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

14 MOLLU SCA. [TnACIIELIPOD.I, Ge:Nus XVIII~PYnAMis.- Dnowr;. Slaell genera lly subula te, grndually ~apering t~ n poi'.1t_; body usually short, nn<l the spirc long; volullons but shghtly <l1v1<le<l by t hc suture, nnd scl<lom inflate<l; nperturc mostly oblong-o ,•ntc , placed ncarly pcrpen<l iculnr, with its uppcr angle contractc<l for the most part; outc r Ji¡, r nrcly continuous. l. f'. 111 b11/alttJ, pi. IX. f. 64, 05.- l'irst Ed., pi. 50, f. 6,1, 65; T'.1rbo ,t1bulal,1J, Donovun, pi. 1 i2 ; Ilc/í,: 1ub11/ala, l\laton a1HI llackct, Lmn. Trans. , VIII , p. 2IO; l\lonta 0 u, Sup. p. 1'12; Plw1iauclla.subu/al", Flem- inP, Ilrit. An., p. 301. "shcll st rong, subulatc, \'cry smooth an<l glossy ; consisting of ten pcr- fcctly ílat \'olntions, scp:unte<l hy a fine suture, nnd tapering to a sharp- pointcd.:')JCX; npcrturc oblong. ovatc, contrnctcc.l abovc; outcr lip rathcr thick; pillar lip slightly rcílcctcd 011 thc columella; colour crcam-whitc or flcsh-colour, with a double spiral band of burnt-sicnna colour, which bccomcs obsoletc towanls t he npex. Lcngth of thc largcst sizcd speci- mcns nenrly thrce quartcr; of an inch; brcadth not a thir<l its length. Foun<l nt \Vcymouth, ami in the l'rith of Forth. Very rnre. Oono,•nn's figure has six bnnds on t he body, bnt we hal'e never mct with nny spccimcns containing: more than l\\·o. 2. l'.7wlil111, pi. IX, f. 50, 60.- First E<l., pi. 50, f. 50, 60; Hcli:r 1 ,olilfl, Monlngu, p. 308; l\laton a1ul llacket , Linn. Trans. , VIII, p. 210; 'l'urbn a/bu,, Donovnn, pi. 177 ; I'ba1ia11c/!11 poli/a, Fleming, Brit. ,\n , 1'· 301. Shcll suhnlnte, strong, white, cxtremcly glossy, ami quite s111ooth; with from nine to thirtccn flat volutions, an<l har<lly <lcfined by the suture, which is very inclistincl in this specics; \'Olntions gradnally tapcring to :, shnrp point; spirc \'cry Ion¡;; body short; apcrt urc o,·al, slightly con- trncted nbo\'e; outer lip thick, but uot marginute<l or rcílcxcd; pillar lip sli¡;htly rcplirat r•cl. L en¡;th five-eighths of an inch. Found at Exmouth, Dc\'onshirc ; \V cymouth, Doisclshirc; South \Valc•s ; the Jlrith uf Jlorth; ami llantry Hay, lrclancl. \Ve procured a fine sprci111cn from the stomach ora hncl<lock, which was takrn in thc l'rith of Forth. a. 1'. c/,.g,111/is.m,111.,, pi. I X, f. GI.-First Ed., pi. 50, f. 61; Hcli.r cl,·gaulis.,imfl, l\lontagu, p. 'l!JS, pi. JO, f. 2; Maton an<l HackN, Linn. Trans. , V111, p. 200; \Valker, f. 3!l; Turrilcl/a wb11/ala, Flcming, llrit. ·,\n. , p. 303. Shcll suhulnle, glossy, scmi-pr llncicl, wh ite; with from ninc lo thirteen tlnL rnlntions , wcll defined by the suture; body ,·ery short; spire long, tnpcr, a111I l erminating in an ncule apex; lhe whole shell covered with regular, s0111ewhnt obliqnc, strong longitudinal ribs, which are h:irdly in- 1crrnpte1I hy thc linc of thc suture; the sn\ci nrc mo<lcrately decp, but not so hro:ul as thc clc\'atcd rid:;cs; npcrturc s11horhiculnr, !--Omc~vhnt a11~11l:t1<•d hnth aho\'e and below; ontcr lip st rong; pillar lip slightly rc- llc~tl'<l nn the culnmelln. Len¡;th II c¡narter oí an inch; breadth noLa f,mrth ni' its lcngth. Fonnd at Sandwich, Falmouth, Sa\comb Day, Ilfra- t~omh, Dc \·onshirc, ami Portmarnock, lrcl:uul. ~. ]'. crc1w/11s, pi. 1X, f. b:l.-Firsl Ecl., pi. 50, f. 53. Shcll suhnbt,•, whitc, pellncicl, with ten "olutions, well sepnrated by thc line of thc suture ; hocly ,·ery short, spire \'ery long, and tapcring to an acutc point; thc wholc !--hcll covrrcd with strong, longitudinal , straight rihs, which are crosscd by cxtrcmcly minute trans\'erse stri:c; aperture snhorhicnlar; ontcr lip strong ; pillar lip slightly reflectcd on the colu. mella. Lcngth a quarter of an inch; hreaclth about a fourth of its len21ll. J'omul at llclton Sand::, ncar Dunbar, hy General Bingham, ancl i,; his ( 'al,inN. Thb: :-pc-ciC's m:ty ea~ily he mistakcn for P9ramis clt:ga11lissimus, buL ,liffors in thc ril>s hcing quite straight, :uul in bcing trnnsvcrscly stri:ltc. b. 1'. ,ubarc11n/11J, pi. IX, f. 62. - Firsl Ed., pi. 50, f. G2; Turbo mbar- •·:iatus, Ad:uns, Linn. Trans., II !, p. G6, pi. 13, f. 27, ~S; lllaton an<l Hackct, Linn. Trnns., VIII, p. JSJ ¡ ~lontngt1 1 p. 333. " Shcll prllnrirl, whitc, and a li11le cnn·ecl towards thc tip, with tr n 1-in~illulinally ribbed \'Olutions ; colour whitc. "-Aclams. Probably ouly a d1storted \'aricty of P. cfrgnutissi11111s. Found 011 the coast of Pcm- hrokcshirc. 6. l'. 1111ic<11, pi. IX, f..46. - First E<l., pi. 50, f. ~G and 4S; Turbo <111irus, lllaton UII() Hackct, Linn. Trans. , VIII, p. 174 ; '.\lontagn, p. :!99, JII: 1 :!, !"- 2 '. 'l'r,rbo albitl,u, AJnms, ,.\licros., pi. 14, f. 1 i ; T,,..ri- rrlla rmff.1, l ·lc.•ming. Urit. An., p. 303. S!wll subulatc, with nine slcnder, glossy, pellncid, whitc, wcll-roundc<l , ·olutions ; bocly very short, spirc ,·ery long, terminnting in a fin e point; the wholc shell in\'Cstc<l with fine longitudinal, somcwhnt un<lulating ridges, nnJ the intermcdi:itc spnces co,·ere<l with cxtremely fine transversc stri:c, which c:111 only be secn by the nid of a strong lcns; apcrturc subor- bicular, inclining to oml. Length two-tenths of un inch; brcadth about a fourth its lcn¡;th. Founcl on the Dc\'Onshire an<l W clsh coasts; an<l nL Dunbar, by Geucral Dinghnm. 7. P. Íll(/isliuclus, pi. IX, f. 47. - l'irst Ed., pi. 50, f. 47; !llontngu, Sup. p. 120; T<1rrilclla ill(/isliucla, Fleming, Brit. An., p. 304. Shell subcylin<lricnl, glossy, white ; with six uearly ílat \'olntions, ler- miuating in a somewhat obtuse apex, but wcll-dcfincd liy thc line of the suture; thc whole shcll is \'Cry fincly rililicd longitudinally, and slightly an<l indis1i11ctly pnncturc<l in the furrows, which can only be secn by the ai<l uf a powcrful lens, through which it appears c:111cellatcd; these trans. verse stri:c are confinc<l to thc snlci , and do not cross the ribs ; apPrturc snbornte; outer lip thin, cxpande<l; pillar lip n littlc sprea<l 011 thc co- lumelln. Length an ei¡;hth of an inch; brendth one-third ils lcngth. Fonn<l at Sanchrich, nnd aL Delton San<ls, ncar Dunbar, by General Dingh:un, 8. P, subtr1111cal<1s, pi. IX, f. 40, 50.-First Ed., pi. 50, f. ,l!J , 50; Turbo sublruuca/111, l\loutagn, p. 300, pi. 1O, f. 1 ¡ 'l'urrilcl/a s11blr1111- caln, l'lcming, llrit. An., p. ;)03. Shell subcylin<lricnl, with six or se,·cn rounded, smooth, pellucid, ye(. lowish•\\'hitc· \*Olutions; slightly tapcri11g, :rn<l tcrminntiug in an obtusc npcx, with strong lon1;itndinal strire; npcrturc sul.,orbicular, somc-whnt inelining to ornl. Lengtlt thrcc-tenths of an inch; breadth nol half its len~th. Found 011 the Sonthampton coast, al Snlcomb Bay, aud nL Dcltou Sancls, ucar Ounhar, hy General Bi11gh:1111. Culoncl i\lontagn had describc<l this species from ,rorn specimens, as ours ore ali disti11ctly striate. O. P. uivo111s, pi. IX, f. 25, 26.-Firsl E<l., pi. 50, f. 25, 26; Turbn 11ivows, i\Ioutagu, p. 326; lllaton ali() Hacket, Linn. Trnns. , \'111, p. 1G3 ; Tr,rho uiv11.rns, Flcming, ll rit. An ., p. 300. 51,, 11 snlicylindrical, smooth, wltite, pcllucid, with fi\'e slightly pro- ducecl \'Olutions, but well scparated by the raised, thread-like, spi rnl li11c of thc suture, tcrminating in an obtusc npcx; body somcwhat longcr th:m thc spirc, thc base fnrnislte<l with a series of s ¡>irnl stria:. whiclt renclt to the upper margin of tite outer lip in front; aperture suborbicular, much t11rned to one side; outer lip smooth, a Jiule thickcned, continuous ; pillar lip consi<lcrably rcílecte<l on the rolumclla, with n slight subun1liili- cus behinrl. Lcngth not quite an eighth of an inch; breadth not holf its lcn¡;th. Fonnd 011 the south coast of Devon, ,·ery rnre, all(I at Dclton Sands, near Dnnbar. This species has much the appearance of Jami11ca iulcrsli11cla, liut is destitute of both thc tooth and ribs. Colonel i\10111:ign has o,·rrlooke<l tite trnns\'erse stri:c al the base of the shell. 10. P. ca11dic/11s, pi. IX, f. 31.-First Ed., pi. 50, f. 31. Shell semicylindrical, ratlter Mrong, lilueislt-whitc, :md glossy; consist- ing of Íl\'e ,·olutions, slightly ~eparatcd by the line of the suture, :md tcr- minating in a rathcr obtuse apcx; hody somewhat longer than the spire ¡ the whole shell co\'erccl with ,·cry fine spiral stria:; apcrlurc suuo\'atc; flattened at tite base uf the colnmclln; outer lip smooth, somewhat tltick- ened; pillar lip ,·cri· ~lightly rcílectecl on the columclla. Lcngtlt a li ttlt· more than nn cighth of an inch; brcadth not half its length. Fonnd at Delton San<ls, near Dnnbar, hy General Bingham. 11. I'. discnr, , pi. 1X, f. 32.-Firsl E,)., pi. 50, f. 32. Shrll subcy1in<l rica1, stron!;, snow-whitc, and ~lo~~y¡ fh·r ratlirr pro- dncc<I, slightly-di,·idcd Yolution!=, :-m<l tcrminating in a ral11t•r ohtusc :t(l\'X; l,ody ancl two lowcr \'Olutiuns of thc spire CO\'crc,I with cloS<', rc~ular, spir:i l siria:; thcsc a re ali crossl'd nt tnp L,y n11mero11s, ~hort, ln11~i1;,dinal furrows; ~pcrturc scmi,n·:ttC', a littlc contractt.·<l al i1 s uppt·r a11glc, :me\ slightly ílall cned 011 the pillar si<lr.; outer lip smooth, somcwh:,t thil'kcne,1; pilla, lip sliglnly rcflectc<l on the columella. Lcn~th an right h of an inch; hreadth not hnlf its lcngth. Fouml at Dclton San<ls, m•:ir Dunhar, by General Dinghnm. This specie; is ncarly allicd to J'. ramlidus, hnt it is l,ro:uler in propor- tion to its length, thc stri:c a re widcr, the spire shorter, tlu: aperture longer :md diílhrnt in shapc, ami thc furrows al thc 11pp,•r margi11 of the three lowcr \'olntions . ali distin¡;uish it from that shcl l. 12. P. lirvi.,, pi. IX, f. 5 1-52.-Fir; t E<l., pi. 50, f. 5 1-52. Shc·II subnlatc, snow.whitc, shi11i11g, co11sisti11;; uf cight grt•nt ly pro-