216 INDEX AND SYNONYMY. 



Pallescens (Triforis perversus, var.) Jeffr. Brit Conch, iv, p 

 262, 



Pallida (Cerithium Sagrse, var.), Morch. Mai. Blatt. xxiii, p 

 119, 1876, 



.Pallidum (Bittium), Pfr. Archiv fur Naturg. p. 287, 1840, 



Pallidus (Triforis), Pse. Zool. Proc. p. 774, 1870. 



Paludosa (Bittium reticulatum, var.), B. D. D. Moll. Eouss. p 

 215, t. 25, f. 14-19, 1884, 



187 



140 

 152 

 191 



151 



Palustris (Potamides), Linn. Syst. Nat. Edit, xii, 1213, . 160 

 Papillosum (Cerithium), Sowb. Thes. Conch, ii, p. 876, f. 215, 



1855. = C. lacteum, Kiener. . . . . . .144 



Parcum (Cerithium), Old. Bost. Proc. vii, p. 387, 1861, . 155 



Parva (Cerithium litteratum, var.), Kien. Coq. Viv. t. 14, f. 1. 



= C. algicola, C. B. Ad 129 



Patiens (Cerithium), Bayle. Journ. de Conch, p. 249, 1880, . 134 

 Patulum (Cerithium), Sowb. Thes. Conch, ii, p. 871, f. 74, 



1855, 133 



Pauxillum (Cerithium), A. Ad. Zool. Proc. p. 86, 1854, . 141 

 Paxillum (Cerithium), Pse. Zool. Proc. p. 433, 1860, . . 138 

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

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



1884, . .191 



Pellucidum (Cerithium), Homb. and Jacq. Voy. Astr. and 



Zelee. v, p. 101, t. 23, f. 24, 25, 1854. ? = C. patulum, 



Sowb. ... . ... . . . 133 



Peloritanum (Cerithium), Cantraine. Mem. Acad. Brux. ii, 392. 



= Lampanella minimus, Gmel. . . . . .168 



Penuticulata (Triforis), Dkr. 1881, Jouss. Soc. Mai. France. 



227, 1884, 191 



Perfectus (Triforis), Pse. Zool. Proc. p. 775, 1870, . . 191 



Perlatus (Triforis), Issel. Mar Ross. p. 152, 1869, . . 185 

 Perparvulum (Bittium), Watson. Challenger Exp. xv, p. 554, 



t. 38, 1. 3, 1886, 157 



Perpusillum (Bittium), Try on. . . . . . .154 



Peruvianum (Cerithium), d'Orb. Voy. Amer. Merid. 443, t. 77, 



f. 9, 10, 153 



Perversus (Triforis), Linn. Syst. Nat. Edit. xii. p. 1231, 1767, 187 

 Petitii (Cerithium), Schramm. Guadl. p. 11, 1869. 



C. costatum, Da Costa 164 



Petrosum (Cerithium), Wood. Ind. Test. Suppl. t. 4, f. 9, . 133 

 Pfeiiferi (Triforis), Crosse. Journ. de Conch, p. 47, t. 1, f. 14, 



15, 1865, .182 



Pfeifferi (Vertagus), Dkr. Mai. Blatt. xxiv, p. 75, 1877. 



= C. turritum, Sowb. . . . . . .147 



Pharos (Vertagus), Hinds. Voy. Sulph. p. 27, 1. 11, f. 3, 4, 



1844, . . . 149 



Philomelse (Cerithium), Watson. Journ. Linn. Soc. xv, p. 113, 



1881. ?== B. pigrum, Watson. 153- 



