168 VANIKORO. 



distance of the ribs, but less oblique, more globose and high, 

 with only very narrow umbilicus. 



5. CLATHRATA, f. 3, Recluz. — Parva obliqua, valide costata 

 tenuiter spiraliter lirata ; apertura brevi lata ; umbilico latis- 

 simo. — A little more close in the sculpture than V. Guerin- 

 iana, and with a still wider umbilicus. 



6. RUGATA, f. 22, A. Adams. — Subovata alta, undis magnis 

 et liris spiralibus partim rugata, anfractu ultimo dorso magis 

 leviter cancellato ; umbilico lato, columella recta, ad STituram 

 extensa, apertura semicirculari. — Oval in the upright direc- 

 tion, broadly cancellated excepting on the back of the last 

 whorl ; apex produced, umbilicus large, aperture semilunar. 



7. SOLIDA, f. 1, Sowerby. — Solida subglobosa; spira pro- 

 ducta, late cancellata ; costis lirisque in ultimum anfractum 

 evandis. — The cancellation becomes obsolete in the later 

 whorls. 



8. PLiCATA, f. 9, Recluz. — Globoso-subovata, tenuiter obli- 

 que lirata, spiraliter tenuissime striata ; spira subacuminata, 

 umbilico angusto ; apertura infra lata, umbilico angustius- 

 culo. — Finely cancellated and with a rather pointed apex. 



9. Petitiana, f. 18, Recluz. — Magna tenuis, tenuiter obli- 

 que lirata, spiraliter striata ; spira producta anfractibus duo- 

 bus convesis, umbilico angustato, apertura magna, columella 

 arcuata. — Large, rather thin, finely cancellated, the oblique 

 lines predominating ; spije consisting of two dome-shaped 

 whorls ; umbilicus narrow, aperture large with arched colu- 

 mella. 



10. Deshatesiana, f. 17. — Quam V. Petitiana altior, 

 magis ovata costis lirisque ad ultimum anfractum evanidis ; 

 apertura magna, alta ; umbilico angustiori ; columella recti- 

 uscula. — More upright oval than sp. 9, the ribs and spiral 

 ridges disappearing in the last whorl ; columella rather 

 straight. 



11. GRANULOSA, f. 4, Recluz. — Subobliqua costis lirisque 

 reticulata, ad angulos monilifera ; apertura subangustata ; 

 apice subacuminato ; umbilico subrotundo. — The sculpture 

 gives rather the appearance of network knotted at the angles, 

 than that of cancellation. 



