TURBO. 203 



Section 3. Ocana. 



41. ciDARis, pi. iv. f. 35, and viii. 82, Gmelin, Syst. 

 Nat. p. 3596 — Delessertii, Kiener. — Testa suborbicularis, 

 subumbilicata, rufo-fusca, maculis albidis radiata et zunata ; 

 spira depressiuscula; anfractus rotundati Isevi ; apertura siib- 

 circularis, intus argentea ; peristoma simplex ; columella 

 concavo-effusa. Opercidum extus albidum, late umbilicatum, 

 umbilicum perspectivum, ubiqne spinis minutissimis aculcatis 

 asperatum, costa lata subcentrali, et lira unica marginali 

 munitum. — A very distinct Eotella-like species, allied in 

 general appearance to T. natalensis, a ribbed species, of which 

 it might have been considered a smooth variety ; its oper- 

 cidum, however, is quite different, so that the two species 

 have been placed in different genera. — Hab. Cape of Good 

 Hope. 



42. ciECULARis, pi. iv. f. 37, Reeve, Conch. Icon. f. 46 — 

 Gruneri, Philippi. — Testa suborbicularis, imperforata, al- 

 bida, rosaceo-fusco alboque marmorata, spira breviuscula ; 

 anfractus superne depressi, liris elevatis obtuse nodiferis 

 alternatira majoribus cingulati ; apertura subcircularis, 

 columella arcuata, plano-concava. — A strongly ribbed species 

 somewhat allied to T, natalensis, but quite distinct. — 

 Hab. Swan Eiver, Australia. 



Section 4. Sarmaticus. 



43. SARMATICUS, pi. V. f. 43, Linnceus, Syst. Nat. (12th 

 edit.), p. 1235— Sarmaticus classarius, Gray. — Testa sub- 

 orbicularis, ventricosa, imperforata, aurantio-flavidula, nigro 

 et fusco-rubro radiata et fasciata ; spira brevissima ; anfractus 

 superne depressiusculi, deinde convexi, plus rainusve spiraliter 

 lirati ; anfractus ultimus plerumque conspicue triangulatus, 

 plus minusve nodulosus ; apertura expansa ; labrum nigro- 

 limbatum ; columella plano-expansa, ad basin effusa. Oper- 

 culum extus album, tuberculis copiosis elevatis, conglomeratis 

 peculiariter cristatum. — A well-known species, commonly 

 uncoated and polished for ornamental purposes. It has a 

 very peculiarly tufted operculum. — Hab. South Africa. 



44. NATALENSIS, pi. V. f. 44, Recve, Conch. Icon. sp. 1. 

 — Testa orbicularis, depressiuscula, subumbilicata, nitida, 



