12 • ODONTOSTOMA. 



tigui, plani; sutura coinplanata; aperlura seniilunaris; iabruni 

 tenue, acutuni; colunielia incrassata, impressa, bilainellata. — 

 Diam. 5, alt. 3 mill. (0.) 



Odontostoma depressa Orb. mb. I. p. 238. t. 18. f. i— 7.*) 

 Habitat in iOteriore insulae Cubae (Sagra, Orb.). 



4. O. allognotum (Proserpina) Jonas. 



T. orbiculato-discoidea, depressa, supra aequc ac infra con- 

 vexiuscula, glabra, nitida, alba; callus basalis circularis; anfr. 6 

 planulati, suturis parum distincti, ultinms obtuse carinatus; aper- 

 tura semilunaris , transversa , dentibus 3 linguiformibus intus 

 coarctata; labrum simplex, acutum. — Diam. 3'". (Jon.) 



Ilelicina linguifera Jonas in Wiegm. Arch. 1839. 1. p. 341. 



Proserpina allognota Jonas in Zeiischr. f. Mal. I8i6. p. 12. 



Ilelix .... Fer. hist. Fasc. 34. t. 4. f. 13? 



Habitat . . . . ? 



5. O. nitidum Guilding. 



T. imperforata, depressa, subdiscoidea , nitidissima, succinea 

 velfulva; spira subplanulata; anfr. 6 celeriteraccrescentes, sutura 

 lineari, marginata dislincti, ultimus latus, depressus, basi vix 

 convexiusculus, medio callosus; apertura subtriangularis, laraellis 

 4 coarctata, 1 inaxima in ventre anfractus penultimi, secunda, 

 subtorta, valida ad coluinellam, 2 parallelis in basi anfractus 

 ultimi; perist. simplex, acutum. — Diam. maj. 9, min. 8, alt. 

 4 mill. (CoII. Nr. 1.) 



Prose7'pi7ia Tiitida Guild. mss. (in sched. Cuming.) 



— — So20. Gonch. Man. cd. II. p. 237. f. 27 4. 



llelix Proserpiiia Pfr. in Zeitschr. f. MaL 18 45. p. 84. , 



_ _ Chemn. ed. II. Hehx t. 100. f. 12 — 15. 



Habitat in insula Jamaica. 



G. O. opalinum (Hclix) Adams. 



T. imperforata, depressa, nitidissiina, virenti-vitrea ; spira 

 planiuscula; anfr. ^^ planulati, ultimus depressus, basi excavatus; 

 apcrtura obliqua, lunaris, lamella spirali elevata, exlus in basi 

 conspicua et marginem attingente coarctata ; perisl. simplex, acu- 



*) An cadein specio.s? T. discoidca, iiilida; spira ])hiiiiii.scula ; aiilV. :i% 

 celeriler crescenlos , iiltinius tiasi coiivc.\iusculus , callo lcnui, diiruso ohduelus; 

 coluniella hasi denlata; apertura ohliqua , lunala , plica unica spirali, acula in 

 anfraclu pcnullinio piope denlem coluniellareni posita , ad oriliciuni usque poi- 

 rigenUi coarclata; perisl. siiiiplex , sii|>erne dilalaluni. — Diaii). 3, all. ^"/i niill 

 — llclicina plyclioslonia PIV. iii Mus. Berol. iiicdit. — Misil E Otlo c.\ iiisula 

 {lulia . ulii legil in districlo Callajahas. 



