SIGARETU.S. 45 



spira brevi, spiraliter tenuissime striata ; apertura angusta, 

 pyriformi, subobliqua, labio externo teniii. — A small globose 

 uatica-like species, finely spirally threaded, with broad um- 

 bilicus. 



27. FIBULA, f. 39, Reeve. — Testa gloliosa, quam S. pellu- 

 cidus paulo magis obliqua, laevigata ; apertura magis obliqua, 

 labio externo tenuiuscula. — DifferirigfToin S.pellucidus chiefly 

 in the comparative absence of spiral sculpture and in the 

 largeness of the aperture as compared with the front of the 

 body whorl. 



28. PiCTUs, f. 36, Reeve. — Testa ovato-subconica, tenuis, 

 Isevis, umbilicatus, spira brevi, subacuminata, anfractibus 

 superne declivibus, fasciatim pallidissime maculatis ; aper- 

 tura semiovata, labio interno superne incrassato, infra 

 angusto, rectiusculo. — This smooth shell, faintly spotted in 

 bands, and of an oval form somewhat sloped and pointed 

 above, strongly resembles some of the more slender forms of 

 Natica. 



Id 



