1026 
MALAYSIAN LAND AND FRESHWATER MOLLUSCA, 
N, (Sit ala) carinifera, Stol. Jour. As. Soc. Bengal, XLII. 
1873, p. 16, pi. I, fig. 8 ; Godwin-Austen, Land and Freshw. 
Moll. Ind. II. 1882, p. 35. 
Penang. 
6. Trochonanina, IMousson, 1869. Jour. Conch, 1869, p. 330. 
The author states that certain Helices should be separated from 
the genus Trochomorpha, Albers (Heliceen, p. 60), under the 
name of Trochonanina^ distinguished by an upper surface more 
or less sculptured, base polished with a callosity at the insertion 
of the columella. 
Trochonanina ly'chnia, Benson, = Helix lychnia, Benson, 
Ann. and Magaz. Nat. Hist. 2nd series, X. 1852 ; Pfr. Mon. Hel. 
III. p. 626= T. lyclieria, Pfr. Nomen. Hel. Yiv. p. 57, No. 113. 
Island of Singapore. 
T. TROPIDOPIIORA, Adams and Reeve, = Helix tais, Hombron 
et Jacquinot, Voy. Pole Sud, Atl. Livr. 22, pi. 7, figs. 42-45; 
Chemn. 2nd edit. Helix No. 782, pi. 125, figs. 32-33 = H. thais, 
Pfr. Zeitschr. f. Malak. 1849, p. 68=^. tropidophora, Adams 
and Reeve, Voy. Samarang, Moll. p. 59, pi. 14, fig. 14 = ^. 
tais, Pfr. Mon. Hel. III. p. 37. 
Islands of Marquesas ; Borneo. 
T. CONICOIDES, Mete. = Helix conicoides, Mete. Proc. Zool. 
Soc. 1851 ; Chemn. 2nd edit. Helix No. 1020, pi. 153, figs. 
20-21 ; Pfr. Mon. Hel. III. p. 37. 
Borneo. 
T. JENYNSI, Pfr. = Helix jenynsi, Pfr. Proc. Zool. Soc. 1845, 
p. 131 ; Phil. Icon. II. 11, p. 86, pi. 7, fig. 8; Pfr. Mon. Hel. 
I. p. 81. 
Java; New Hebrides. 
