877 



Pyramidal, pale, variegated with pale brown, girt with alter- 

 nately smooth and granulated spiral ridges ; aperture rather round, 

 with the outer lip expanded. Mr. Hanley's and Mr. Sowerby^s 

 collections. Locality unknown. 



1 c. Last whorl hit one large, lad loliorl contracted. — Genus 

 Colin A, A. Adams. 



123. Cekithium pingue (pi. clxxxiv. f. 217), A. Adams. 

 Colina pinguis, ined. 



Cerith. testa ventricosu, medio inflata, striata, pallida, spira co- 

 nica, gracili ; anfractibus medianis tuberculatis inflatis, ultimo con- 

 tracto, ad suturam crenulato, versus aperturam expanso ; apertura 

 parva ; labio interno simplici, labio externo expanso, lineato. 



With a tapering spire, this shell has the middle whorls inflated 

 and tuberculated, and the last whorl contracted. Mr. Cuming's 

 collection, from Port Natal. 



124. Cerithium contractum (pi. clxxxiv. f. 218), Nohis. 



Cerith. testa C. ])vngid simih, sed longe angustiore. 

 A much narrower shell than C. pinguis, with a similar contrac- 

 tion of the last whorl. Mr. Hanley's collection. Locality unknown. 



125. Cerithium macrostoma (pi. clxxxiv. f. 219), Hinds, 

 Voy. Sulph. pi. 16. f. 12. 



Cerith. testa parva, tenui, elongata, costata, spiraliter striata; 

 spira elongata ; anfractibus numerosis, ultimo uno latere contracto ; 

 apertura parva ; labio externo expanso ; canali lato. 



A pretty httle light elongated shell, with the back of the last 

 whorl contracted and the outer lip of the aperture expanded. 

 Borneo. 



126. Cerithium costatum (pi. clxxxiv. f. 220), A. Adams, 

 (Colina) costata, ined. 



Cerith. testa parva, palHda, rubro maculata, solida, elongata, 

 costata, spiraliter inter costas striata, spira elongata ; anfractibus 

 angulatis, ultimo contracto; apertura parva; labio externo expanso ; 

 canali valido. 



Like C. macrostoma, but more solid, less slender, more strongly 

 ribbed, with the outer lip less expanded. Mr. Cuming's collection. 



127. Cerithium pup^forme (pi. clxxxiv. f. 221), A. Adams. 

 CoHna pupseformis, ined. 



Cerith. testa C. costato simili, sed magis elongata ; anfractibus 

 inferioribus gradatim contractis. 



