386 



fusco-rufa flavido alternatim zonata, stria intercurrente ; anfr. 

 7 convexiusculis, apicalibus granulosis, ultimo magno: apertura 

 anguste ovata ; labro obliquo intus 7 denticulato et fasciato ; colu- 

 mella excavata, rufa. Axis 12 ; diam. 6 millim. Inhabits Ou- 

 sima, under stones, at low-water mark. W. S. 



TuRRiTELLA GRACILLIMA. T. parva, gracillima, acicularis? 

 tenuis, dilute fulva, fascia pallida cincta ; anfr. 18-20 convexi- 

 usculis, filis volventibus tribus et antrorsum nonnullis minoribus 

 sculptis ; basi convexo, nitido : apertura circularis. Axis 20 ; 

 diam. 4 millim. Inhabits Kagosima Bay. Very common. W. S. 



One of the most delicate of species, looking hke a young shell ; 

 but the number of specimens and of the whorls would indicate this 

 as the usual aspect of the shell. 



Cerithium lacertinum. T. turrita, fusiformis, tenuis, cine- 

 rea fusco maculata ; anfr. 10 convexiusculis bene discretis, posticis 

 plicatis et filis granulosis 4 ad anfractum ultimum demum sim- 

 plicibus cinctis, minoribus plerumque intervenientibus : apertura 

 semihmaris ; labro acuto ; rostro abbreviato. Axis 13; diam. 

 4 milhm. Inhabits Sydney Harbor. W. S. 



Exceedingly like C. lima, Brug. It has no varices however, 

 is less slender, and differently colored. It is also like C. grana- 

 rium, Kiener. 



Cerithium stigmosum. T. elongato-conica, albida, granu- 

 lata, granulis fuscescentibus in seriebus tribus dispositis quorum 

 mediana ad anfractus anticos bipartita; anfr. 8-|- convexiusculis, 

 ultimo varicoso: apertura rotundato-ovata ; columella arcuata, 

 callosa ; rostro bievissimo, obliquo. Axis 7 ; diam. 2-|- millim. 

 Inhabits Bonin Is. AV. S. 



A minute species with the characters of (7. lacteiim and C. pa- 

 pillosum. 



Cerithium placidum. T. minuta, elongata, acute conica, 

 lactea (apice rufo), crassa ; anfr. 11 convexiusculis, fihs 5-6 cinc- 

 tis, posticis plicatis etiam granulatis ; sutura impressa : apertura ^ 

 totius longitudinis, rotundato-ovata ; rostro brevissimo. Axis 8 ; 

 diam. 2 millim. Inhabits China Seas. "W. S. 



Another small species of the same group. 



