C E R I T H I U M. 



Plate XV. 



Species 99. (Mus. Cuming.) 



Cerithium uxilineatCM. Cerith. testa jmrva, alba, 

 punctis palUdis aspersd, ad suturam lined uuicd spirali 

 rubro-fuscd ciitcld, longitudinaUter subcostatd, spira- 

 liter striata, varicibus subfreqnentibus ; apertui'd pared, 

 canali brevissimo. 



The single-lined Cerithium. Shell small, white, 

 sprinkled with pale spots, girt at the suture with a 

 single, spiral, red-brown line, longitudinally slightly 

 ribbed, spirally striated, varices rather frequent ; 

 aperture small, canal very short. 



Pease. 



Hub. Sandwich Islands. 



A pi'etty little white shell, with a dark reddish-brown 

 oeaded line at the suture. 



Species 100. (Mus. Cuming.) 



Cerithium Ianthinum. Cerith. testa parvd, pyrami- 

 datd, ttlbd, infra flammidis f/iscis pictd, spiraUter 710- 

 duloso-striatd ; aiifractibus nnmerosis, supra medium 

 angidatis ; aperturd parvd, canali brevi. 



The Ianthinum Cerithium. Shell small, tapering, 

 white, painted beneath with flame-like dashes of 

 brown, spirally girt with nodidous striae ; whorls nu- 

 merous, angulated above the middle ; aperture small, 

 canal short. 



GouLP, Otia, p. 63. 



Hab. Clermont Tonnerre, U.S. 



From ]\Ir. Cuming's specimen of this species, which 

 does not exhibit the smallest trace of purple colour, it 

 is difficult to divine the reason for the name lanthiiiuiii 

 being given to it. 



Species 101. (Mus. Cuming.) 



Cerithium egenum. Cerith. testd pyramldatd, albd, 

 spiraliler liratd, scabrd ; anjractibus nnmerosis, rec- 

 tiuscuUs, suturd excavatd; aperturd paulo expansd, 

 labro crasso, canali brevi, distincto. 



The poor Cerithium. Shell pyramidal, white, spirally 

 ridged, scabrous ; whorls numerous, rather straight. 



suture excavated ; aperture a little expanded, outer 



lip thick, canal short, distant. 

 Gould, Otia, p. 62. 

 Hab. Wilson's Island. 



Kesembling C. lacleum, but snuiller, and more varicose. 



Species 103. (Mus. Cuming.) 



Cerithium fucatum. Cerith. testd bi-eviuscidd, conicd, 

 pallide fulvd, avfractibits novem, costis tribits nodnli- 

 feris cinctis (ultimo quinque), inter nodulos rii/o punc- 

 latis, suturd excavatd ; labro sube.vpaiiso, anfice in- 

 curvo, columelld rectiuscidd, canali subclauso. 



The coloured Cerithium. Shell rather short, conical, 

 pale-fawn ; whorls nine, encircled by three nodulous 

 ribs, between the nodules spotted with red, suture 

 excavated, outer lip rather expanded, curved in- 

 wards in front, columella rather straight, canal partly 

 closed. 



Pease. 



Hab. Sandwich Islands. 



The whorls are ornamented 'with beaded ridges, deli- 

 cately spotted between the bends. 



Species 103. (Mus. Cuming.) 



Cerithium rari-maculatum. Cerith. testd parvd, ele- 

 vatd, albd, maculisfuscis raris pictd, spiraUter striata ; 

 anfractibus medio subanr/ulatis, tuberculis rotundis 

 magnis ornatis ; aperturd pared, canali brevi, labro 

 simpUci. 



The few-spotted Cerithium. Shell small, elevated, 

 white, painted with a few brown spots, spirally 

 striated ; whorls slightly angulated in the middle, 

 ornamented with large rounded tubercles ; aperture 

 small, canal short, outer lip simple. 



SowERBY, Thes. Conch, sp. 113. fol. 183. f. 201. 



Hab. Island of Zebu, Philippines. 



Species lOi. (Mus. Cuming.) 



Cerithium Californi^e. Cerilli. testd brevi, ovali, ob- 

 iusd, albd, maculis quadratisfuscis, irregidaribiis pictd. 



December, 1865. 



