800 



27. Eulima brevis (pi. clxix. f. 32), Sowerbg, Pro. Zool. Soc. 

 1834, Conch. Hlustr. f. 15. 



E. testa brevi, acuminata, hyalina, varicibus subsecundis; aper- 

 tura antice rotundata. 



The spire of this species is short, rather inflexed, and composed 

 of numerous convex whorls ; the last whorl is large ; the aperture 

 is oval and rounded anteriorly, and the outer lip is somewhat di- 

 lated, reflexed, and produced anteriorly. 



Pacific Ocean; on the shells of the Pearl Oyster. (Mus. 

 Cuming.) 



28. Eulima nitida (pi. clxix. f. 17, 20), Lamarck (Melania), 

 Hist. An. s. vert. vol. viii. p. 447. no. 8. 



E. testa subulata, alba, glabra, nitidissima ; anfractibus quinque, 

 planulatis; apertura ovato-acuta, antice subreflexa; labro acuto, 

 arcuato. 



Small, subulate, white, polished ; whorls from four to five, flat- 

 tened ; aperture acutely ovate, somewhat dilated, and everted an- 

 teriorly ; outer lip simple, arcuated. 



Mediterranean. 



Genus NISO, Eisso. 



Animal as in Eulima. 

 Operculum horny, subspiral. 



Shell subulate, turreted, many-whorled, axis perforated ; aper- 

 ture oval, anteriorly angulatcd j outer lip simple, acute ; umbilicus 

 very deep, extending as far as the apex of the spire. 



Spi. Bonellia, Desli., not Rolando ; Janella, Grat., not Gray. 



1. Niso tekebellum (pi. clxx. f. 6, 7), CJiemnitz (Turbo), 

 Conch. 10. t. 165. f. 1592, 1593. Bulimus terebellatus, Lam. 

 Hist. Helix terebellata, Brocc. Bonellia terebellata, Desh. 



N. testa acuminato-pyramidali, brunnea aut sordide alba ; an- 

 fractibus paullulum rotundatis ; umbilico magno, patulo, perom- 

 phalo angulato ; apertura antice angulata et producta. 



Acuminately pyramidal, brown or dirty white; whorls some- 

 what rounded ; umbilicus large, open, the circumference angu- 

 lated ; aperture produced and angulated anteriorly. 



Nicobar. (Mus. Cuming.) 



