187 
Descriptions. A.M.M., pp. 26, 30 ; R.A.M., Vol. i., pp. 78-80. 
Type . Australian Museum. 
Hob . On palms at the lower levels below 400 ft. 
Jaw (pi, xxii., fig. 4) small, rudimentary, thin, transparent, 
lunate, emarginate on anterior margin, with slight median pro- 
jection on lower margin, ends rounded. Larger specimens are 
contained in the collection than the one described in the £ Records/ 
one measures 27 mill, in length. 
5. Microcystis catletti, Brazier, 1872. 
(Plate xxi., fig. 5.) 
Descriptions. Brazier, P.Z.S., 1872, p. 617 ; Pfr., Mon. Hel. 
Viv., Vol. vii., p. 61 ; Brazier, Aust. Mus. Mem. 2, pp. 26, 29. 
Type. Australian Museum. 
flab. Rabbit Island. 
var . major, 7 iov . var . 
Larger than type, columellar margin furnished with a tubercle. 
Diam, maj. 11, min. 10, alt. 6 mill. 
Type. Australian Museum. 
I fab. The Old Settlement. 
6. Citaropa textrix, Pfeiffer , 1855. 
Illustrations. K lister’s Conch. Cab. pi. 162, figs. 1117 ; Tryon, 
Man. Conch, ser. 2, Yol. iii., pi. 7, figs. 2 — 4. 
Descriptions. Pfr., P.Z.S., 1855, p. 92 ; Pfr., Mon. Hel. Viv., 
Vol. iv., p. 87 ; Tryon, Man. Conch. 2-3-35; Brazier, Aust. Mus. 
Mem. 2, pp. 26, 30. 
Type. British Museum. 
I lab. The summit of Mount Gower. 
If. pinicola , Pfr., from the Isle of Pines, a dependency of New 
Caledonia, is a near ally of the preceding species, and supports 
the argument advanced under the head of / > . bivaricosus on 
behalf of a recent land connection with New Caledonia, ft is 
incorrectly (Mon. Hel. Viv., Vo \. iv., p. 106) stated to inhabit 
Lord Howe. 
7. C. cimex, Pfeiffer , 1854. 
Illustrations. Reeve, Conch. Icon, vii., pi. 201, fig. 1411; 
Tryon, Man. Conch., ser. 2, Vol. 3, pi. 52, fig. 4. 
Descriptions. Pfr., P.Z.S., 1854, p. 288 ; Pfr., Mon. Hel. Viv., 
Vol. iv., p. 104; Tryon, Man. Conch. 2-2-170; Brazier, Aust. 
Mus. Mem. 2, pp. 26, 30. 
Type. British Museum. 
Ilab. Lord Howe. (?) 
