856 



tellis rotandatis anuata; aiitVactu ultimo imivaricoso ; apertura 

 bicanaliculata ; labio extenio subqiiadrato, crenulato ; canali ob- 

 liqaa, elongata. 



This shell, figured by Kiener under the name C. colmnna of 

 Sowerby, is of a light yellowish colour, and has the angles of 

 the ribs rounded off. It is quite distinct from the shell figured 

 in the ' Genera.' Hub. Islaiid of Masbate, Philippines, Cuming. 



27. Cerithium uncinatuji (pi. clxxx. f. 78, 79), Gmel. 

 (Murex), p. 3542. no. 57 ; Wood, Ind. test. pi. 27. f. 150. C. 

 familicum, C. B. Adams, Shells of Panama, p. 152? 



Cerith. testa conico-tuiiita, apice acuminata, transversim striata, 

 basi biseriatim nodosa, alba, fusco marmorata et lineato-punctata ; 

 anfractibus convexiusculis, in medio tuberculis acutis armatis; 

 ajjcrtura ovato-subcirculari, alba ; labro plicato, antice producto ; 

 canali angusto, longo, uncinate. 



Remarkable for the curved canal, and the prominent principal 

 row of coloured knobs. Guadaloup, Jamaica. 



28. Cerithium atkatum (pi. clxxix. f. 69). Murex atratus. 

 Born, Mus. p. 324. 11. f. 17, 18. Cerithium atratum, Bru(/., 

 Diet. no. 12; Kiener, Mon. Ceritk. pi. 20. f. 3. 



Cerith. testa turrita, apice acuta, varicosa, ustulata ; aufractuum 

 striis transversis granosis, prope suturas bifariam tuberculatis, 

 varicibus sparsis nodiformibus ; canali truncato. 



A black, stout shell, with angular whorls having three rows of 

 beaded ribs on each, and a short, truncated canal. Hab. Sicily. 



29. Cerithium caudatum (pi. clxxix. f. 71, 72), Nobis. 



Cerith. testa C. atrato simili, sed magis acuta; apertura magis 

 expansa, cauda elongatiuscula. 



Differing from C. atratum in being more acute, having a more 

 spreading aperture and a longer caudal canal. It is also more 

 sliarply striated and sculptured, llab. Guadaloup. 



30. Cerithium striatissimum (pi. clxxx. f. 86, 87), Nobis. 



Cerith. testa grisea, nigricante, elongata, minute spiraliter 

 striata, nodulis minutis regularibus divisis ornata; anfractibus 

 angulatis, ad angulum et ad suturam nodulis majoribus ; apertura 

 subovali. 



The regular bead-like nodules of this grisly-coloured species 

 are divided bv the strict, which cross the whole shell in a spiral 



