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

IsvoLUTE,] :MOLLUSCA. 47 Val'iet,1¡ J. Shcll dcp1·cssecl, aml cq1mlly co11vc,¿• both <tbovc wul bc/ol('. llvli.i: 1lo1·to11ii, .Jcll'rcys, Linn. 'l'r., XVI, p. 332. Vio·i,:ty 2. Smallcr, cmcl of et d11rke1· colow·. lldi.i: Alderi, Alclcr, Mag. Zool. ami Bot., II, p. 108 . Shcll trochiform, thin, smooth, glossy, pcllucid, of a dark- brownish horn-colour, sometimcs inclining to a recldish hue; body largc, \'Cntricosc; spirc small, much producc<l, an<l having fivc inllatcd Yolutions, dccply clividccl by thc sutura! linc, lcr- n1inating in a rathcr obtusc ;ipcx; base rounclccl, ami pro\'i<lcd with a Ycry small umbilicus, which is harclly perceptible in thc young shcll; ;ipcrturc subluniform, lransvcrscly comprcsscd, its lcngth ami brcaclth bcing equal; outer lip thin; pillar lip slightly rcllcclc<l 01·cr thc umbilicus. Diametcr about onc-eighth of an inch. Thc small variety of this shcll, noticccl by Joshua Aldcr, Esq., of Ncwcastlc, has vcry fine conccntric strire on its base, which is only visible by thc aicl of a slrong lcns. This variety is only onc-lcnth of an inch in cliamctcr. fohabits woody ancl shadccl situations, under sloncs, on dc- caycd timbcr, and undcr lca\'es. Il'Iontagu mentions it as a Dcvonshire ancl \Viltshirc shc\l. It has also bcen founcl in the North of Englancl; and Thompson says it is gcncrally clis- tributcd ovcr Irelan<l, from thc sea shorc lo mountain localitics. Al Wolfhill, he founcl thirty specimcns congregatcd undcr onc stonc. 15. 1-lEux FUSCA, pl. XVII, f. 25, 26.-First E<l., pl. ~o, f. 25, 26. H eli.v J1,sca, Montagu, Test. Brit., p. 424, pi: 13, f. l; I3rown, Ency. Brit., p. 460; Flcming, E<lin. Ency., VII, p. 81; lb., l3rit. An., p. 26•1; Maton ami Rackett, L inn. Tr., VIII, p. 209; JclTrcys, Linn. Tr., XVI, p. 329, 394, ami 507; Alclcr, Ilfag. Zool. miel Dot., II, p. 107; Turton, Man., p. 5::l, f. 36; lb., Conch. Dict., p. 946; lb., Brit. Fau., p. 191; Thompson, Ann. and Mag. Nal. 1-Iist., VI, p. 24; Heli:x: Zc11obia cwrngata, Gray, Med. Rep., 1821, p. 239. Shcll thin, pcllucicl, of a rufous horn-colour; body largo, consiclcrably inflatc<l in thc centre ; spirc small, subdcprcssccl, consisting of four or fivc vcry narrow volutions; apcrturc semi- lunar, its brcaclth ami lcngth ncarly cqual; outcr lip vcry thin, but not rcflcctc<l; columellar lip a litt le rcflcctc<l ovcr thc very minute pcrforation, instcacl of an umbilicus. Diamctcr aboul threc-cighths of an inch; its hcighl seldom cxccc<ling a quarter of au inch. Founcl in woocly, clamp siluations, and is a vcry local ancl scarcc spccies in Euglancl. It has bccn mcl with gencrally throughout Irclancl, cxcept in thc King's County. My fricncl T . vV. Warren, Esq., of Dublin, mct with it at Kilrudclcry, Wicklow; by Eclwarcl Wallcn, Esq., at Altadawan, Tyronc; by Miss Mary Dall, of Dublin, at Youngrovc, near Youghal; by thc Rcv. Ilcnjamin J. Clarkc at Monivca, Galway; by W. H. Han·cy, Esq., ncar Limcrick; ancl in glcns in thc · Ilclfast mountains by William Thompson, Esq., of Delfost. 16. I-lEux LAMEU,ATA, pi. XVIII, f. 47. Jielü: lmnellata, Jcffrcys, Linn. Tr,, XVI, p. 333; Thomp- son, Ann. ami Mag. Nat. Hist., VI, p. 26; Heli:r: Scm·bm-gen- sis, Turt,m, Man., p. 62, f. •18• . Shcll trochiform, scmipcllucid, of a pale grayish horn-colour; body somcwhat longcr than thc spirc, which consists of fivc graclually <lccrcasing, wcll dcfinctl volutions, tcrminating in n somewhat obtusc apcx; outcr lip thin; inncr lip slightly re- ílcctccl ovcr thc umbilicus ; aperturc sublunate, widcr than long; base of thc body tumid, gcnerally of a palc:-r colour than thc superior portion of thc shcll, ancl providccl with a smnll, but dcep umbilicus; wholc surfacc coYcrccl with an epidermis, which risos inlo a series of longituclinal, lamcllatecl procc.sscs. Día- meter abont the tcnth of an inch. This spccics has somcwhal thc appcarancc of JJ. ac11leatri, bul may be <listinguishcd by lhc ]amellar epidermis nol rising into spinous proccsscs, nncl in bcing more numcrous ; thc spirc also is pyramidal, and not conical, as in JI. aculeata; the :ipcr- turc in thc lattcr spccies is more elliptical ami pro<luccd, than in 11. lamellata, ancl il is dcstitute of thc interna! marginal rib. Mr. Thompson says, thnt both thc animal ali(\ shcll are of n paler colour in lhe young, than in thc aclult slatc. This inlercsting ad<lition to our Fauna 11·0 owc to Mr. lknn, of Scarborough. Il inhabi ts woody situations in Yorkshirn and Northnmhcr- lan<l. It has also bcen found t o be widcly distributcd in Irelancl, unclcr dccayed lcm•cs of trces, in moss, ami shacly ami moist situations. Mr. Thompson first mcl with it in thc Glen al Holywood Housc, Downshirc, ali(! nflcrwanls in many othcr parts of thc counly, nn<l also in Antrim; it occurs in thc Glcn of Downs, \ ;Vicklow, La Ilcrgcrie, Qucen's County, by thc Hev. J. 13. Clnrkc; and at Dunscombc \-Vood ami Ballinhassig Glen, ncar Cork, by thc Hev. T . Hincks, of Cork. 17. HELIX ACULEATA, pl. XVII, f. J.-First Ed., pi. ,io, f. l . Hcli:v aculeata, Miillcr, Vcrm., II, p. 8 1; Drapcrnaucl, p. 8.!, pl. 7, f. 1 O, 11; Al<lcr, Mag. Zool. and Dot., II, p. I 0!); !h., Trans. Ncwcastlc Nat. Hist. Soc., I, p. 3G; Tho111p~o11, Anu. ami Mag. Nat. Hist., VI, p. 25; Flcming, Dril. An., p. 2ü2; Gmclin, Linn. Syst., p. 3638; Drown, Ency. Brit., 6th E<l., VI, p. 458; Helix spi1111losa, Lightfoot, Phi]. Trans., LXXVI, p. 166, pi. 2, f. l to 5; Montagu, Test. Drit., p. 424, pl.11, f. JO; Flcming, Edin . Ency., VII, p. 80; Turton, Man., p. 43, f. 33; lb., Brit. Fau., p. 190; Malon nncl llackclt, Linn. Tr., VIII, p. 201; Tcba spinulosri, Lcach, Moll., p. 100. Shcll conical, globosc, lhin, subpcllucid, of a brownish horn- colour; body largo; spirc small, acule, consisling of fou1· clccply <livided, inílatcd volutions; apcrlurc scmílunatccl, a littlc longcr than wiclc, internally proviclccl with a white rib, wilh a ratlwr largo ancl d,•ip umbilicus; wholc surfacc covcred with an epi- dermis, which risos into numcrous, regular, somcwhat longitudi- nally oblique foliations, or strire, which risc intu fine, ílcxiblc, hair-likc, spinous proccsscs. Lcngth mul <liamctcr nbout th<' tcnth of an inch. This is rather a local spccics, inhabiting woocls nll(l shady places, undcr stoncs and lcnvcs, &c. ll has bccn found ncar Bulstroclc, Buckinghamshirc; Lackham, Wiltshirc; Kingsbridgc, Dcvonshirc; Spctisbury, Dorsctshirc; al Dovc<lalc, Dcrbyshirc; ancl thc Dcan, at Twizi l, Northumbcrlan<l; thc Lomoncl Hills, l ;ifcshire; in thc woods at I·lopctoun, Linlilhgowshirc; an<l iu Irelancl it is prctty gcncrally clilfusccl. It was mcl with plcnti- fully al Portmarnock, County of Dublin, by my frir.n<l T. W. Warrcn, füq., of Dublin; nt Ben Bulbcn, County of Sligo, bv William T hompson, Esq., of Bclfast ; and at Miltown ¡\fo\bay, by W . H. I-larvcy, Esq.