GASTROPODA. 383 



Dentition similar to that of maculata, maculosa, and viryata, figured 

 by Hutton ; the central tooth tricuspid, laterals with two cusps, the 

 inner one slightly shorter. 



Type in the Mus. Hist. Nat., Paris. 



Hab. Campbell Island ; between tide-marks on rocks and sea- 

 weeds in Perseverance Bay (Filhol, Captain Bollons). 



'2. Cominella costata, Quoy and Gaimard, 1833. Plate 45, fig. 4. 



Bucciniun costatum, Q. & G., Voy. Astrol., ii, 1833, 417, pi. 30, f. 17, 18; 

 Reeve, Conch. Icon., iii. f. 20. Cominella costata, Q. & G. : Tryon, 

 Man. Conch. (1), iii, 205, pi. 81, f. 430, 434 ; Suter, T.N.Z.I., xxxviii, 

 330 ; Iredale, T.N.Z.I., xl, 383. Buccinum eburneum, Reeve, Conch. 

 Icon., f. 93. Cominella Angasi, Crosse, J. cle Conch., 18(54, 275, pi. 11, 

 f. 5 (a dark variety). 



Shell rather small, fusiform, with an acute turreted spire, spirally 

 grooved and axially costate, solid. Sculpture consisting of flattish 

 cinguli, narrower on the shoulder, broader below it, the interstices 

 consisting of narrow grooves ; upon the base the cinguli are usually 

 slightly raised and rounded, the interspaces broader ; axial sculpture 

 formed by broad rounded axial ribs, sometimes continuous over the 

 whorls, much raised at the carina of the shoulder and below it ; they 

 extend over all whorls, getting obsolete on the base ; the spiral sculp- 

 ture continued over the ribs, which number about 12 on the pen- 

 ultimate whorl. Colour yellowish-brown or cinereous, tesselated with 

 revolving series of reddish-brown oblong spots, sometimes confluent 

 into lines ; aperture light purple or whitish within ; lip and columella 

 fawn-colour. Spire elevated conic, turreted, of the same height as 

 the aperture ; outlines straight. Protoconch minute, globular, of 1^ 

 smooth whorls. Whorls 7, the last high, nodulously keeled, slightly 

 concave on the shoulder, somewhat convex below ; base a little con- 

 tracted. Suture not deep, sinuous. Aperture subvertical, narrowly 

 oval, channelled above, with a slightly oblique wide-open canal below, 

 its base deeply notched. Outer lip sharp, lightly sinuated, thickened 

 inside, smooth or lirate. Columella vertical, very little concave, stout, 

 and broadly rounded. Inner lip spread broadly over the columella 

 and over the parietal wall, which bears a distinct callosity close to the 

 suture ; below the lip is narrowed to a lamella, forming the inner 

 margin of the canal. Fasciole prominent, keeled on the outside. 

 Operculum horny, oval, dark brown, with an apical nucleus. 



Diameter, 12-7 mm. ; height, 29-5 mm. (type). 



Dentition unknown. 



Type in the Mus. Hist. Nat., Paris. 



Hab. A specimen from New Zealand, which I have seen, is in 

 the British Museum. Shag Point (Iredale). The type is from King 

 George Sound, Australia. 



Fossil in the Pliocene. 



