CERITHIUM.— Plate I. 



Species 3. (Mus. Cuming.) 



Ceeitiiicm nouulosuji. Cerilh. testa magna, solidd, 

 pyramidatd, lottgitudinaliter plicatd, spiraliter lineis 

 incisis striatd, grised, jnacullsfiisco-ttigiTscentibus va- 

 riegatd ; anfractibus medio veutiicosis, angulalis, plicis 

 maximis rotiDidis; aperturd magrid, canali posticu va- 

 lido, labio interiio laminaio, coluiiwlld vniplicatd, ca- 

 nali oblongo, subreciirvo, labro radiatim expanso, su- 

 perne trilobalo, stipra medium angulato, aiitice laquealo, 

 trans canalem prodncto. 



The nodulous Cbrituicm. Slidl large, solid, pyra- 

 midal, longitudinally plaited, spirally striated with 

 incised lines, grey, variegated with blackish-brown 

 spots; whorls ventricose in the middle, angulated, 

 with very large round plaits ; aperture large, poste- 

 rior canal distinct, inner lip laminar, columella single- 

 plaited, canal oblong, turned slightly backwards, 

 outer lip radiately expanded, trilobed above, angular 

 above the middle, fluted in front, and produced across 

 the canal. 



Bruguiere, Diet. No. 8. 



Murex aluco. Born (not of LiuuEeus). 



Murex tuberosus, Dilhvyn (not Buccinum tuberosum 



of Fabrieius). 

 Murex nodulosus. Wood. 



Hab. ^Molucca and Philippine Islands. 



Species 4. (Mus. Cuming.) 



Ceeithium subnodosum. Cerith. testd oblongo-subcylin- 

 draced, solidd, pallida, grisescente, castaneo late fas- 

 ciatd, longitadinaliter plicatd, plicis subobliquis ad 

 suturam nodulosis, ad angulum acuminaiis infra, me- 

 dium evanidis ; anfractibus numerosis, supra medium 

 angiilatis ,- aperturd alba, canali brevi aperio. 



The subnodose Ceeithium. Shell oblong-subcylin- 

 drical, solid, pale, greyish, widely banded with chest- 

 nut, longitudinally plaited, plaits slightly oblique, 

 nodose at the suture, sharp at the .angle, disappear- 

 ing below the centre, whorls numerous, angular 

 above ihe centre ; aperture white, canal open, short. 



Adams, Sowerby, Thes. Couch, vol. ii. p. 864. pi. 178. 

 f. 47. 



Hab. New Holland. 



The plaits in each whorl are partly interrupted between 



the suture and the angle, they are prominent at the angle, 

 and disappear below the middle. 



Species 5. (Mus. Cuming.) 



Ceeithium tuberosum. Cerith. testd rugosd, pyrami- 

 datd, solidd, nlbu-grisescente, maculis et strigis rubes- 

 centibus pictd, longitudinaliter plicatd, irregulariter 

 raricosa, spiraliter sulcata ; anfractibus medio angu- 

 lutis, plicis distantibus, angustibus, medio angulatis ; 

 aperturd magna, labro expanso, laqiieato, trans canalem 

 produclo, canali postico valido, plied prominente, colu- 

 mella arcuatd, canali oblongo, subtorluo. 



The tuberose Ceeithium. Shell rugose, pyTaraidal, 

 solid, greyish-white, painted with reddish spots and 

 stripes, longitudinally plaited, irregularly, varicose, 

 spirally grooved; whorls angulated in the centre, 

 plaits distant, narrow, angular in the centre ; aperture 

 large, outer lip expanded, fluted, produced across the 

 canal, posterior canal distinct, with a prominent plait, 

 columella arched, anterior canal oblong, slightly tor- 

 tuous. 



Buccinum tuberosum, Fabrieius, Column, aquat. et terr. 

 Obs. p. 53. f. 6. 

 Slrombus striatus, Schroter. 

 Cerithium erytliraonense, Lamark. 

 Cerithium tuberosum, Sowerby. 



Hab. Near Suez. 



Species 6. (51us. Cuming.) 



Cerithium Ruppellii. Ceritli. testa oblongo-cylindraced, 

 albd, grisescente, castaneo, maculatd, longitudinaliter 

 plicatd, plicis noduliferis, nodulis promitientibus, dis- 

 tinctis, circularibus, anfractibus angulatis ; aperturd 

 ovatd, canali postico pareo, canali antico breviusculo, 

 labro incrassato, sube-vpinso. 



Ruppell's Ceeithium. Shell oblong-cylindrical, white, 

 greyish, spotted with chestnut, longitudinally plaited, 

 plaits noduliferous, nodules prominent, distinct, cir- 

 cular ; whorls angulated ; aperture ovate, posterior 

 canal small, anterior canal rather short, outer lip 

 thick, rather expanded. 



PniLiPPi, Abbild.uudBesch. Conch. Cerithium, pi. 1. f.l. 



Hab. ? 



A rather cylindrical species, characterized by defined, 



rounded, prominent nodules. 



