202 INDEX AND SYNONYMY. 



Dialeucum (Cerithium), Phil. Abbild. t. 1, f. 5, 1849, . . 130 

 Diastoma, Desh. Traite. Conch. 46, 1848, . . . .118 

 Diemenense (Cerithium), Quoy. Voy. Astr. iii, p. 128, t. 55, f. 



11,13,1834, . . . 166 



Diminutivum (Cerithium), Phil. Archiv. fur Natur. p. 67, 



1845, 138 



Diplax (Bittium), Watson, Challenger, Exp. xv, p. 555, t. 38, 



f. 4, 1886, . ' . . .156 



Dislocatum (Cerithium), Say. Journ. Philada. Acad. ii, p. 236, 



1822. = TerebraPetiti,'Kiener 145 



Disiinctus (Triforis), Desh. Conch. Reunion, p. 103, 1. 11, f. 30, 



31, 1863. - T. ruber, Hinds. . . . . . . 183 



Distinguenda (Triforis), Dkr. 1881, Jouss, Bull. Soc. Mai. Pr. 



227,1884, ...... ... 190 



Ditretus, Piette, Compt. rend. Assoc. Franc. 1875, . . .117 

 Dolicha (Triforis), Watson, Challenger Exp. xv, p. 565, t. 42, 



f. 1, . . , .178 



Doliolum (Cerithium), Weink. Conch. Mittel. ii, p. 157, 1868, 



= C. rupestre, Risso. . . . . . . . .126 



Dorsuosum (Cerithium), A. Ad. Thes. Conch, ii, p. 867, f. 138, 



140, 1855. = C. aduncum, Old 139 



Dorsuosum (Cerithium), Menke. Zeitsch. fur Malac. p. 60, 



1844, 144 



Douvillei (Triforis), Jouss. Bull. Soc. Mai. France. Pt. 3, f. 241, 



t. 4, f. 3, 1884, 180 



Dubium (Cerithium), Sowb. Thes. Conch, ii, p. 864, f. 120, 



1855. = C. eludens, Bayle. 136 



Ducosensis (Mastonia), Jouss. Bull. Soc. Mai. France. Pt. 3, p. 



251, t. 4, f. 10, 1884. = T. violaceus, Quoy. . . .182 

 Dunkeri (Triforis), Jouss. Bull. Soc. Mai. France. Pt. 3, p. 222, 



1884, .189 



Ebeneum (Cerithium), Brug. Euc. Meth. t. 442, f. 1, a. b. 



= P. ebeninus, Brug 158 



Ebeninus (Cerithium), Brug. Diet. No. 26, ... 116, 158 



Eburneum (Cerithium), Brug 128, 129 



Echinatum (Cerithium), Kien. Coq. Viv. 7, t. 3, f. 1. 



C. columna, Sowb 1 23 



Echinatum (Cerithium), Lam. Anim. sans Vert. sp. 12, . 123 



Ecostata (Cerithium submammillatum, var.), Monts. Nom. 



Conch. Medit. p. 123, 1884, 158 



Egenum (Cerithium), Old. Bost. Proc. iii, p. 120, 1849, . .137 

 Elegans (Bittium), Petit, (not Blainv.), Journ. de Conch, iv, p. 



431, 1853. = B. lacteum, Phil lf>0 



Elegans (Cerithium), Blainv. Faune Franc. Moll. p. 159, t. 62, 



f. 9, = C. punctatum, Linn. . . . . . .170 



Elegans (Triforis), Hinds. Ann. and Mag. xi, p. 18, 1843, . 189 

 Elongatum (Cerithium), Anton. Verzeich. p. 66, 1839, . .144 

 Elongatum (Cerithium), Sowb. Thes. Conch, ii, p. 878, t. 84, f. 



233, 234, 1855. = C. reticulatum, Da Costa. . . . 150 



