849 



3. (JERiTHiuM FASCiATUM (pi. clxxvi. f. G, 7, 8, \), 10), Bniff. 

 E. M. p. 474. CerifL no. 3. C. Martinianuin, Pfeiffer, Krit. 

 Regist. C. procerum, Kiener, pi. 18. f. 1. 



Cerith. testa elougata, subpyraraidali, lawi, alba vel fiisco ma- 

 culata vel fasciata, plus iniuusve spiraliter sulcata; anfractibus 

 rectiusculisj ad suturam plicatis ; apertura obliquu, alba ; labio iu- 

 terno vix biplicato ; labio externo antice incrassato ; canali oblique 

 recurvo. 



Much more leTigtbened and with more whorls than C. Vertagus, 

 less swelled in the middle, very slightly grooved, and white- 

 banded or spotted. Mr. Cuming's specimens of the dili'crcnt 

 varieties are from the Philippines. It is reported generally as an 

 Indian shell. 



4. Cerithium PiiAiios (pi. clxxvi. f. 20, 21, 22), Ilhuh, 

 Moll. Voy. Sulph. p. 27. pi. xi. f. 3, 4, C. subulatum, Lamk., 

 no. 23. 



Cerith. testa elongata, alba, pallide lineata vel seriatim punc- 

 tata, spiraliter inciso-sulcata, longitudinaliter crcbre et acute pli- 

 cata; apertura obliqua, alba; labio interno vix biplicato; labio 

 externo antice incrassato ; canali oblique recurvo. 



Smaller^ narrower, and more sharply and numerously plicated, 

 especially at the sutures, than C.fasciatum. The name "subu- 

 latum" is used by Montagu for another species. East coast of 

 Africa. 



5. Cerithium asperum (pi. clxxvi. f. 11, 12), Limiams 

 (Murex asper), Syst. Nat. Clava rugata, Martyn. Strorabus 

 vibex, Gmel. C. asperum, Lamk. Murex granulatus, Linn., nan 

 Brug. 



Cerith. testa elongata, alba, nonnunquam rubro-lineata, longi- 

 tudinaliter plicata ; plicis numerosis, acute serratis ; apertura ovali, 

 obliqua; labio interno postice uniplicato, in medio intiis oblique 

 biplicato, extus unidentato ; labio externo serrato ; canali recurvo. 



The numerous longitudinal ribs are serrated by the spiral 

 grooves crossing them, so as to produce a series of sharp points : 

 these points are formed into a more prominent rib at the lower 

 part of the last whorl. The Hneated variety of this species is rare. 



6. Cerithium lineatum (pi. clxxvi. f. 4, 5), Brug., Lamk. 

 Anim. sans vert. C. asper, var. nonnull. 



Cerith. testa C. aspero simili, sed costis longitudinalibus dis- 

 tantibus' maguis ; sulcis spiralibus paucis plerumque spiraliter 

 lineata. 



