18. D. chordata, Pfeiffer, var. beta, Pfr , 1855. 
Descriptions, Pfr., P.Z.S., 1855, p. 105; Pfr., Mon. Pneu. Viv., 
Vol. ii., p. 13 ; Hutton, Manual N. Z. Mollusca, p. 38 ; Hutton, 
Trans. N.Z. Institute, 1883, Vol. xvi., p. 210. 
Type. British Museum. 
Ilab. Lord Howe Island. 
The type was originally reported from New Zealand, but 
modern collectors have not confirmed the statement. 
19, D. cantori, Pfeifer, 1856. 
Descriptions. Pfr., P.Z.K., 1856, p. 336 ; Pfr., Mon. Pneu. Viv 
Vol. ii., p. 12. 
Type. British Museum. 
Hah. Lord Howe Island. 
T have no knowledge of this species. 
20. Omphalotropis ppeifferi, Crosse, 1868. 
Illustration, Crosse, Journ. de Conch., Vol. xvii., 1869, pi. 12, 
hgs. 7, 7. 
Description. Op. cit. Vol. xvi., p. 178 ; Pfr., Mon. Pneu. Viv., 
Vol. iv., p. 226 ; Brazier, Aust. Mus, Mem. 2, p. 30. 
Type, Crosse’s Collection. 
flab. On leaves of trees and on palm fronds, very plentiful. 
21. Realia exquistta, Pfeiffer , 1854. 
(Plate xxi., fig. 8.) 
Descriptions. Pfr., P.Z.S., 1854, p. 307 ; Pfr., Mon. Pneu. Viv. 
Vol. ii., p, 162. 
Type. British Museum. 
Ilab. Lord Howe Island. 
This is the Realia to which allusion is made on p. 27 of “Lord 
Howe Island,” Mr. Brazier informs me that Ilydrocena acnti- 
liriata , Pfr., and Helicina zebriolata , Pfr. are natives of the New 
Hebrides, and were wrongly assigned to Lord Howe Island. The 
error probably originated with Cuming who confused the localities 
furnished by MacGillivray. 
22. Bythinella whiteleggei, Brazier , 1889. 
Illustration , Brazier, Aust. Mus. Mem. 2, pi. 4, figs. 17, 18, 
(reversed). 
Type. Australian Museum, 
