362 INDEX AND SYNONYMY. 



Oligotoma, Bellardi. Moll. Terz. Piemonte, pi. 2, p. 235, 



1877. = Genotia, Section, . . ... . 154 



Olivacea (Surcula), Sowb. Proc. Zool. Soc., 1833, p. 136, 237 

 Olyra (Pleurotoma), Reeve. Proc. Zool. Soc., 1845, p. 112, 306 

 Onager (Mangilia), Souverbie. Jour. Conch., 1875, p. 286, 



pi. xiii, f. 4, 272 



Opalina (Mangilia), Smith. Ann. Mag. N. H., 1882, 215, . 26L 

 Opalus (Mangilia), Reeve. Proc. Zool. Soc., 1845, p. 116, . 253 

 Ornata (Citharopsis), Pease. Am. Jour. Conch., iv, 97, 18B*. 



= Columbella Garretti, Try on. Vol. v, 166. 

 Ordinaria (Mangilia), Smith. Ann. Mag. N. H., 1882, 216, 250 

 Ornata (Pleurotoma), d'Orb. Ramon de la Sagra's Cuba, 



ii, p. 171, t. 23, f. 26-28. = D. zebra, Lam. 

 Ornata (Pleurotoma), Hinds. Moll. Vo}^. Sulph., p. 25. pi. 



7, f.21, . .302 



Oryza (Mangilia), Hinds. Proc. Zool. Soc., 1843, p. 46; 



Moll. Voy. Sulph., p. 26, pi. ix, f. 4, . . . 259 



Ostrearum (Drillia), Stearns. Proc. Bost. Soc. N. H., xv, 



p. 22, 1872, 197 



Otocheilus, Conrad. Am. Jour. Conch., i. 24, 1865. 



= Cythara. 

 Ovalis (Bela), Friele. Prel. Rept. Moll Norw. Exp., p. 9, 



1876; Jahr. Mai. Ges., 4, 263, 223 



Owenii (Surcula), Gray. Reeve, Conch. Icon., sp. 70, 1843, 242 

 Oxyclathrus(Clathurella), Martens. Mitth. i,p. 41, pi. 9,f. 1, 283 

 Oxytropis (Pleurotoma), Sowb. Proc. Zool. Soc., 1833, . 168 



Pachia (Pleurotoma), Watson. Jour. Linn. Soc., xv, p. 460, 



1881, . 299 



Paciniana (Pleurotoma), Calcara. Ricer. Malacol. Palermo, 



1839, p. 7,f. 2, . . 243 



Packardii (Pleurotoma), Verrill. Am. Jour. Sc., v, p. 15, 



1872, 316 



Pseteliana (Pleurotoma), Weinkauff. Conch. Cab., 61, pi. 12, 



f. 7, 8, 169 



Pagoda (Pleurotoma), Reeve. Proc. Zool. Soc., 1846, p. 5. 



= D. turris, Reeve. 

 Pagodoides (Fusus), Watson. Jour. Linn. Soc., xvi, 382. 



1882. = Columbarium, 320 



Pagoda (Columbarium), Lesson. 111. Zool., pi. 40, 1831, . 175 

 Pagoda (Drillia), Reeve. Proc. Zool. Soc., 1845, p. 1 14, . 210 

 Palliata (Drillia), Reeve. Proc. Zool. Soc., 1845, p. Ill, . 204 

 Pallida (M. linearis, var.), Forbes and Hanley, iii, 472. 



= M. linearis, Mont., var. 



Pallida (Mangilia), Reeve. Proc. Zool. Soc., 1846, p. 63, . 254 

 Pallida (Drillia), Sowb. Proc. Zool. Soc., 1833, p. 137, . 196 



