CANTHARIDUS. 141 



C. CIXGULATA A. Adams. Unfigured. 



Shell pyramid al-turbinate, narrowly perforate, thin, .shining, 

 purplish, the base whitish, with a series of rufous spots ; whorls 4, 

 plane, marked with distant elevated cinguli (3 on the last whorl) ; 

 base concentrically deeply lirate ; umbilical region surrounded by 

 an elevated ridge. (Ad.) 



Port Essington. (Cuming.) 



Leiopyrga eingulata A. AD., P. Z. S., 1863, p. 507. 



This is a second and very distinct species of a genus proposed by 

 my brother and myself under the name of Leiopyrga. The present 

 species has the whorls encircled with three transverse ridges, and 

 there is a conspicuous ridge around the region of the umbilicus. 

 {Adams.) 



Subgenus THALOTIA Gray, 1847. 

 Section THALOTIA (restricted). 



Thalotia GRAY (" Synops. Brit. Mus. 1840"?) P. Z. S. 1847, p. 

 145; Guide syst. dist. Moll. Brit, Mus., p. 150. (1857). H. and 

 A. AD., Genera, i, p. 420. FISCHER, Manuel, p. 819. 

 C. CONICUS Gray. PI. 46, fig. 73. 



Shell imperforate, elevated conical, solid, pinkish or grayish 

 white with crimson apex and numerous close longitudinal dark red- 

 dish-brown stripes, often cut into tessellations by the spiral grooves 

 of the surface ; spire straightly conical ; apex acute ; sutures linear ; 

 whorls about 7, nearly planuhite, the last obtusely subangular at 

 the periphery ; whorls of spire encircled by 5 or 6 more or less 

 granose lirre, last whorl with about 13 or 14 ; wrinkles of increment 

 more or less prominent ; aperture rhomboidal ; peristome thick, 

 plicate within ; columella straight, denticulate, with a strong basal 

 truncation. Alt. 18, diam. 13 mill. ; alt. 21, diam. 15 mill. 



Western Australia, Southern Australia and Northern Tasmania. 



Monodonta coniea GRAY, in Capt. King's Survey of Australia, ii, 

 p. 479 (1827). T. conicus PHILIPPI, Conchyl. Cab. p. 130, t. 23, 

 f. 1. FISCHER, Coq. Viv. p. 135, t. 46, f. 2. BRAZIER, Proc. Roy. 

 Soc. Tasmania, 1886, p. 197 (1889). 



Thalotia coniea AXGAS P. Z. S. 1865, p. 179. f f T. pictus 

 WOOD, Index Test, suppl. t, 5, f. 28. Thalotia pieta A. AD. P. Z. S. 

 1851, p. 172. ANGAS, P. Z. S. 1865, p. 179. TENISON-WOODS, 



