CYCLOPHORID A, 101 
6. Purina THomsont. B. M. 
Shell imperforate, pupa-shaped, extremely thin, smooth, pellucid, 
pale reddish horn-coloured; spire ovate-conical, with the apex 
rather blunt; suture not callous ; whorls 6, the upper ones convex, 
the penultimate rather flat, the last narrower ; aperture nearly 
circular, with two channels produced at its base beyond the axis; 
peristome slightly thickened, with the body-margin terminated 
on the right side into a tongue-shaped appendix, separated by 
a narrow equal sinus from the right margin, which is sinuate ; 
columellar margin truncated, forming with the basal margin a 
channel, which is bordered by two callous bands diverging up- 
wards. Length 83, breadth 4 mill. 
Pupina Thomsoni, Forbes, in Voy. Rattlesnake, App. p. 381, t. 3, 
f.2; Pfr. Pnewm Mon. p. 142. 
Hab. Fitzroy Island, north-east coast of Australia (Macgillivray). 
7. PUPINA BICANALICULATA. B. M. 
Shell ovate-acuminate, rather thin, pellucid, smooth, shining, ful- 
vous er glassy; whorls 6, the last shorter than the spire, descend- 
ing regularly ; suture distinct, impressed; aperture nearly per- 
pendicular, circular, with two channels, the upper of which is 
formed by a small raised lamina on the body of the penultimate 
whorl near the insertion of the right margin; columella very 
narrowly carved obliquely ; peristome simple, with the right 
margin indistinctly thickened. Length 63, breadth 4 mill. 
Pupina bicanaliculata, Sow. in Proc. Z. S. 1841, p. 103; Thes. n. 9, 
p. 19, t.4, £1; Pfr. Ic. p. 204, t. 27, £19, 20; Gray, Cat. Cyel. 
p- 33,n.1; Pfr. Consp. n. 209; Pnewm. Mon. p. 143. 
Hab. The Philippine Island of Zebu (H. Cuming). 
8. Purina KERAUDRENXI. 
Shell pupa-shaped, diaphanous, smooth, very shining, yellowish- 
white ; apex rather blunt; whorls 5, the last shorter than the 
spire, descending obliquely ; suture callous ; aperture perpendi- 
cular, circular, with a slight upper channel formed by a minute 
lamina on the body of the penultimate whorl; columella carved 
Se eal peristome simple, blunt. Length 6!, breadth 3} 
mill. 
Pupina Keraudreni, Vignard, in Ann. Se. Nat. xviii. p. 440, t. 11; 
Sow. in Proc. Z. S. 1841, p. 103; Thes. n. 8, p. 19, t. 4, £.3; 
Pfr. Ic. p. 206, t. 27, f. 23,24; Gray, Catal. Cycl. p. 33, n. 4; 
Pfr. Consp. n. 210; Pneum. Mon. p. 148. 
Pupina mitis, Hinds, in Ann. and Mag. x. p. 83, t. 6, f. 7. 
Hab. New Guinea (Vignard); New Ireland (Hinds); and Salomon 
Islands. 
K 2 
