CANTHARIDUS. 135 



striate and with distant superficial linear sulci, 4 to 6 in number on 

 the penultimate whorl ; whorls about 7, a trifle convex, the last 

 rcHinded or subangulated at periphery ; aperture ovate, angular 

 above, broadly rounded beneath, iridescent and sulcate within, col- 

 umella arcuate, dentate below. 



Alt. 23, diam. 11 mill. ; alt. 14, diam. 7 mill. 



S. Australia. 



T. leucostigma Mke. in Philippi, Abbild. u. Beschreib, ii, Trochus 

 t. 7, f. 7.— Phil., Conchyl. Cab., p. 138, t. 23, f. 16.— Fischer, Coq. 

 Viv., p. 158, t. 52, f. 1. — T. leucostigmus Kiener, Spec, et Icon, 

 genre Troque, t. 52, f. 1. — T. gracilis Anton in Philippi, Conchyl. 

 Cab., p. 140, t. 23, f. 20.— Fischer, Coq. Viv., p. 156, t. 51, f. 2.— 

 T. nitidus Kiener, Species et Icon., t. 51, f. 2 (not described). 



Var. gracilis Anton. PL 45, fig. 50. 



Small, slender, like C. leucostigma, but lacking white markings on 

 the spire. Alt. 17, diam. 7 mill, or smaller. 



As Fischer remarks, this variety is like a miniature C. badius in 

 coloration. 



C. NiTENS Kiener. PI. 46, fig. 77. 



Shell imperforate, conic-pyramidal, elongated, acute, whorls 7 to 

 8, shining, buff" or ashen, elegantly variegated with minute spots of 

 violet and white ; embryonic whorls smooth, the following planulate, 

 sometimes prominent and dilated above the sutures, encircled by 

 about 6 Vivx, the interstices striated ; last whorl carinated, encircled 

 by a larger rib at the margin, slighily convex beneath, and orna- 

 mented with 8 beautifully red-spotted concentric \irse ; columellar 

 area margined with reddish-violet. Aperture rhomboidal ; columella 

 white, arcuate, dentate at base. Alt. 15, diam. 11 mill. (Fischer.) 



A^istralian Coast; Kangaroo Id. 



T. nitens, Kiener, Species et Icon., t. 45, f. 4. — Fischer, Coq. Viv., 

 p. 132, t. 45, f. 4. — T. lepidus Koch in Philippi, Conchyl, Cab., p. 



84, t. 15, f. 4. (?) 



This species is remarkable in its polished shell, elegantly variegated 

 with red, violet and white, and the deep red color of the base and 

 columella. It was discovered by Peron and Lesueur, naturalists of 

 Captain Baudin's expedition to Southern lands. The individual 

 figured by Kiener is a little adnormal ; its whorls project too much 



