469 



Oval in general form, angular at the back, with a circular small 

 swelling at each extremity, encircled by a cicatrix. 



Found in the Indian Ocean, and Islands Guimaras, Philippines. 



6. OvuLUM BREVE ( pi. ci. f. 70, 71), Smoerhy, Sp. Conch. 

 No. 1. p. 5. 



0. testa ovali, alba, Isevi, canalibus brevibus, integris, apertura 

 angusta, labio externo intiis crenulato, labio interno margine ele- 

 vato, postice tumido, antice ad canalem uniplicato. 



Eesembling 0. lacteum in general form, but with the margin 

 of the inner lip raised into a flexuous keel along the front of the 

 sheU. 



LocaHty unknown. 



7. OvuLUM MARGAEiTA (pi. ci. f. 93, 94). " Liceum marga- 

 rita," Humph, ined. 



0. testa sub-globosa, subpyrifonni, alba ; dorso obscure sub- 

 costeUata, canalibus brevibus, integris; apertura angusta, labio 

 externo crasso Isevi, intus crenulato ; postice labium internum su- 

 perante, in medio lato ; labio interno Isevi, postice tumorem eras- 

 sum subrotundatum ferente, ad canalem recedente, antice tumido 

 ad canalem uniplicato, intiis excavato. 



A smooth, rather globose white shell, with a rather tliick tumi- 

 dity on the body whorl. 



From Puerto Galero and Ticao, Philippines, Cuming. Friendly 

 Islands, Humphry. 



8. OvTJLUM BULLA (pi. ci. f. 83, 83.) Sowerby, junr. MoU. 

 Voy. Samarang, p. 21. pi. vi. f. 5. a, h. 



O. testa ventricosa, subcylindracea, Isevi, antice sub-acumi- 

 nata; canalibus brevissimis integris; labio externo in medio 

 sub-rotundo, intus crenulato; labio interno postice tumorem 

 parvum ferente, ad canalem angustato, uniplicato, intus paululum 

 excavato. 



Differing from 0. margarita and 0. piinctatum in form, being 

 more cylindrical and very narrow at the anterior extremity. 



Brought in the Samarang, from the China Seas. 



9. OvuLUM UMBiLiCATUM (pi ci. f. 88, 89), Sowerby,junr., 

 Pro. Zool. Soc, 1848. 



0. testa globosa sub-pyriformi, alba, roseo pallide tincto, dorso 



