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

16 MOLLUSCA. [TnACHELJPODA, . . . . a crturc suborbicular; outcr lip thin at thc mmatmg III an obtusc apcx, P . íl d . Id . 1 u-. pillar lip cd e n li ttlc llattcncd within, ruid shghtly re cele m o s ,e s' . . g ' • . d the columclla with a slinht subumb1hcus bread, wlute, nnd dcprcssc on ' " L nnth bchind it in ndult shclls; colour drab, orangc, ycllow, or brown. e " tlnec uartcrs oí nn inch ; brcndth ncarly thc same . . e q I t nll thc Ilritish and lrish shorcs, adhcr111g to stoncs, ommon on a mos , . . 1 · ¡ t r mnrk ami not unfrequcntfy out of rcach of the udc. ncar 11g 1-wn e .. , , . b ¡ · In sorne instanccs thc surfacc is covcrccl with vrry famt'. o so_etc, s_¡n- ral st ri::c. Thc colour in young shclls is cxcccdi ugly rnrious, m wluch state it is nlso subjcct to ~rc~t , ·aricty in its markings. , This spccics has bccn nftcn confounclcd with thc '1'11rbu lillor~1rs, b'.,t is at once discrimiuatccl by its rouncl, tumid, wclf-scparatccl volut,ons, 111 cvcry stngc of growth. 3. 7'.jugo,11r, pi. X, f. 15. 16.- First Ed., pl. 46, f. 15, 16; l'IIaton nnd Rackct, Linn. Tran~.• VII I, p. 158 , pi. 4, f. 7; llrown, Ency. Ilrit ., VI, p. 453; lllontngu, p. 58ü, pi. 20, f. 2. Shcll subovnf, vcntricosc ; bocly vcry lnrgc ; spirc short, consisting of thrcc volutious, tcrminatiug in a moclcratcly pointecl, clcrntccl apcx; bocly providcd with ten or eleven much clcvatcd, shnrp ridgcs, reflcctccl n littlc upwurds, thc lowcr volution of thc spirc with thrcc or four, ancl somc- timcs thc snmc numbcr on thc sccoud; apcrturc suborhicular; outcr lip thin, subcarinutccl by thc riclges; pillar lip broad, s1uooth; colour clull omnge ycllow, dnrk purplc, nncl chocolate brown or purple within. Length und hreadth about threc-eight.hs of nn inch. Found on thc coasts of Dorsetshire, nnd St Ives, Cornwall. 4. T. lc11cbrosus, pi. X, f. 18, l!l .-First Ed., pi. 46, f. 18, 10; :Mon- tngu, p. 30:J; Turton, Rritish Fnunn, p. 179; Ilrown, Ency. Ilrit., VI, p. 453; Flcrning, British Animals, p. 298 ; l'ultcncy, in Hutchins' Dor- setshire, pi. 18, f. 15. Shcll ~trong, short, conic ; body Jargc ; spirc short, consisting of fonr vcnlricosc, dceply-divi<lcd volutions , tcrminating in a rathcr ohtusc npcx; apcrturc suhorbicular; clark purplish-brown within; outcr lip thin, cx- ccpt at thc lowcr a11¡;lc, whcrc it sprcads a littlc, ancl from thcncc con- ti1111es to thicken 011 thc pillar lip; colour rich fawn, bcautifully mottlcd with dcep chocolatc-brown, or rccldish-brown. Lcngth half an inch; hrcadth not thrcc-cighths. Foull(l on the consts of' Dcrnnshire ancl Kc11t. lt li\'CS on rorks all(l nmd nt·ar high-watcr-mark, ancl C\'éll in ditc)l('s subjcct to thc claily flux of tite ticlc. 5, 'l', JJCl•m,is, pi. X. 1: 17.-First Ed ., pi. 4G, f. l i; llcli.r ¡iclr<I'a, Flcming, llrit. An., p. 298 ; lllontagu, p. -10:J; Pulteney, in Hutchins' Hist. Dorsctshirc, pi. 18, f. 13; 'J'urton, British Fauna, p. 180. Shcl\ strong, conic, opnqnr, dark ¡mrplish-Urown ¡ body largc; spirc short, consi:;ting: uf four mu<lcratcly rniscd volutious, cndi 11g: in a sharp, pointcd apcx; thc rnlutions nrc wcll-dcfincd by the scparating line, which, in thc suture of thc bo,ly, riscs upon thc base of the superior volution, with a slight, ahrupt, ru~gcd cdgc, mul <loes not tnrn in wards and bccon,e obsolcte at t he jnnction of thc spire, as is us ual with most turhinatC'd ~pccirs; thc who1c surfacc is co,·t•rcd with faint, irregular, lon~itudinal lincs of growth, ancl which, in thc m1clcr part of thc body ahove thc aperturc, is <¡uitc plain; ap~rtm c a li ttle semilunar; outcr lip l'.Ollsidcrably ¡,roduccd, with an nttcnuatcd margi11 ; piliar 1ip smooth, flat, and clia¡;onally rdlcctcd on thc columelb, the whole lcngth of thc apcr- turc; this, as wt..•11 as the insi<lc, a11tl corncous opcrculum, is of a clccp- glossy, rccldish-¡,urplc; inner fip ~traight, arnl bronght to an edgc. Lcngth rathcr more than a quartcr of :m inch; breadth two-tenths of an inch. l nhahits rocks helow high-watcr-mark, on thc south const of Dcrnn- shirc, ncar thc mouth of tite Aun, not far from thc ri11agc of llantum, at Swanngc, Dorsctshirc, :-uul is plcntiful on thc Basa\tic Columns at thc mouth of Fingal's Ca,·~. hlancl of Stalfa. Therc is n mricly with thc uppcr ¡,art of thc body hlotchcd ancl st riatcd with whitc aud rcdclish-brown, bnt thc smooth part of thc pillar lip and inshlc are invariably of the samc clark purplc colour. G. 'l'. labinlus, pi. X, f. 20, 21.-First Ed., pi. 4G, f. 20, 21. ~hcll thiu, ~hort, ~ubconic, hody cxtremcly largc, and spirc Ycry smnl1, bc ing ?nly a stxth of thc lc11gth of tite body, ant..l consisting: of thrcc somc- what 111ílatcll volutions, tcrminating in an obtusc apC"x; apcrturc subro- ~und, _vrry largc, dccp sicnna-brown within; mll cr lip thin :md cxpancl~ mg, w,th a p:ilc d1cstm11 edge ; pillar lip white, ,·cry broadly rcflectcd 011 thc columclla, wnh a sl ight subnmbilic11s in its c(•ntrc; vcntcr a littlc <lcprcs:5ed; a fcw cxtrcmcly indistinct :-piral wrinklrs un thc bo<ly, aud crossccl by extrcmcly faint lines of growth; colonr pale che~tnut or fawn, bcautifully cloudccl or blotchcd with purple. Length half nn mch; _breadth thrce-cighths. Discovcrcd at Pcnzancc, Cornwall, by _Gcucral Bmgham. ,ve hnvc since rcceivccl a ,·ariet.y from the samc local1ty of a palc chest- nut colour, i11clining to green, tlcstitutc of nny markings. ¡. ']'. vcn/ricosus. Shcll rnthcr thin, smoot h, conic, vcntricose, bocly large, ancl the spirc small me:isurinn only a thircl of the lcugth of the body, consisting of four infl:tt~d, de~pl/separatcd volutions, ancl tcrn~inating in a rathc r obtusc apcx; thc superior part of the bocly m_,cl volut1011s uf thc spi rc somewhnt flattened abovc, !!ivin~ thcm a subcarmated appearancc ; aperturc sub- rotund, dark bur~t-u1~ber brown within; outer lip thin, slightly inílcctcd, ami of a riclt fawn colour a l thc cdgc ; pillar lip broaclly reflected on thc columclla, a littlc concr.re in thc centre, and of a brownish-purple colour; thc wholc exterior surfocc corcrcd with zigzag nwrki 11gs of a dccp rcd- dish-brown, ami dull woocl-brown, yellowis h towarcls thc margin of thc lip; a fcw obsolcte lincs of g_row_th can be distinguishccl c'.os~ing thc body. Lennth ncarly five-cighths of nn mch; brcaclth r,carly hallan mch. Found by J~mes l\Iacdonald, E sq., adhering to stoncs n~ar high-watcr-mark, in Clcw Ilay, county of lllayo, 011 the wcst coast of ircland. ,ve have also rcceired a rnricty, which is obsolctcly sulcatecl ~pirally 011 the bocly; with the apcx a littlc more acute, and tite dcprcssion on thc npper part of the volut ions lcss con~picuous, and having a pale bull~ colourcd spi ral band on thc uppcr margin of thc bocly ami rolutions, closc to tlic suture, ,mcl tcrmiuati11g in thc apcx. This shcll is somcwhat alficd to bot h thc Turbo lc11cbros11s and labia- /11s; it clilfcrs from thc formcr in being lcss c!ongatccl, and in the body heing much lnrgcr in proportion t o lhe spire; a11CI from t hc lattcr in t ite body being less in proportion to thc spire, and in t he aperturc being greatly smallcr. 8 . T. dispar, pl. X, f. 22.-First Ed . , pi. 46, f. 22; llfontagu, Linn. Trnns., XI, p. 195, pl. 13, f. 4 . Shdl strong, short, conic; spirc cxtrcmcly small, consisting of t hrcc l"Cry flat volutions, separatecl by a fine suture ; body very largc, being fi\'e times the lcngth of tlw spi re, obsolctcly striatecl in a spi ral dircction, obliqucly wrinklcd, longitudinally, and suhcnr inatcd at the base; apcr- turc suborbicular, clark purplish-brown within; outcr lip thin, cxtencling high upon thc body, and not continuo.us ; pillar lip vcry broadly rclfectcd on thc co1umclla, and lo11gitudinally concavc; colour l.J1ucish-grny, with one palc b:mcl near thc lowcr cxtrcmity of the lip within. The volu- tions of the s pirc are usuafly dccorticatcd. L cngth a r¡uartcr of an inch ; breadth somewlrnt lrss. Funnd at Poole, Dorsets ltirc, by thc Re,·. Wm. lli11glcy; an<l has sincc Leen mct with on thc rocks 11car tite Giant's Causcway, wc•st coast of l reland. This spccirs has somc sin,ilituclc t o Turbo zic=ac, but is proportional- ly s horter, more obtusc, has a grcater di sproportion bctwet•n thc bocly mul spirc, aucl is dcsti tutc of tite zigzag markings of that spccics. It i:-: pro,·idcd with a comcous opcrculum, of a clusky-brown colour. 9. T. zic:ac, pi. X, f. 26, 2i.-First Ed., pi. 4G, f. 2ü, 27; Turbo ziczac, i\laton ancl Rackc t, Linn. Trans. , Vil!, p. JG0, pi. 4, f. 14; l\Ion- tagn, Snp.. p. 135 ; Lister's Concholog:y, pi. 5S3, f. 38; 'I'rocl111s ziczar, Gmclin's Linné, p. 35S7; Chemnitz, Conch., V, pi. 166, f. 1599. Shefl conic; ~pire very short, consisting of fil" e whitc, or purpli,:h- whit<', comprcsscd Yolntions, ~cparatcd t,y a füw suture, and rnding in an acute apcx, markccl with cqniclistant, longitudinal, unclulatcd, purplc, or brownish-purplc lines ; hody largc in proportion to thc spirc , widc nncl snhcnrinatecl at the base ; apcrture suborntc . L cugth half an inch ; brcaclth more thnu a qnarter. i\Iontagu s:1ys , " This ~pccics is subjcct to somc ,·ariation in colour. A small rnricty, without the zigzag lincs, has bccn found ncar Sulllil-r- land, by La,ly Wi lson." 10. 7'. quadrifnscia/11., , pl. X, f. 35.-First. E.1., pl. ,JG, f. 35; l\laton nnd Rackct, Linu. 'l'r:111s., VII!, p. 16i; lllontagu, p. :J28, pi. 20, f. 7; Brown, Ency. 13rit., YJ, p. 455; l bid. in " ' cn"'rian i\lcmoir,:, 11, p. 522. Shc11 stron~. ~mooth, ~ubpdha·id, subconic ; s pirc s hort, cmu:i:--ting of tltrcc roun<lcd, <lepn•s~cd \'o]utious, and tl'rminatiug in an obtusc a¡wx; body vc ryh1rge, hcin1; ncarly cloul,fc thc lcngth of thc ~pir<•; culour "·hite, or ycllow1sh-wl11tc, with four ycllowish-Uro\\'ll, or reddi!--h-hrow11 1 tratts- n•_rsc Land:; 011 tlw bncly, and gc11erally two 011 thc lowC'r Yolut io11 of tlw ~pire. In somc spcci111c11s thc b:md~ are unit<'cl, aml furm t wo broad