OVULUM. 



Plate XIH. 



Species 57. (Fig. «, li, ilu.s. Taylor.) 



OvuLUM COARCTATUM. Ov. testd eloiujatd, medio ven- 

 tricosn, fidvu, clorso trausversim miiiuli striato, extrt- 

 mitatihm coarctalis, cohinielld depressiusculd. 



The contracted Ovxjlum. Shell elongated, ventri- 

 cose in the middle, fulvous, back traiisver.sely mi- 

 nutely striated, extremities contracted, columella ra- 

 ther depressed. 



Adams and Keeve, Moll. Yoy. Samarang, p. 21. pt. 6. 

 f. 2, fl, b. 



Hah. Straits of Sunda, near Java ; Belcher. 



A very small species of ven simple character. 



Species 58. (Fig. u, h, Mus. Cuming.) 



OvuLTJM arcuatum. Ov. testd anffimfe ovatd, arcuatd, 

 nitente-albd, dorso transversini utriato, extreiiutatibits 

 subretusis, labro bicramuto, coiuiiielld siiperm obtuse 

 tiniplicatd. 



The arched Ovulum. Shell narrowly ovate, arched, 

 shining white, back transversely striated, extremities 

 rather blunt, lip thickened, columella obtusely one- 

 plaited at the upper part. 



Hab. ? 



A shining white species, arcuately bent, with the extre- 

 mities but little produced. 



Species 59. (Fig. a, b. Mus. Cuming.) 



OvuLUM lanceolatum. Ov. testd eloiigato-Ianceolatd, 

 compressd, aiiruntio-rosed, dorso dense trausversim 

 striato, e.vtremitatibus subretusis, labro et columella 

 calloso-involutis, aperturd perariyustd, iiiferrii sinuatd. 



The lanceolate Ovulum. Shell elongately lanceolate, 

 compressed, orauge-p'uk, back densely transversely 



striated, extremities rather blunt, lip and columella 

 callously involute, aperture very narrow, sinuated at 

 the lower part. 



Sowerby, Pro. Zool. Soc. 1S4S, p. 135. 



Hab. Island of Luzon, Philippines; Criming. 



Curiously distinguished bv 

 lanceolate form. 



its narrowly compressed, 



Species fiO. (I'ig. a, b, Mus. Cuming.) 



OvuLtiM VARiABlLE. Ov. testd subeloH(jato-ovatd, sor- 

 dide albd, extremitatibus subacumiualis, labro Modice 

 iiicrassatc, aperturd latiusculd. 



The variable Ovulum. Shell somewhat elongately 

 ovate, dull white, extremities slightly acuminateil, 

 lij) moderately thickened, aperture rather wide. 



C. B. Adams, MS. in Mus. Cuming. 



Hab. ? 



Probably a West Indian species, straight, with the ex- 

 tremities slightly acuminated. 



Species Gl. (Fig. a, b, Mus. Taylor.) 



Ovulum gracile. Ov. testd elongatd, fustforvii, pal- 

 lide fulvd, dorso rubra maryinato, minutissime striata, 

 extremitutibus acumiuato-rostrulis, recurvis, hibrosub- 

 anfjulatim urcuato. 



The slender Ovulum. Shell elongated, fusiform, pale 

 fulvous, back edged with red, very minutely striated, 

 extremities acumiuately beaked, recurved, lip some- 

 what angularly arched. 



Adams and Reeve, Moll. Voy. Samarang, p. 22. pi. (i. 

 f. 11, a, b, c. 



Hab. East coast of Borneo ; Belcher. 



An extremely characteristic species, recurved and acu- 

 minately beaked at the e.xtremities. 



June, 1865. 



