Illustrations of the recent conchology of Great Britain and Ireland, with the description and localities of all the species, marine, land and fresh water

4G MOLLUSC.-\. [TRACHF!LIPODA Sub-Genus 4....-ll ELICELLA.-Fé1·ussac. Shclt dep1·cssed; base of the bodg J))'oviclcd u:itli a largc -um- bilicus. 10. I-IEux CANTIANA, pi. XVII, f. 15, 16, 17.-First Ed., pi . 40, f. 15, 16, 17. . EJclia: Ca11tia11<t, Montagu, Test. Bnt., p. 422, pi. 23, f. 1; Maton nnd Hackell, Linn. Tr., VIII, P· 197; Turton, Brit. Fau., P· 189; I3rown, Ency. Brit., 6th Ed., VI, p. 457; Flcming, Ii:din. Ency., VII, p. 79; lb., I3rit. An., p. 261; TcbaCmztiana, Lcach, J\foll., p. 9,1; Ilelix Ca1·tlmsia11a, Drapernaud, p. 102, pi. 6, f. 33 ; Turlon, Man., p. 36, pi. 3, f. 26; Aldcr, J\:Iag . Zoo!. and I3ot., II, p. 106 ; Brard, p. 24, pi. 1, f. 6; Férussac, Prod., p. 43 ; llossmassler, V, VI, p. 3G, pi. 27, f. 364; Helü: pallida, Donovan, I3rit. Sh., V, pi. 157, f. 2; Hcli.r: ci1·cimzata, Ross- masslcr, J, p, G•l, pi. 1, f. 12. Shell subpcllucid, thin, gcnerally of a ycllowish-whi te, but somclimes lcad-colourccl; bocly large, tumid, wi th an obscuro ccnlrnl band; thc base and apcrlurc of a rufous colour; spirc small, subdcprcsscd, consisting of fivc modcratcly rounclcd \'olulions; aperfürc semielliptical, its lcngth and width being nearly cqual; outer lip thin, but not reflccted; infernal rib of a palo rose-colour, or whi te; wholc surface covered with minute, irregular, longitudinnl striro ¡ umbilicus rather small. D iameter three-c¡uarl ers of an inch ; height about ha\f an inch. Young shclls are vcry palc in the colour, and with t he epi- dermis slightly hispid. Thc a<lult bcars somo rcscmblancc to JJ. 1·1tfascc11s, but may be clistinguishcd hy its grcatcr con- ,·cxity, superior sizc, in thc s tri..c lcss regular ami strong, in bcing dcvoid of thc subcarinatccl bancl roun<l thc body, and in thc umbi licus bcing consiclcrnbly lcss in proportion to its sizc. T his spccics frcc¡uents the chalk clistricts of Kcnt, :uul is :m cxtrcmely local shell. 11 . H i;1.1x CAllTllUSIANA, pi. XVII, f. 49, 50, 51.-Firs t Ed., pi. <10, f. 49, 50, 51. Ilelfa· Cm·tlmsimw, Mitller, Vcrm., p. 15; Ilclfa· Ca1·thusi- a11cllcr, Drapcrnaud, p. I0 1, pi. G, f. 3 1, 32; Alclcr, Mag. Zool. ami Bot., 11, p. 106; füarcl, p, 2 1 1, pi. 1, f. 7; Tu rlon, Man., p. 37, f. "l.i; 1-/elü· Gibsii, Lcach, in Ilrown, lllust. Conch., 1st Ed. ; Férussnc, ,Tonrn. ele Phys., XC, p. 300; I·Tcli:1: Ze11obic1 bi11w1-ghwta, Gray, J\Iccl. Hcp.;1821; I-leli:1: 1·11.filabris, Jeffrcys, Li1111. 'fr., XVI, p. 509; T cúa C1w/lmsi<111clla, Lcach, 1\1011., p. !l5, pi. 8, f. ,1, 5, G. Shell subcleprcssecl, subpcllncicl, glal>rous, of a grayish-brown; bocly largc, i11flntccl 011 1he sieles; spirc Yery small, l>ut Jiu le cle\'alcd, consisting of thrcc slightly clefine,I rnlutions, termi- 11ating in n snbaculc apcx ; aperlure sublunate; outer lip thin 011 the margin, with n milk-white, trans,·crse, rather broacl ba11cl ott the ontsi<le; base providccl wi th II Ycry small umbilicus, which is partly covercd by the columellar lip. The JI. C11rtl111si<111cUii is subjcct lo some ,·ariety, in si1.e, thickness, ancl also in tite cons:stcnce of the shell, One Yariety is smallcr, ancl more convcx. This species i11habits tite chalk clistricts of Susscx ami Kcnt, among short grnss ; nncl is also common 011 tite coast bctwixt Dovct· ami Brighton. 12. l-IELIX nu!'ESC1¡;.;s, pi. XVII, f. 47 11ml 53.-First Ed., pi. 40, f. <17 1111(1 53. Jlcli,r: ?'ufescens, Pcnnant, Brit. Zoo!., IV, p. 134, pi, 85, f. 127; Montagu, Test. Drit., p. 420, pi. 23, f. 2; Turton, Brit. Fau,, p. 189; Jb., Man., p. 37, f. 28; Flcming, E<lin. Ency., VII, p, 79; Il>., Brit. An., p. 261; Brown, Ency. Brit., Gth Ecl., Vl, P· 457 ¡ l b., W crnerian Mem., II, p. 525 ; Thompson, A11n. ancl Mag. Nat. Hist., VI, p, 28; J elfreys, Linn, 'l'r., · XIII, p. 337; Férussac, Prod., p. 44; Donornn, Drit. Sh., V, pi. 157, f. 1; Maton and Hackett, Linn, 'l'r., VIII, p. 1!)6 ; I-Icli.r: !tispida, Donornn, V, pi. 151, f. l; IJ,,lfa· glabclla, Drapernaucl, p. 102, pi. 7, f. 6; Pfciffer, p, 3,1, pi. 2, f. 16; Aldcr, Mag. Zool. ami Bol,, JI, p. 107 ; 1'eúu ?'ufi:scens, Leach, Moll.. p, 96 ; Cucldeti ,·uji:scens, Da Costa, p. 80, pi. 4, f, 6. · Shcll subdepressccl, subopaquc, rufous brown ; body large; spirc small, consisting of flve slightly ele\'atecl and mo<lerately inflatcd volutions, well dcflnccl by thc sutura! line ; cent re of thc body volution encompassecl by a slight subcarinatcd gircllc, of a paler colour th:m -the rcsl of the shell, but which does not extc11cl to the volutions of the spire ; aperture semilunar, somc- what longcr than broa<l ; outcr lip thin, slightly reflcct.e<l at the lower augle; whole smface covered with longitu<linal, wrinklecl siria!; umbilicus large ancl clccp. Diameter frequen tly ncarly three-quarlers of an inch. Its genernl <limensions smallcr. The young of this shcll is <leslitute of hairs. This spccies is liable to some \'ariations in colour. 13. 1-IELIX LIM!lATA, pi. XVIII, f. 29, 30. Hcli.r: limbata, Drapernaucl, p, 100, pi. G, f. 29; Férussac, Pro<l., p. 43; Michaud, Compl., p. 24 ; Hossmasslcr, Icon., V, p. 35, pi. 26, f. 362; Alder, J\:Iag. Zoo!. and Bot., II, p. 1 0G. Shell suborbicular, of a white or redclish colour; body large, with an opaque, slight carina rou11d its centre; spire about a third of thc length uf the bocly, consisting of four somewhat narrow, slightly inflatcd ami subdcpressccl volutions, tcrminating in a rathcr obt use apex ; apcrture sublunate, Ycry obliquc, ancl slightly narrowecl in the centre of the oulcr lip, which is thin, plain, slightly reflcxecl, ancl margined with white; pillar lip a little reflexecl ornr the umbilicus, which is rathcr small a11CI narrow ; wholu surface very fl ncly ~triatecl. Length ncarly half an inch ; cliamcter npwar<ls of half an inch. This species is subject to con$idcrably ,·aricty in colour ; hcing sometimes recldish-brown, ami al othcrs of a clear white. Disco\"Crecl by Mr. G. I3. Sowerby on thc Ncw North Homl to I3arnet, ncar I-111mpstc11cl, in a heclge row, ali(\ attachccl to bramblcs, The /l. limbata is a nati,·c of Francc, Switzcrland, an<l Gcnnany, ami has in ali probahility bcen an introcluced spccics, as the abo,·e is the only locality whcre it has hithcrtu been noticed in I3ritain. M. I-IELIX l'ULYA, pi. XVII, f. 2.-Firsl E cl., pi. 40, f. :l. llcli.t'ful,;a, J\lüller, Vcrm. I-list., II, p. flG, No. 249; Drn- peruaucl, p. 81, pi. í, f. 12, 13 ¡ Pfciffer, I, p. 23, pi. 2, f. ::! : Turton, Mau., p. G!, f. 47; Al<lcr, l\:lag . Zoo!. ancl Bot., II, p. 108 ; Thompson, Aun. nn<l Mag. Nat . I-list., VI, p. 25; Jic{i.1· t1·ocl1iformis, l\:lontagu, T est. Ilrit., p. -127, pl.1 1, f.!); Turton, 13rit. Fau., p. 189; Fleming, Edin. Ency., V 11, p. 80; i\Iato11 1111d Hackctt, Linn. 'fr., VI II, p. 200; Jcffreys, Linn. Tr., XVI , P· 331; 1-lcli.t· 1'roc!tilus, Fleming, llrit. An., I'· 2G0; Brown, Ency. Drit., Gth Ecl., V I, p. '158 ; 1'eb11.f11lv11, Lcach, l\Ioll., p. !)9; 1-lclü- 11iticl11la, V. Al tcn, S. 53, pi. ·1, f. S.