S C A L A R I A. 



Plate II. 



Species 7. {Via. a, d, Mus. Brit.) 



Sc.\LAiil.\ TuiiTONls. Sea. testd hevi, pnllidi piirpiireii, 

 fasciis inter/tiptis, maculisque piirpureis vel fusris 

 varieffatd, imperforata, elniigatil ; anfractibus con- 

 tiguis numerosis, pmild coiivcds ; variclbus in- 

 wqyalibus, planiusctilis, decumhentibmt ; ad sutiirajii 

 paulo flevattH ; cipertiird subuvtUd, labia iiitcnw 

 crasso, rotmido. 



Turton's ScALAlilA. Shell smootli, banded, pale purple, 

 variegated witli interrupted bands and spots of 

 purple or brown, imperforate, elongated ; wlioils 

 contiguous, numerous, a little convex ; varices 

 unequal, rather flat, decumbent, a little elevated 

 at the sutures ; aperhire subovate, inner lip thick, 

 rounded. 



Ivisso .' Sowcrby's Thesaiu'us. .Scalaria, tig. 81). 



lOG, 7, 8. 



Scalaria planicostata, Bivou. 



Hab. Coasts of Great Britain, and Mediterranean. 



The •whorls are closer and less convex, and the ribs 

 flatter than in Scalaria communis. Besides the British 

 and Mediterranean varieties*, there is a rather doubtAd 

 one of dark colour found in the Philippines. 



>pecies 8. (Mus. Brit.) 



SCALAKIA BULLATA. Sca. tcstd albd, birfi, lata, venfi-i- 



cosissimd ; anfractibus paucis, rotundatis ; varicibiis 



tenuibus, incequalibus, obliquis, ad suttiram elevatis ; 



aperturd magna ; iimbilico paiiso. 

 The bubble- shaped Scal.\iua. Shell white, short. 



broad, very ventricose ; whorls few, rounded ; 



varices thin, very oblique, elevated at the suture ; 



aperture large ; umbilicus small. 

 SowF.iatY. Thesiiurus Conchyliorum, Scalaria, Sj). 4.j, 



ti'j. ^7. 

 Hab. Nl. Cajiul. Philippines ; on coral-reels. 



Spe 



(Mus. Br 



ScALAiiiA nAuicusT.\TA. Scu. tistd itlM, crassd, ca/i- 

 ccllatd, pyramidatd, vaitrirosii ; anfractibus convexis, 

 distinctis, rapide crescentibtts ; varicibus perpaiici.i, 

 iiurqualitcr <li.^tantibii.<:, rotundatis, crentilali.i. 

 crassis : apirturd majiLicnld ; labia interna antici 

 ^ubcipan.-ni i umbilico niinnto. 



TllK RAliE-HiBBEi) ScALAiUA. Shell wliite, thick, can- 

 cellated, pyramidal, ventricose ; whorls convex, 

 distinct, rapidly increasing ; varices very few, 

 unequally distant, rounded, crenulated, thick ; 

 aperture rather large ; inner lip anteriorly slightly 

 expanded ; umbilicus very small. 



La.makck. Anini. s;,ns Vert. Sowb. Thes., fig. 7il, 8(1. 



Hah. Cevhm. 



Species lo. (Mus. Griiner, Brit, lic.) 



SCALAI'.IA MAGXIFICA. Sfa. tcstd magna, elongatd, 

 piframidatd, albidd, anfractibus imiiurosis, linti- 

 cri'SCiutibtis, rotundatis, distinctis ; costis spiralibus 

 validis striisque concentricis interstitialibus can- 

 cellatis ; varicibus ad anfractus supeviores mi II is, 

 ad anfractus ultimas raris, arcnatis, intequidistan- 

 libiis ; aperturd subaurifurmi, cohcmclld sub- 

 tortud. 



The magnificent Scalaria. Shell large, elongated, 

 pyramidal, wdiite, whorls numerous, slowly 

 increasing, rotinded, distinct; cancellated with 

 strong spiral ribs and concentric interstitial stria? ; 

 varices on the upper whorls none, on tlie last 

 whorls few, arched, inequidistant ; aperture partly 

 auriform, columella somewhat tortuous. 



SowERBY. Thesaurus Conchyliorum, Sp. 78, fig. lu;J. 



Turbo jtrincipidis, Chemnitz, not Pallas. 



Ilab. China? 



The specimens in the British Museum have not 

 attained the stage of growth at which the varices begin 

 to appear at all numerously. 



