474 



nato, intus et ad extremitates usque ad marginera dentato ; labio 

 interno Iffivi, intus longitudiualiter sulcato, postice tumorem ele- 

 vatum crenulatum fereute, ad canalem recedente; antice angus- 

 tato, tuniido ; ad canalem sub-uniplicato. 



Not so angular as 0. striatulum, and with the teeth of the 

 outer lip forming denticulatious at the outer margin. The colour 

 is pale rose, strengthened at the margin and extremities, with two 

 longitudinal waved bands at the back. 



Brought in the Samarang. Caramata Passage. 



22. OvuLUM FORMOSUM (pi. ci. f. 99, 100), Sowerhy, jimr., 

 Moll. Samarang, pi. vi. f. 6. a, b. 



0. testa elongata, in medio sub-angulata, violacea, ad extremi- 

 tates fusca, Hneis puncturatis cincta ; canalibus brevibus, valide 

 emarginatis ; apertura angusta ; labio externo in medio sub- 

 angulato, denticulato, ad extremitates brevi, postice ad marginem 

 externum dentato; labio interno Isevi, longitudiualiter sulcato, 

 postice tumido, ad canalem angusto, rectiusculo, antice ad canalem 

 rectiusculo. 



Of an elongate angular form, and remarkably bright violet 

 colour with yellow tips ; the spiral strise regular and beautifully 

 punctured, the extremities rather produced, the outer Hp short at 

 the ends, and denticulated ; the denticulations reaching the outer 

 margin at the posterior extremity. 



Brought in the Samarang. East coast of Borneo. 



23. OvuLUM Frumentum (pi. ci. f. 103, 104), Soicerhi/, 

 Sp. Conch. No. 1. p. 7. 



" 0. testa oblonga, dorso trans versim gibboso, rubescente, 

 transversim albido-unifasciata ; labio externo niargine planulato 

 intus denticulato ; labio columellari superne calloso, infra depresso ; 

 extremitatibus sub-acuminatis obtusiusculis." 



The only specimen of this shell which I have seen is the one 

 in the British Musemn ; it is of a crimson colour, with a wliite 

 band in the centre of the back. It is not unlike 0. Semimdum ; 

 but the ends are narrower, and the outer lip is denticulated. 



Locality unknown. 



24. OvuLUM TRITICEUM (pi. c. f. 20, 21), Lamarclc, Anim, 

 s. vert. vii. p. 361. 



O. testa longitudiualiter ovali, isevi, rubra ; canahbus brevius- 

 culis ; apertura aperta, labio externo intiis crenulato, antice sub- 



