1022 
MALAYSIAN LAND AND FRESHWATER MOLLUSCA, 
N. RIEDELII, von Martens, Monatsber. Ak. Beilin, 1 8th April, 
1864, p. 264 ; Ostas. Zool. II. p. 213, pi. 8, fig. 5 = Rdix riedelii, 
Pfr. Mon. Hel. V. p. 131 = H. securiforniis, Mousson, not 
Deshayes = Cochlostyla riedelii, Paetel, 
Menado, Celebes. 
N. CYMATIUM, Benson, = Helix cymatium, Benson, MS ; Pfr. 
Novit. Conch. I. p. 58, No. 95, pi. 17, figs. 1-2 =Nanina cyma- 
tium (^Hemiplecta), Pfr. Vers. p. 121 = Helix cymatium, Pfr. 
Mon. Hel. IV. p. 109. 
Lancavi Island, Straits of Malacca ; Penang and Perak, Malay 
Penin.sula. 
N. CHEVALIERII, Souleyet,= Helix chevalierii. Soul, in Revue 
Zool. 1842, p. 101 ; Voy. Bonite II. p. 504, Atlas, pi. 28, figs. 24- 
26; Pfr. Mon. Hel. I. p. 120 = Aa?zw« chevalierii, Albers, 
Heliceen. 
Tiieonly locality given in the “Voyage de la Bonite” is Peninsula 
of Malacca. 
N. SCHUMACHERIANA (Heli.x), Pfr.= Helix dema, Adams and 
Reeve, Voy. of Sainarang, Moll. p. 62, pi. 16, fig. 8 ; Chemn. 
2nd edit. Helix No. 954, pi. 145, figs. 5-7 = //. schumacheriana , 
Pfr. Zeitschr. fr. Malak. 1850, p. 70 = H. densa, Pfr. Mon. Hel. 
III. p. 111. 
Philippines ; Boimeo. 
N. CELEBENSIS, Pfr. = celeheiisis, Pfr. Jour. Conch. X. 
1862, p. 229, pi. 10, fig. 8; Sowerby, Jour. Conch. XV. 1867, 
p. Ill (Char, emend.); Pfr. Mon. Hel. V. p. 71. 
Rhwo (Rhio ?) Island, Celebe.s. 
N. VIRENS, von Martens, Ostas. Zool. II. p. 237 ~1 Helix 
tumens, Pfr. Mon. Hel. III. p. 43 ; Reeve, Conch. Icon. fig. 477 
(also cited for H.cidaride) = Hanina virens, von Martens, Ostas. 
Zool. II. p. 237 = Helix virens, Pfr. Mon. Hel. V. p. 73. 
Sumatra. 
