804 



L. testa elongato-turrita, basi subobesa, suturis impressis ; an- 

 fractibus decern, convexis ; apertura ovata ; pellucido-alba, opaco- 

 albo maculata et lineata. 



Elongate-turreted ; whorls rather convex, sutures impressed; 

 nearly transparent, mottled with opaque white ; aperture oblong. 



Mindoro Sea; Philippines. 



6. Leiostraca varians (pi. clxx. f. 23, 24), Sowerby (Eu- 

 lima), Pro. Zool. Soc. 1834; Conch. Illustr. f. 14. 



L. testa subfusiformi, acuminata, tenui, coloribus varia ; aper- 

 tura oblonga. 



Subfusiform, acuminated, thin, colour various; aperture ob- 

 long. Some varieties are white, others brown, and others are 

 marked with brown lines and are mottled. 



Xipixapi, Meridional America. (Mus. Cuming.) 



7. Leiostraca tjnilineata (pi. clxx. f. 17), Adams et Reeve 

 (Eulima), Zool. Voy. Sam. Moll. p. 52. pi. 11. f. 23. 



L. testa aciculata ; anfractibus octo, plano-contiguis ; apertura 

 suboblonga ; rufo-brunnea, hnea unica nigrante cingulata. 



A rich red-brown, sharply aciculated species, with the sutures 

 almost obsolete, and encircled throughout with a faint blackish 

 line. 



Sooloo Sea. 



8. Leiostkaca bivittata (pi. clxx. f. 18, 19), et A. Adams, 

 Genera of Eecent Mollusca. Eulima bilineata, Adams et Reeve, 

 Zool. Voy. Sam. p. 52. pi. 11. f. 24. 



L. testa aciculata ; anfractibus novem ad decern, plano-convexis ; 

 apertura oblonga ; labro superne inflexo ; pellucido-alba, vitrea, 

 lineis tenuibus, castaneis cingulata. 



A light, transparent, glassy species, encircled with two delicate, 

 brown lines, of which the lower falls exactly in the place of the 

 sutures. 



Sooloo Sea (from the stomach of an Echinus) . 



9. Leiostraca recta (pi. clxx. f. 25), C. B. Adams (Eulima), 

 Shells of Panama, p. 199. 



E. testa elongata, ovato-conica, albida, fascia una opaca, et 

 altera diaphana infra-suturalibus ornata, ad labrum et ad gradus 

 setatis fusco, exile bimaculata, lEevi, nitente, striis nonnullis gradus 

 aetatis monstrantibus ; apice acutissima ; spira recta, conica ; an- 

 fractibus undecim, subplauulatis, sutura inconspicua; anfractu 



