220 TURBO. 



a neat form, very regularly conical, with more delicate and 

 regular sculpture, and two rows of small regular scales at the 

 margin. Fig. 110 is a young shell which has been mistaken 

 for T. aculeatus of Eeeve. 



104. TUBEROSUS, pl.ix.f. l04:,Philippi (Trochus) — petrosus, 

 Martyn, Abbild. und Besch. Conch, vol. i. p. 62, pi. ii. — 

 Testa subobtuse conica, spadiceo-alba, infra leviter convexa, 

 imperforata ; anfr. circ. 6, convexo-declives, plicato-corru- 

 gati, inferne angulati, plerumque squamis brevibus aculeatis 

 biseriatim armati ; basis circulariter squamato-lirati, callo 

 centrali albo, vel purpureo ; apertura subcircularis, argentea ; 

 columella arcuata, ad basin uniplicata ; labrum crenulatum. 

 Operculum extus album vel purpureo tinctum, obscure mal- 

 leatum, tumidum, ad peripheriam attenuatum. — Nearly allied 

 to T. hccmatragus, of which it may possibly be considered a 

 variety, but distinguished by its more obtuse form, and the 

 comparative smallness and closeness of the scales. Our 

 specimen has a white callosity, but in other respects it is 

 identical with the type, in which the callosity is reddish 

 purple as in T. hcematragus. 



105. PAPiLLATUS, pi. ix. f. 101, 109, Potiez and Michaud 

 (Trochus), Graler. des Moll, du Musee de Douai, t. i. p. 337, 

 pi. XXX. f. 10, 11. — Testa imperforata, conica, elevata, viridi 

 olivaceo obscure zonata ; spira acuta ; anfractus 7, sub- 

 planulati, medio parum excavati, tenerrime et oblique striati, 

 radiatim costulati ; costis albis, obliquis, superne vix promi- 

 nentibus, ad margines tuberculosis ; anfr. ultimus carinatus, 

 tuberculis marginalibus 14 munitus, inferne convexiusculus, 

 radiatim striatus, liris concentricis 5, subnodulosis approxi- 

 matis munitus ; apertura transversa ; columella arcuata, 

 inferne bituberculata ; area umbilicali funiculo plicato mar- 

 ginata. Operculum extus album, granulosum, costa mediana 

 spirali munitum, umbilico excavato. — Hab. Antilles. 



106. PAGODULUS, pi. ix. f. 100, Sowerby — Trochus aculea- 

 tus, Reeve, Conch. Icon. sp. 62. — Testa conica, imperforata, 

 aurantio-spadicea ; anfractus concavo-declives, oblique cor- 

 rugato-plicati, inferne acutangulati, ad angulum squamis 

 muricatis erectis armati ; basis convexiuscula, circulariter 

 squamato-bilirata ; apertura angulata. — A neat little conical 

 species of an orange colour, with the basal margin of the 

 whorls prickly-scaled. The name given to the species by 



