II MilNiiCI! \|'|l I'V r.lllTISII l,\NI> \N'i> I'liKSIlWVri'.i; MiiI.LrscA, 



Testacella scutulum (i. !>. Sowcrhy. 



IS'J:! Testacella scutulum Snw., (I.'n. ShrlN, pi. l,")ll, IT. :!-li. 



IS-Jd /,/s///,,,/,, |;i>M,, IMm. Nal. I';ui..|,r Mni.L, |.l. I, |.. r>S. 



\S.-<.-> — ,/,,//,>/,,;, rill, -ri/i.-i r,rj\rlui\\K Disl. I ^i'"-. Li lii.'lriciis, |i, I.',. 



ISfl,") — '<lii,llir,l Cml., I)i>.l. Cri,^-, l.illllir,, p. I."). 



IS;-),-. — Inllinlnl,',, ^;l^, .Kriilnliiiii M o.p 'l';Mlil, , Moll. I''l alli-c, ii.,|.. :V.\ : .IcIIVrys, 



I'.iii. (oiirli., i., isii-j, p. I ir., pi. ."., f. 7- 

 isfifi — iiii,r,',-i. nii.ii 'j'appiiiu, /ni,i., p. r,io:i, 



l.SCI — li:,rh,'rnill,i lloniu., Krv. .M ip^. Z.h.I. 



ISIil — 'i„-rrliinlii I'.nni- , Krv. M.l^. Zm,,I., p. ,-,17. 



IS7;) — qi-ilroi l.^s.'l, Anil, .\lii-. Civini, Cmoxa. p. ■!,,. IT. I -.->. 

 l.S.SII — 'irilli,inis;,ni,i Xi.\ill. I'ldc. Zi.nl. Siir., |,. Mil. pi. !:'., f. I. 

 ls:!N 7Vs7<(.r//".v sriihihi-i LrsMHi, Ki'V. Z.inl.. i.. |i. -IW). 



t 



lSTORY.— T.^t,i,rll,i ^,-iit Ilium < ^nitiihni, . .-i little 

 sliicliliwas lir>l Iniiinl in a i^anlon in KiMiiiiiiL;tiiii 

 inad, liaiiilifl li, Surrey, li\' Mi: (i. 15. S(i\\ei'li\', hIiii 

 ririireil .ami ileserilieil it in Ins "(feiiera >\\' Kereiit 

 and l''(i.^sil Sliells," juililislieil in ISl'.'!. 



'I'lie sinierlirral reseinlilanre nt tins s]ii'ries In 

 liiiliiif'iiliii , anil the em 11] ill 'te inimraiiee at I liis ]ieriiiil 

 111 il.s sirikina struetiira.l ]ieeiiliarities, snoii leil tii 

 Siiwerliy's s|ieeies liemi;' iinnersally renarileil as 

 '^'^HSi^^**^ iinl\' a sli-lit \ariety it^ liuHnliiliK , until ISSS, wlien 



'ti ^.; •^HB^ -^LJ^.' llie ]iiililiealiiiii olAlr. Cliarlrs Aslitiinl's aeeiirate 

 V -^>/-„^^t,/<i^-^-rY^ i ilrawiniis ul' lis inleriial nraani/.atinii ilelinilely es- 



--"^ ' talilislieil its s|ierilie status. 



Ill iiiir I'lii'^Iisli le.xt-liiiiiks, 'rc^tiicillii >initiiiiiiii or Tc^tiinlUi linlint'idt'ii 

 are iinliseriininal ely li^iireil as represeiil in^' tlie latter s|ii'eies. |)r. (Jwvii 

 .lellre\'s, in Ins " ISritisli ( 'iinrliiiliia\'," lliunyli nnilnnliteilly re]ireseiitiiia 

 7! Iiiilinfiiliii in \ail. i., at I'. C, ]il. a, \i't linnres allirit nai.ulily the shell ul' 

 7'. siiil iihi III al r. 7, ami alsn in the Sn|i]il(aneut to his wnrk. 



|jii\"ell IJee\e, in Ins " lirilish LamI anil l'\'esln\ater Miillnsks,' L;ives as 

 I lie niinrrii- liaiiri' nii ]i. "_'7 a eii|iy nl' Snwrrliy's nriainal li^iire ul V'.s/r/n //e 

 sfiil iiln III . lull al |i. .".(I, iinilrr I'. Irilhil'iili n , liaines an annual uliieli eaii- 

 iinl Willi |irii|irii'l \" 111' irl'iareil In aii\' nfniir ISiilish s|ieeii's nl' '/is/r/r,'//(/, 

 allhnii.uh llie li^iites nl' llie shell are anml represiail a I n ills nl llinse nf '/'. 



■nrill lllll III. 



'I'l'itturrllit sciilnliiiii may lie rei;a.rilei 1 as InikniL; Inrelher T, :<l,ir, lln IniliU' 

 liili'ii ami Trsliirill,! mil inici . as, all liniii;li lairinilsK' sinnl.ar tn '/'. In lint iiliii 

 III .^nini' I'Xirriial |iiiiiils, il is \rl mil sn aihanrril in lis inlern.al si riiel lire, 

 wliirli III cerlani ini|iiirlaiil resjierls has innre ,allniily wilh llial nl '/'. 

 mil iiijii : llie sniilli l'airii|ieaii exaiii|iles a.|i|irn\iiiiale slill iiinre elnselyiii 

 shnwnii^ lewrr lalri'al ninsrles In llie Iniiinl she.alh Ihaii are iinrinally 

 |irr.siail III liril i.^li r\a.lii|iles. 



Diagnosis. 'I'rsliirill.i sriiliiliiui iiia\ In' re.ailily il i llrrelil i.a I eil rrnlll ils 

 cnii'jnnrrs wlinn I lir aiiiiiLal IS rxlemli'il li\ Ihe rniidnenl nrii;in u\ llie 

 l.itia-.al rrnii\es, a Irilln in ail\;iiire nl', lint jnineil wilh, the |irri|ialli;i 1 I'lir- 



rnw : Mir nsn.ally \i'lln\\ ml ■ nt I lir limiw ;iml I he sin.i 1 let shel I, w liieh is 



Ihil "t I'M'n r '.iM' nil llin n|i|iia' sinraee, hIiIi a lirn.nl. .annnl.arly eiiiiea\e, 



;iim1 ;i linnsi I rniir.a In ml n inni La. 



Iiili'iiiall\ , il iliDias I'inm Iniliul iih ,i in I lir .alisiaiee nl' ihe ll.ai^ell inn In 

 ^^''>' ]iniiis-slii',il h, .a.nil rrniii imiiiiiri \\\ I lir |h i^srssimi n!' nii inrri ins la I eral 

 ninsrlrs In I hr linenal slir;il li. 



