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

I:- vo1.un ::.] l\-IOLLUSCA. 57 "This l"ery clcgant spccics in shapc vcry mnch rcscmblcs a ~mall Bu/111 l(g11w·i<t; but is of a more conic urnl shape, \\'ith t.he rnlution, more looscly conncclcd; the crown is mnbilicat cd, ami, logcthcr with thc pillar, purc whitc:. On thc bo,ly are regular, rathcr broa<l, alternate, t rans,·ersc bands of white and pale rnfons brown; all(J round cach of the whilc bclts is a regu- lar linc of vcry minute, raiscd granular dol s. "Founcl ncar lhe Land's End." In the cabinet of l\fr. Clark. ·l. IlUJ.1.A HrnAT1s, pi. XIX, f. 2!), 30.-First E<l., pi. 38, f. 2!), 30. Bulla llydati.,·, Linn,·, Sysl. Nat., p. 1183, No. 377; Dono- ,·an, pi. SS; Mo11tag11, p. 217; Lamarck, VI, pt. 2nd, p. 35; Flcming, Brit. An., P· 292. Shcll somewhat opaque, tnmid, 110 apparent spirc, but in its slcad an nmbilicated hollow, slightly ornl, thin, fragile, subpel- lucid, of a yellowish, or grcenish horn-colour, with a thin, transparcnt, fcrrnginons epidermis; superior portion of thc apcrturc oblong, rising abo,·c the body, all(l roun<lc<l, a lit.ti <, conlractcd at thc top, allll widcning bclo\\·, wherc it terminales in a roun<led base; uuter lip thin, slightly inflcctcd; inner lip white, a little rcílccted on the columella; wholc surface with fme transverse stri.c, allll remole longitudinal lines of growth. Length an inch ; breadth three-quarters. Found at \Veymouth ali(! Poolc, Dorsctshire; Salcomb Ilay, Devonshirc; and is not uncommon on lhe \V eslern coas!. 5. Bu1.LA l'R0DUCTA, pi. XIX, f. 15, 16.-First E<l., pi. :1s, r. 15, 16. Shcll subcylindrical, \"cry pellucid, white, smooth, an<l glossy; spire concealcd, subumbilicate; aperture narrow, tcrminating in a rather acule base; outcr lip very thin, rising considerably above the body, an<l somewhat pointe<l; a fcw obsolete wrinkles abo,·e. Lcngth not a tenth of an inch ; brca<lth hanlly a third of its length. Founcl at Dunbar, by my late fricnd General llingham, ancl is in his cabinet. 6. Bu1,LA STRIATA, pi. XIX, f. ,!J, 42.-First Ecl., pi. 38, f. 41, 42. Shcll oblong-oval, i11ílate<l, white, ancl opaque; spire con- cealecl, ami subumbilicatc; aperturc a littlc contracte<l above, widcning bclow, ancl terminating in a rouncled base; outcr lip smooth, thin at thc eclge, elevatecl a little above the body; inner lip thickenecl, ancl slightly fol<le<l back towarcls the base, producing a small subumbilicus behind, ancl somewhat <lupli- cated; whole surfocc covercd with minule, unclulating, trans- vcrse stri.c, thc intcl'lnc<liate oncs finer than the others, with a fcw, nearly obsolete, longitudinal lines of growth. Length not quite three-cighths of an inch; brcadth two-eighths. Fouml at Grceuock, by my friend Stewart Kcr, Esq., to whose zeal we are in<lebtecl for the <liscol'cry of severa! rare and intcresting specics. 7. Bur.1,A DENTICULATA, pi. XIX, f. 25, 2G-First E<l., pi. 38, f. 25, 26. Bull<t dcnticulata, A<lams, Linn. Tr., V, p. 1, pi. 1, f. 3, 4, 5; Montagu, p, 217; Fleming, Ilrit. An., p. 29,1; Maton ancl H.ackctt, p. 122. Shell oblong, smooth, glossy, pclluci<l, white; apcrture con- trac!ccl above, ancl considcrably expanclcd beneath; outer lip ¡> lel'lninatiug in a sharp, toolh-likc proccss, ancl cxtcnding some- what abore lhe body. Founcl in saml at The \Vash, coast of Pcmbroke, by l\fr. Adams. I t secms a rarc species. 8. Buu,A E~IARGINATA, pi. XIX, f. 21, 22.-First Ed., pi. 38, f. 21, 22. Bulfo cma1-gi11al<t, Adams, Linn. Tr., V, p. 2, pi. 1, f. f), 10, 1_1 ; Montagu, p. 216; i\faton an<l llackctt, p. 122; Fleming, p. 294. Shell pcllucid, smooth; bocly elongatc, subcylinclrical, na1·- rowcr below; apertnre very wicle; outcr lip much cxpandccl; . inner lip slightly inflcctcd. Found on thc coast, near Pembroke, by Mr. Aclams. 9- BULLA CnAt-c1111. Bulüi Cm11chii, Leach ; Fleming, Brit. An., p. 292. Shell subcylit,drical, apex concavc, slrongly striated, spirally, in ban<ls; aperlure narrow; ontcr lip thin, ncarly cl'en; pillar lip straight, a lillle reílectccl, ancl forming a slight cavity, aiul is somewhat wa,·ccl whcre it joins the outcr lip. Lenglh six- tcnths of an inch; diamcter four-tenths. Found in Plymouth Souncl, by Mr. Pridcaux. The aperture bcing so narrow, renclers thb contiuuation of the pillar invisible. Sub-Gcnus 2.-Bu,.r.,EA.-Lamm·ck. Slwll ve1:1J thi11, dcstitute of cpidcl'mis, mul conccaled in tite 11wntlc ef tlw a11imal; somcu;lutt im:oluie 011- 011c siclc, mul without a columell<t 01· spii-c ; apci·ture large 1mcl u:idc. J. IluLLíEA Al'ERTA, pi. II, f. 5 all(l 7_.-First Ecl., pi. ,1,J, f. f> and 7. Bull{f!a a.perta, Linné, p. 1183, No. 376; Lamarck, VI, pi. 2nd, p. 30; Forhes, p. G; Bulla <1JJe1·ta, Monlagu, p. 208; Maton ami llackett, p. 121 ; Donovan, pi. 120, f. 1, I ; Da Costa, p. 30, pi. 2, f. 3; Fleming, p, 2!)4; Brown, vVernerian Mem., II, p. 5 16. Shell compressecl, suborhicular, milk-white, very thin, pellu- cicl, all(l briltle; body slightly involute in front, Yery small, destilute of a spire, ami not umbilicate ahove; apcrturc ex- tremely large and expan<le<l, occupying nearly the whole ~hell; outer lip semicircular, very thin at the eclge, ami clevatc<l con• siclerably above the bocly; columellar lip vcry shorl ancl narrow; external surface glossy, with faint longilu<linal lines of growlh. Lcmgth one inch ; breaclth thrcc-fourths; but it is only in par- ticular localities where it atlains this size. Not uncommon on many of the coasls of Grcat Britain ami Jrelancl; we may particularise Dorsetshire, South Devon, Corn- wall, Northumberland, Tenby, Frith of Forth, ami Dublin Bny1 2. IluLLa,A CATJ:-;A, pi. XIX, f. 33, 34-Firsl E<l., pi. 44, f. 3:1, 34. B-ull<i Cati'.na, Montagu, p. 215, pi. 7, f. 7; Maton nn<I .Ilackctt, p. 122; Brown, Ency. Ilrit., VI, p. 434; Turton, Brit. Fau., p. 168; Fleming, p. 294. Shell oblong-ovatc, pellucid, white, an<l glossy; bocly small, incurvecl; apex obtusc, with a visible involution abo\·e; apcrturc cxlremely large, occupying almost the entire shell, cncling in a well roun<lecl base; outer lip thin al the e<lgc, hut not extend- ing abu,·e the hocly; no reflection of the inner lip on the pillar; wholc surface covere<l with numerous, t~ansYersc, chain-likc