126 CANTHARIDUS. 



ish inside ; columella vertical, slightly arcuate, straight in the 

 middle ; parietal wall covered by a light callous. 



Alt. 14-17, diam. 9-11 mill. 



Southern Australia; Northern Tasmania. 

 T. jndcherrim.us Wood, Ind. Test, suppl., t. 6, f. 45. — Philippi, 

 Abbild. u. Beschr., ii, Trochus t. 7, f. 1 ; Conchyl. Cab., p. 132, t. 23, 

 f. 4, t. 43, f. 11.— Fischer, Coq. Viv., p. 137, t. 46, f. 4.— T. preissii 

 Mke., Moll. Nov. Holl. Sp., p. 17.— T. jniella Phil., Zeitschr. f. 

 Mai., 1851; Conchyl. Cab., p. 327, t. 46, f. 12.— Thalotia marice 

 Tenison-AVoods, Proc. Roy. iSoc. Victoria, xiv, p. 58 (1877). 



Separated from C. purpuratus by the smaller size, thicker shell, 

 coarser, more unequal ribs and crimson j^eristome ; from C. lesueuri 

 by the much coarser sculpture. 



C. lesueuri Fischer. PI. 45, figs. 52-54 ; pi. 34, figs. 9, 10. 



Shell imperforate, elongated conical, somewhat solid, wliitish or a 

 little tinged with olive, painted with numerous rather narrow lon- 

 gitudinal (jlive-browu or reddish-brown stripes generally broken into 

 tessellations on the base ; spire long, apex subacute, whitish ; sutures 

 moderately impressed ; whorls about 7, flat or concave below the 

 sutures, convex and swollen at the periphery and above each sut- 

 ure, encircled by numerous fine lirse ; last whorl a trifle deflexed at 

 aperture, often subangular at the periphery ; aperture rhomboidal, 

 less than half the total length of shell ; peristome rather thin, acute, 

 edged by a row of red dots, thickened a little distance within, the 

 thickening finely crenulated ; columella vertical, marked with 

 crimson at the outer base. Alt. 13-19, diam. 10-11 mill. 



S. Australian Coasts ; Tasmania. 



T. lesueuri Fischer., Coq. Viv., p. 129, t. 45, f. 2. — Brazier, 

 Proc. Roy. Soc. Tasm., 1886, p. 194. — Phasianella elegans Lam., 

 An. s. Vert., iii, p. 53 (1822). — Trochus elegans, Kiener, Spec, et 

 Icon. Coq. Viv., t. 45, f. 2 (not T. elegans Gmel.). — T. lehmanni 

 Mke., Moll. Nov. Holl., p. 18 (1843).— Philippi, Abbild. u. Besch- 

 reib., ii, Trochus t. 7, f 2 (not T. lehmanni Kiener). — T. pictiis 

 Philippi, Conchyl. Cab., p. 139, t. 23, £ 18, W.— Thalotia picta 

 Angas, p. Z. S., p. 179 (1865). (Not T p ictus Wood.) 



This species is characterized by its fine spiral striation, whorls 

 swollen at the periphery, and more or less red-edged peristome. In 

 some specimens the longitudinal color streaks are quite broad ; the 

 base is alm)st always finely te-!sellated, and the lower part of the 



