V U L U M . 



Plate III. 



Sjjecies 10. (Fig. a, b, Mus. Cuming.) 

 OvuLTJM M.^RGARiTA. Ov. te-itd subventricoKO-ptjriformi, 



alba, extremitatlbns sahnstratis, columella labroque 



(iimidis, modice scnlptis. 

 The pearl Ovulum. Shell somewhat ventricosely py- 



riform, white, extremities somewhat beaked, columella 



and lip swollen, moderately sculptured. 

 SowERBY, Spes. Couch, pt. i. f. 19, 20. 

 Hah. Philippine Islands ; Curaiug. 



Chiefly distinguished by a ventricose pear-shape, not 

 much unlike Cijpraa manjarila in general aspect. 



Species 11. (Fig. a, b, Mus. Cuming.) 



OvuLUJi BIMACULATUM. Ov. testd ovatd, Ucido-albct, ex- 

 tremilatibiis constrictk et rostratis, dorso irausversim 

 striato-inciso, labro crasse varicoso, columeUd snpenie 

 calloso-lirato, inferne late excavatd, vix pllcatd, extre- 

 mitalibtis intus riifo ti/ictis. 



The two-spotted Ovulum. Shell ovate, livid-white, 

 extremities constricted and beaked, back transversely 

 striately engraved, lip thickly varicose, columella cal- 

 lously ridged at the upper part, broadly excavated at 

 the lower, scarcely plaited, extremities stained with 

 red in the interior. 



AmpJiiperas bimoculata, Adams, Pro. Zool. Soc. 1854, p. 

 131. 



Hab. New Caledonia. 



An elegant, constrictedly beaked shell, characterized by 

 the presence of a red-brown blotch within each of the 

 extremities. 



Species 12. (Fig. a, b, Mus. Taylor.) 



OvuLL'M NUBECULATU51. Ov. k'std pijrifonui-ovatd, siib- 

 veiilricosd, rosacco-carneo fasciato-nubeculatd, dorso 

 obscure eostdlato et striato, labro parum incrassato, 

 colunielld siipenie et infenie calloso-liratd, tenuipll- 

 catd, aperturd paluld. 



The clouded Ovulum. Shell pyriformly ovate, some- 

 what ventricose, bandedly clouded with pinkish flesh- 

 colour, back obscurely finely ribbed and striated, lip 

 but little thickened, columella callously ridged above 

 and below, thinly plaited, aperture wide open. 



Adams and Reeve, Moll. Voy. Saraarang, p. 23. pi. 6. 



f. 12 a, i, c. 

 Hab. Island of Basilan, Eastern Seas. 



x\ delicately-coloured shell, of very symmetrical, ventri- 

 cosely pyriform growth. 



Species 13. (Fig. c, b, Mus. Taylor.) 



Ovulum semistriatum. Ov. testd subangusli ovatd, 

 albd, ad extremitates rostratd, dorso medio laviyato, 

 superne et hiferne trail sversim striato-inciso, labro 

 crasse varicoso, columelld calloso-lirald, iiifertie vix 

 plicatd. 



The half-striated Ovulum. Shell rather narrowly 

 ovate, white, beaked at the extremities, back smooth 

 in the middle, transversely striately engraved above 

 and below, lip thickly varicose, columella callously 

 ribbed at the upper part, scarcely plaited at the 

 lower. 



Pease, Pro. Zool. Soc. 18G2, p. 2-il. 



Hab. Sandwich Islands ; Pease. 



There are several species of Ovulum in which the back 

 is transversely striately engraved above and below, while 

 the middle is smooth, but the character is rather promi- 

 nent in this species. 



Species 14. (Fig. a, b, Mus. Cuming.) 



Ovulum umbiltcatum. Ov. testd globoso-pyriformi, temti, 

 veiitricosd, albd, labro parum iiicrassato, columelld 

 snpenie et hiferne calloso-liratd, tenuipUcatd, aper- 

 turd paluld. 



The umbilicated Ovulum. Shell globosely pyriform, 

 thin, ventricose, white, lip but little thickened, colu- 

 mella callously ridged above and below, thinly plaited, 

 aperture wide open. 



SowERBY, Pro. Zool. Soc. 1S18, p. 135 , Thes. Conch. 

 pi. 101. f. 88, 89. 

 Amphiperas umbillcala, Adams. 



Hab. Philippine Islands ; Cuming. Gotto Islands, Japan 

 (at the depth of seventy-one fathoiiis) ; Adams. 

 Remarkable for its short globosely-inflnted pearl-lik(> 



form. 



March, 1865. 



