LEIOSTRACA. 



Plate II. 



Species 7. (Mus. Cuming.) 



Leiostrac'A acuta. Lei. tesld elongala, subcylhulricd, 



sordide alba ; anfractibus panels, rectiusculis ; aper- 



iiird angustd. 

 The sharp Leiostraca. Shell elongate, subcylindrical, 



dull-white ; whorls few, rather straight ; aperture 



narrow. 

 SowERBY, Pro. Zool. Soc. 1834. 



Although the name of L. acuta has been applied to this 

 shell, its apex is by no means sharp as compared with 

 many other shells of the genus. 



Species 8. (Fig. a, b, Mus. Cuming.) 



Leiostraca folvo-cincta. Lei. testa parvd, subovali, 

 alba, fasciis linearibus duabns, interruptis, spiralibus, 

 ad suturam et si/prcl cinctd ; anfractibus jjerpancis, 

 siibventricnsis ; apertnrd breviusculd. 



The brown-banded Leiostraca. Shell small, sub- 

 oval, white, girt with two linear, interrupted, spiral 

 hands at and above the suture; whorls very few, 

 snbventrieose ; aperture rather short. 



C. B. Adajis, ishells of Jamaica. 



Hab. Jamaica. 



Species 10. (Pig. a, b, Mus. Angas.) 



Leiostraca acutissima. Lei. testa pellncidd, alba, 

 tenuissimd, subj'nsifoniii, pijramidatd, acuminatd ; an- 

 fractibus octo, subinflatis, ultimo maguo ; apertnrd 

 aiigmtd, columella elongatd, rcctiuscidd. 



The very acute Leiostraca. Shell pellucid, white, 

 very thin, subfusiform, tapering, acuminated ; whorls 

 eight, slightly inflated, the last large ; aperture nar- 

 row, columella long, rather straight. 



SowERBY. 



Uab. Sydney Harbour, New South Wales; J. P. Angas. 



A pretty little transparent white shell, resembling L. su- 

 biilatu, but more fusiform, and sharply acuminated. 



Species 9. (Fig. a, b, Mus. Cuming.) 



Leiostraca bilineata. Lei. testa subulutd, subfusi- 

 formi, pallida, fasciis linearibus dnabns spiralibus in 

 medio axfractmuii cinctd; anfractibus eloiigatis, in. 

 medio vix angulatis ; apertnrd elongatd, pi/riformi. 



The two-line Leiostraca. Shell subulate, subfusi- 

 form, pale, girt with two linear spiral bands in the 

 middle of the whorls ; whorls long, very obscurely 

 angular in the middle ; aperture long, pyriform. 



Alder (Eulima), Mollusca of Northumberland and Dur- 

 ham. 

 Helix subulatu, var., Montagu. 



Hab. British Islands. 



Species 11. (Pig. «, b, Mus. Cuming.) 



Leiostraca aciculata. Lei. testa pgramidali, seinipel- 

 lucidd, nitidissimd, sub-iolidd, pallide fulvd ; anfrac- 

 tibus brevibus, rectis ; apertnrd breviusculd. 



The aciciilate Leiostraca. Shell pyramidal, seiui- 

 pellucid, very shining, rather solid, pale-fawn ; whorls 

 short, straight ; aperture rather short. 



Gould. 



ILab. Feejee Islands. 



A very shining pyramidal little species. 



Species 13. (JIus. Cuming.) 



Leiostraca Mindouoensis. Lei. testd albidd, teniii, 

 breci, ventricosd ; anfractibus panels, infiatk, ultimo 

 inagno, avail ; aperturd subovali, columella subtortud. 



The Mindoro Leiostraca. Shell whitish, thin, short, 

 ventricose; whorls few, inflated, the last large, oval; 

 aperture rather oval, columella slightly tortuous. 



Adams and Eeeve (Eulima), Voy. Sam. Moll. p. 52. 

 pi. 11. f. 2.5. 



Kab. Island of Mindoro, Philippines. 



Rather more ovate and ventricose than the greater ])art 

 of the shells composing this genus. 



Ma' 



ISGG. 



