Epifonium.] GASTROPODA. 32 1 



2. Epitonium philippinarum, Sowerby, 1844.. Plate 46, fig. 6. 



Scalaria philippinarum, Sow., P.Z.S., 1844, 12 ; Thes. Conch., i, 86, pi. 32. 

 f. 1-3 ; Conch. Icon., xix, pi. 4, f. 21 ; Man. Conch. (1), ix, 66, pi. 13. 

 f. 18, 19 ; Pritchard and Gatliff, P.R.S. Vic., xiii (n.s.), 144. 



Shell rather small, fairly thin, sernitransparent, imperf orate. 

 Sculpture consisting of distant, axial, sharp, and elevated lamellar 

 ribs, angularly produced above, continuous over the whorls and the 

 suture, about 10 on the last whorl, continued over the base ; interstices 

 smooth and polished. Colour uniformly white or fulvous between the 

 lamellae. Spire sharply conic, about twice the height of the aperture ; 

 outlines straight. Protoconch small, of 1 convex and pointed whorl. 

 Whorls 1 to 8, convex ; base rounded. Suture very deep. Aperture 

 slightly oblique, oval. Peristome continuous, thickened outside by a 

 strong varix formed by the last axial rib, pointed below the suture 

 and the columella, broadened over the umbilical tract. Columella 

 short, arcuate, and rounded. Operculum unknown. 



Diameter, 5 mm. ; height, 14 mm. Angle of spire, 27. 



Animal unknown. 



Type in the British Museum. 



Hob. - - Bay of Islands ; Waiwera ; Rangitoto Channel, in 

 4 fathoms (H. S.). Found also in Australia, the Philippine Islands, 

 Amboina, &c. 



3. Epitonium Jukesianum, Forbes, 1852. Plate 46, fig. 7. 



Scalaria Jukesiana, Forbes, Voy. " Rattlesnake," ii, Append., 383, pi. 3, f. 7 : 

 Conch. Icon., xix, pi. 11, f. 80; Man. Conch. (1), ix, 66, pi. 14, f. 20; 

 Button, P.L.S. N.S.W., ix, 943. Scala Jukesiana, Forbes : Pritchard 

 ' and Gatliff, P.R.S. Vic., xiii (n.s.), 143. Scalaria delicatula, Crosse and 

 Fischer, J. de Conch., 1864, 347 ; 1865, 42, pi. 3, f. 9, 10 : Couch. 

 Icon., xix, pi. 15, f. 115 : Man. Conch. (1), ix, 69, pi. 14, f. 39. 

 S. wellingtonensis, T. W. Kirk, T.N.Z.I., xii, 1879 (1880), 307. 



Shell rather small, turreted, white, translucent, slightly polished, 

 irnperforate. Sculpture consisting of numerous axial, lamellose, and a 

 little reflexed ribs, slightly produced above, continuous over the whorls, 

 about 20 on the last whorl, interstices smooth, the sculpture extending 

 over the whole of the base. Colour pure-white. Spire high conic, 

 about three times the height of the aperture ; outlines straight. 

 Protoconch consisting of 3 slightly convex smooth whorls. Whorls 11, 

 convex ; base rounded. Suture deeply impressed, the costse continued 

 over it. Aperture oblique, orbicular. Peristome continuous, but thin 

 over the parietal wall, thickened outside by the last riblet, edge blunt, 

 rounded, expanded on the umbilical tract. Columella short, arcuate. 

 Inner lip not reflexed, sharp. Operculum unknown. 



Diameter, 4 mm. ; height, 13 mm. Angle of spire, 28. 



Animal unknown. 



Type in the British Museum. 



11 Moll. N.Z. 



