1052 
MALAYSIAN LAND AND FRESHWATER MOLLUSCA, 
S. DENSESPiRATA, Mouss. = densespiratus, Mouss. Jour. 
Conch. VI. 1857, p. 159 ; Pfr. Mon. Hel. IV. p. 497. 
Buitenzorg, Java. 
S. ACUTissiMA, Mouss. = acutisswius, Mouss. Jour. 
Couch. VI. 1857, p. 159; Pfr. Mon. Hel. IV. p. 453. 
Buitenzorg, Java. 
S. LAxispiRA, von Mart. Ostas. Zool. II. p. 373, pi. 22, fig. 14 
= Bulimus laxispirus, Pfr. Mon. Hel. VI. p. 92. 
Sumatra. 
S. HOCHSTETTERi, Zelebor, Bulimus Tiochs tetter i, Zeleb. Reise 
tier Freg. “Novara;” Pfr. Mon. Hel. VI. j). 107. 
Java. 
S. ACHATiNACEA, Pfr.= Bulimus achatinaceus, Pfr. Symb. III. 
p. 82; Mon. Hel. II. p. 156. 
Java; Borneo. 
15. Rhodina, De Morgan, Le Naturaliste, 1885, p. 68. 
Shell cylindraceous, striate ; whorls numerous, last much larger ; 
aperture triangular ; columella reflected, very prominent ; peri- 
stome continuous. 
M. de. Morgan has founded this new genus for a curious shell 
like Stenogyra. He thinks it is related to Rhodea by the absence 
of keel and the cornet-like aperture. 
Rhodina perakensis, De Morgan, l.c. 
Shell cylindrical, fragile, horny, yellow, with 10 regularly in- 
creasing whorls very regularly and distinctly striate, the suture 
linear and well marked ; the aperture triangular, oblique ; 
peristome thin, not reflected. 
Long. 25, diam. of last whorl 4^, long, of aperture 5, lat. 3 mill. 
Limestone rocks of Gunong Tcheura, near Ipoli, Kinta Valley, 
under dead leaves. 
