H E L I C I N A. 



S;Mrics21. (Mu<. lii-it.) | .^„/„n<;/„l„lo .■ /rJ„o , rh 



Ili.l.IflNA KXSKCIA. //r/. ji'irr,}. Ia:,;)/at,l, iilhiilii, sn- I /"■"/'■' '■olii„„//am Irril 



/lenic fulic/i-nitii. iiiferii!- .oiihlcnliriihiri ; spird trii/uii<}. 



tiimidi'i. (iii/rarlibias jtarvh, riihrn-fiixi-is, kiteribus ' '^'"■- \^'i'i i: Hi M'^in \. SI 



convixis ; ultlimi oiifi-iotn tiiiiiilo, iiifni medium cLpiuv-I, spiic i1c|,it 



leriter aiiinnto ; ti/iiTliir.i /iniWi, (/(/irt'J.-i?, iiitiis 



sukniroi, rohnnr//d p., ml. ami,', ; lahio ,:c/,r„o ad 



Jiiiirtliniiii imiin/iiKllo. 

 TllK KXSKIITEI. llil.K'iNA. Sl,cll small, sinontli. wliifo. 



slightly clcvatr.l almve, rallicr lenticular bmratli; 



spire twiiiia, «lM.rls small, r.'.l.lish-Urowu. with 



coiivx sl.l.s: last wli..rl tiiiiu.l, sliglitly krelcl 



licl.ivv tlu> mi.l.llo; apprtiin- small, ,l",-i,ressc<l, 





Pl-Kll 



Z.-ils.-l 



sll.jil 



M: 



larp 



siiliunvliat ■.'oliliii williiii : r.ilmnlla small, 



outer li]i imtrlii-ii .at llii- Junetinti. 

 (HNl.l.ACll. PleillVr. Maiak. I'.l. IS^S. 

 /I.d,. CuUi. 



I 

 S,Hci,.s 2.-.. (.Mus. Brit.) 



IIl-;i.ICINA INTl-Sl'I.ICATA. /fil.l,<','l tei,lliu.<rill,'i. fulvO- 

 nihi'sci iiti. .--u/n'riH- conict'i, iii/'ernc li'iiticiilm-i ; f/)i)ii \ 

 sulehral.i, n,„ioi, ai>frartil„is hrevlhn^, ad latent ' 

 rectis : aii/~ractii ulliiiin rutuiidatim aiujuliiti) ; cohi- 

 melta brerl, IriijouA ; tid/in iiiteriio tenui.<i!imo ; hibio 

 exieino albidn, siiperni- .■'iibdejirfSM, ad Juncturam 

 aiilicain onanjiiKit", (t inline f:jiiralilir vniplicato. 



TllK .M(piTii-fi.AHi:i) lIixniNA. Shell rather thin, 

 reddish I'uIvdus, euuieal alxive, lenticular below ; 

 spire somewhat elevated, conical, whorls short, 

 straight at the sides: last whorl roundly angular ; 

 columella short, trigonal, inner lip very thin; 

 outer lip whiti.sli, slightly depres.sed above, oinar- 

 ginated and single-plaitt.-d within at the anterior 

 junction. 



Pffiukii. Proc. ZooI. Soc. is.-.d. T 

 lionim. vol. iii. llelicina, f. (JO. 



Species 27. (Mus. Sowerhy.) 



]Ii:i,IC-lN-A TITAMCA. //, /. Icstd CraSsd, snji.rur d,'prrs.'<n- 

 co„ir,K /»/■/-,; rnl,n,</o-co„vex,l „/,/„,„r tenuitn- 

 rui/atd; K/>n,i nhtiis.i, aii/rarUhiis ihpressls. ndiri-=, 

 ultimu anfrartii ,„r,/i,i <n,;/i,/„/o. hit,,, /„.^ri„f,,. 

 iii/rii aiii/idiiiii rubm luiiliiifiito ; lahii, iii/triiii Into, 

 rolundii, calloso ; ,-i,/iii,irl/,i iiiii,/,„l<it.i : hihi.i ,.,■- 

 Unw alb.. n-a.», b,U.. pUwuh,,,,, .../.. n.c ,l,/.nr.„, 

 siipni ini'dhiin siibij-carntii, ad iiiP.diinii jinidiicio, (id 

 JiinrtiiriUii ridiiiiicitd liritir iinanji initn ; ojurrnln 

 riibro. 



The tita.sic IIi;mcin"a. Shell thick, depressed-conical 

 above, rounded-convex beneath, obliquely finely 

 wrinkled; spire obtuse, whorls depressed, red; 

 la.st whorl angular in the middle, banded with 

 yi'llow, with a line of red below the angle ; inner 

 lip broad, rounded, callous ; columella with a 

 single tooth ; outer lip white, thick, wide, flattened, 

 dei)re.s.sed above, a little excavated above the 

 middle, produced at the middle, sliglitly notched 

 at th(! juncture with the columella; oj)erculum red. 



I'oi.v. .Mem. p. no. Sowerby's Thes. Conch. %. 2. 



llah. Cuba. 



One nf the largest species, resembling Ilelu 

 Brianii, but obliquely wrinkled. 



Species 20. (Mus. lirit.) 

 lli:i.iciN'A srcci.NKA. Ili'l. tcitd ii'iiiii, lariijatd, Mtcciiu 



spird depnssu-conioi : iillimu aii/raclu subdeprest<o, I lli.i.i(i> 



February, 187.'!. 



Species 28. (Fig. a, b, Mus. Brit.) 

 nriitosA. Hel. tesld sub<viiq)ressd, leniii, luted 



