INDEX AND SYNONYMY. 
Rubinicolor (Clionella), Reeve. Proc. Zool. Soce., 1845, 
p: 211, 
Rubricata (Clathurella), Reeve. Conch. Ic. pl. 39, f.321 1846, ; 
Rubrifasciata (Pleurotoma), Reeve. Proce. Zool. Soe. , 1845, 
p- 110, 
Rubro-apicata (Pleurotoma , Smith. Ann. Mag. N.H. 1889, 
269, : 
Rubrocincta ( (Pleurotoma), Smith. Ann. Mag. Nat. Hist., 
1882, 305, . ‘ : 3 : 
Rubro- guttata (Clathurella), HL. Adams. Proc. Zool. Soc., 
1872, p. 14, pl. iii, f. 25. —C. tincta, Reeve, . 
Rude (Pleurotoma), Philippi. Moll. Sicil. ,i, 199, t. 11, f. 16. 
— (C. clathrata, Marcel de Serres, . 
Rude (Pleurotoma), Scacchi. Cat. Conch., 12, f. ai: 
= C. Cordieri, Payr. 
Rudis (Drillia), Sowb. Proc. Zool. Soc., 1833, p. 134, 
Rufa (Bela), Mont. Test. Brit., 263, 
Rufescens (Drillia), Dunker. Mal. Blatt., xviii, P. 159, 
Rufinodis (Pleurotoma), Martens. Mauritius, p- 227, pl. 20, 
f.2. — G. granicostata, Reeve, 
Rufocincta (Mangilia), Smith. Ann. Mag. N. 1eF 1882, 215, 
Rufozonata (Clathurella), Angas. Proc. ‘Zool. Soc. LO ty P. 
Be ply, ts 1a. 
Rufus (Fusus), Gould (non Montag.). "Inv. Mass. ed. i, P 
290, f. 192. — B. pyramidalis, Strém. 
Rugifera (Pleurotoma), Sowb. Proc. Zool. Soc., 1833. 
= D. nigerrima, Sowb. 
Rugosa (Pleurotoma), Migh. Proc. Bost. Soc. rP- 23, 1845, 
vol. il, : : 
Rugulata (Bela), Moller, MSS. Sars, Moll. Norv. , 230, t. 23, 
f. 6. = B. turricula, Mont. : 
Rugulata ( (Bela), Reeve. Conch. Icon., > Sp: 345, 1846. 
= Pleurotoma bicarinata, Couth. . : 
Rugulata (Bela), Verrill. Proc. U. 8S. Nat. Mus. iii, p. 366. 
= B. Gouldii, Verrill. 
Rugulosa, var. (Pleurotoma), Monterosato. Notizie, p. 52. 
— M. Paciniana, Caleara. 
Rugulosa (Mangilia), Philippi. Enum. Moll., 2, pl. 26, f. 8, 
Rustica (Pleurotoma), Anton. Verzeichniss, p. 74, . 
Rustica (Pleurotoma), P. P.Carp. Cat. Prov. (non Sowb.). 
= D. aterrima, Sowb. 
Rustica (Pleurotoma), Sowb. Proc. Zool. Soc., 188, 1833. 
= D. nigerrima, Sowb. 
Sacerdos (Pleurotoma), Reeve. Proc. Zool. Soc., 1845, p. 
110. = Clavatula muricata, Lam. - - 
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