86U 



43. Cerithium nigro-punctatum (pi. clxxx. f. 97), Nobis. 



Cerith. testa elongata, acuta, flavida, nodulis nigris in seriebus 

 subdistantibus ornata ; apertura parva, subquadrata, ; canali aperto. 



Eather long and sharp, with several rows of black nodules on 

 each whorl. Mr. Hanley's and Mr. Metcalfe's collection. Locality 

 unknown. 



44. Cerithium suturale (pi. clxxviii. f. 52, 53), Philippi, 

 Abbild. Cerith. t. i. f. 4. 



"Cerith. testa turrita, plicis longitudinalibus, lineis elevatis 

 transversis, nodisque acutis muricata, fulva, ad suturam nigra, 

 granulis biserialibus in cingulo nigro ; plicis circa octo in quovis 

 anfractu, medio acute angulatis ; liris granulatis in basi ; aper- 

 tura ovata ; labro subeffuso, intus sulcato ; canali brevi." 



The angulated plica3 on the whorls are comparatively regular 

 and distinct, and the suture has a line of black upon it, otherwise 

 this species is not very different from C. dialeucim. Mr. Cuming 

 has it from the same place, namely, Island of Ticao, Philippines. 



45. Cerithium dialeucum (pi. clxxx. f. 98, 99), PMUppi, 

 Abbild. pi. i. f. 5, var. ; Phil. Abbild. pi. i. f. 4. 



"Cerith. testa turrita, plicis longitudinalibus circa novem et 

 decern, liris elevatis transversis, nodisque subacutis muricata, pur- 

 pureo ; rufa, liris transversis albis in basi frequentibus granulatis ; 

 apertura ovata ; labro intils sulcato ; canali breviusculo." 



A pretty species, with large distant plica; crossed by granular 

 ridges, the interstices being coloured with a darker tint. Ilab. 

 Island of Ticao, Philippines. 



46. Cerithium fenestratum (pi. clxxx. f. 100), Nobis. 



Cerith. pyramidali, varicosa, alba, interstitiis fuscis ; anfractibus 

 longitudinaliter plicatis, spiraliter striatis, interstitiis depressis; 

 apertura rotunda ; canali distincto. 



The hollow intervals between the longitudinal plicse and spiral 

 elevated stria?, give a cancellated appearance to this species, which 

 is in Mr. Cuming's collection. Locality unknown. 



47. Cerithium turritum (pi. clxxx. f. 101), Nobis. 



Cerith. testa clevata, pallide fulva, cancellata ; anfractibus sub- 

 rotundis, sutura excavata ; apertura brevi ; canali rubro, truncato, 

 recurvo. 



Of a pale yellowish-brown colour, strengthened at the recurved 



