INDKX AND SYNONYMY. 215 



Nodiferus (Tritoris), Ad. and Kve. Voy. Haniarang. p. 46, t. 11, 



f. 87, a. b. 1850, . .177 



Nodosus (Strombus), Schroeter. Tlie.s. Coneh. 386. 



=: Cerithiiim vulgatuin, Brug. . . . . . . 125 



Nodulosa (Cerithiuni vulgatuni, var.) Phil. B. D. D. jNIoII. 



Rouss. 200, . ' 126 



Nodulosuiu (Cerithiuni), Brug. Ene. Meth. t. 442, f. 3, . 122 



Notatuni (Cerithiuni), ]Menke. Synopsis, p. 33, 1826. 



=: C. niusearum, Say. ....... 132 



Novae-Hibeniiaj (Cerithiuni), A. Ad. Thes. Conch, ii, p. 857, f. 



84, Sr^, 1855. = C. eburneuni, Brug. .... 129 



Novie-Hollandiae (Cerithiuni), A, Ad. Thes. Conch, ii, p. 864, 



f. 54, 1855, 124 



Obeliscoides (Cerithiuni), JcfFr. ZooL Proc. p. 55, t. 6, f. 4, 4a. 



1885, 175 



Obeliscus (Cerithiuni), Brug. Encyc. INIeth. t. 443, f. 4, a. b. . 146 

 Obesuhi (Cerithiopsis tubercuhiris, var.) B. D. D. Moll. Rouss. 



p. 205, t. 27, f. 4, 1S,S4, 168 



Obesula (Mastouia), Jouss. Bull. Soc. Mai. France. Pt. 3, p. 



255, t. 4, f. 17, 1884, 185 



Obesuluni (Cerithium), Sowb. Reeve's Conch. Icon. sp. 149, 



1865, 139 



Obesulus (Triforis perversus, var.), Monts. B. D. D. Moll. 



Rouss. p. 212, t. 26, f. 18-20, 1884, . . . . .187 

 Obesum (Cerithiuni), Sowb. Thes. Conch, ii, p. 868, f. 141, 142, 



1855. = C. repletulum, Bayle. 139 



Obscnruni (Cerithium), Homb. and Jacq. Voy. Astr. and Zelee. 



V, p. 102, t. 24, f. 5, 6, 1854. == C. morus, Lam. . . 138 



Olrtusuni (C'erithiuni), Lam. Anim. sans Vert. No. 17, . 161 



Ocellatuni (Cerithimn), Brug. Enc. JMeth. No" 43, . . 132 



Omissum (Cerithiuni), Bayle. Journ. de Couch, p. 250, 1880. 



= C. Eiythrieonense, Lam. ..."... 123 



Oosimense (Cerithium), Watson, Journ. Linn. 8oc. xv, p. 117, 



1881, 156 



Opportunum (Cerithium), Bavle. Journ. de Couch, p. 248, 



1880, . . . \ 130 



Ornata (Cerithidea), A. Ad. Thes. Conch, ii, p. 887, f. 277, 



278, 1855, 162 



Ornatum (Cerithium), Desh. Encyc. Meth. iii, 1058, 1882, . 188 

 Orvza (Bittium), Morch. Mai. Blatt. xxiii, p. 121, 1876, . 158 



Oryza (Triforis), Pse. Zool. Proc. p. 776, 1870, . . .*191 

 Owenii (Cerithium), Fer. IMartini Conch, t. 155, f. 1459. 



= C. radula, Linn 159 



Pacificum (Cerithium), Sowb. Gen. of Shells. No. 42, f. 9. . 158 

 Pagodula (Cerithium), Anton. Verzeich. p. 65, 1839, . . 144 

 Pairodulus (Cerithiopsis), A. Ad. Ann. and Mag. p. 130, 1861, 177 

 Pagodus (Triforis), Hinds. Zool. Proc. p. 22, 1843, . . 191 



