenish-corneous. Spire long, gradually tapering above, the 

 apex rather obtuse; suture subcrenulate. Whorls 8, a little 

 convex, the last scarcely one-third the total length, more 

 convex. Columella very much arched, abruptly truncate. 

 Aperture vertical, irregularly oval; peristome simple, unex- 

 panded, the right margin lightly arcuate. Length 18, diam. 

 8, aperture 6x3.5 mm. (P/r.) 



Habitat unknown (Cuming coll.). 



Achatina virens PFR., P. Z. S. 1854, p. 125 ; Monogr. iv, 609. 



No other information has been published. 



V. Species of Sumatra, Java and Borneo. 



An undetermined species has been reported from Enganao 

 Island by Henderson, Nautilus xii, 1898, p. 16. 



81. G. SUMATRANA (Martens). PI. 14, figs. 4, 5. 



Shell sub conic-tur rite ; minutely, subirregularly striatulate, 

 glossy, bright chestnut, the apex paler. Whorls 7 to 8, con- 

 vex, separated by a rather impressed simple suture, the last 

 whorl gradually tapering at base. Aperture subvertical, 

 emarginate-piriform, three-eighths the total length; columel- 

 lar margin moderately excavated, spirally twisted, obliquely 

 and distinctly truncate below. Length 13.5, diam. 5, aper- 

 ture 4.66x2.5 mm. (Marts.) 



Sumatra: in the mountainous interior at Kepahiang 

 (Marts.); Padang Pandjang (Rolle). 



Cionella sumatrana MARTS., Preussische Expedition nach 

 Ost-Asien Landschnecken, p. 372, pi. 22, f. 5 (1867). 

 Achatina s., PFR., Monogr. vi, 225. Glessula s., ROLLE, 

 Nachrbl., 1908, p. 68. 



" The height of the visible part of the penultimate whorl 

 somewhat exceeds its breadth (diameter), and has the pro- 

 portion to the last whorl of 1 :!%. 



"This species is quite like some described by Benson from 



