PTEROCETvA. 



Species 5. (JIus. Cuimiig.J 



Ptekoceka MULTirES. Pter. testa ovato-oblonyd, spircl 

 acmuinatu, anfractUjHS suhlUissimi striatis, snperne 

 aiigulatis, ad anijuluui, twdath, iwdis compressis, (jra- 

 datiiii majoribm, aiijructn iiltimo nodis peramplis, in- 

 fra lirato, Uris irreijularUius, partim uodatis, columelld 

 callom^ vix corrugaid, labro expmiso, decadaclylo, dac- 

 tijlis subplanaUs, ponlico bi-trijido, aperlur(B faucefor- 

 titer L't creberrimi sulcata ; albidd, anraiUio-fiisco con- 

 spicue mactdatd vt vittutd, apertura faitce albd, in pro- 

 finido intense rufesceute-violaceo tinctd, columelld ct 

 lahri mnrgine aurantio-tinctis. 



The many-footed Ptekoceka. Slioll dvately oblong-, 

 spire acuminated, whorls vei-y finely striatetl, angled 

 round the upper part, uoduled at the angle, nodules 

 compressed, gradually larger, last whorl with the 

 uodides very large, ridged below, ridges irregidar 

 ]iartially noduled, columella callous, scarcely wrinkled 

 lip expanded, ten-clawed, claws rather flattened, the 

 ])osterior claw bifid or trifid, interior of the apertnn 

 strongly and very closely grooved ; whitish, conspi 

 euously spotted and filleted with light orange-brow n 

 interior of the aperture wliite, in the depth deeplv 

 stained with reddish-\-iolet, columella and border o 

 the lip tinged ^^'ith orange. 



Strumbus multipes, Chemnitz, Conch. Cab. vol. x. p. 210 

 pi. 157. f. 1494-5. 

 Pterorera multipes, Desbayes. 

 Pterocera vullipeda, Lamarck. 

 Pteroceni violacea, Swaiuson. 



Hab. East coast of Africa. 



distinguished fi'om P. 

 by Lamarck and Kieii 



lid pretty species may reachly hi- 

 ilUpeda, with which it is contbuiideil 



Species 6. (Mus. Cuming.) 



Ptekoceka uugosa. Pte)-. omto-oblongd, splrd acutni- 

 natd, anfradibus imdiqite siibtiliter striatis, superni 

 concavis, deinde angulatis, ad angulum obsolete nodatis, 

 anfractu ultimo costis uodatis cingulato, iwdis pei-am- 

 plis, kexadactylo, dactglis longlusculis, curvatis, late 

 expansis, columelld midiijue fortiter rugosd, aperturte 

 fauce subtiUter corrugata ; albidd, rvfescente-fusco 

 maculatd, columella et aperturrf fiiuce intense pnrpn- 

 reis, riigis albis. 



The wkixkled Ptekoceka. Shell ovately oblong, 

 spire acuminated, whoris finely striated throughout, 

 concave round the upper part, then angled, obso- 

 letely noduled at the angle, last whori encircled 

 with' noduled ribs, nodides very large, six-clawed, 

 claws rather long, em-ved, broadly expanded, coln- 

 luella stronu-ly wrinkled throughout, interior of the 

 aperture tim-ly <\riiikl.-,l : whitish, spotted with 

 reddish-ln-own, eulumella Mu\ interior of the apertm-e 

 very dark purple, with the wrinkles white. 



SowEKBY, Thesaurus Conch. Part 2. pi. 11. f. 9, 10. 



Hab. Society Islands ; Cuming. 



Constantly distinguished from P. chiragrn. with whu-b 

 it has been confounded. l)v its dce]> purple and white 

 wrinkled columella. 



Februarv. 1851. 



