INDEX AND SYNONYMY. 1 \~, 



PAGE. 



Picea (Nerita), Recluz. Rev. Zool., 1841, p. 15], . . .33 

 Pictus (Adeorbis), Tenison- Woods. Roy. Soc. Tasmania, 1876, 



p. 146, 86 



Picta (Neritina), Sowb. P. Z. S., 1832, p. 201, ... 41 

 Pictum (Sandalium), Schumacher. Essai d'un nouv. Syst., 



1817, p. 183. = Navicella suborbicularis, Bowl). . . 81 

 Picturata (Navicella), Garrett. Am. Jour. Conch., vii, p. 224, 



pi. 19, f. 13. = N. lineata, Lam 82 



Picturata (Neritina), Jan. Rossmass. Icon., h. ii, 1835. 



= N. varia, Ziegler. ........ 48 



Pila, Klein. 1753, 4, 18, 27 



Pileolus (Neritina), Recluz. Journ. Conch., i, 1850, p. 65, pi. 



8, f. 3. = N. crepidularia, Lam. 77 



Pileolus (Cookson), Sowerby. Genera of Shells, 1823, . . 11 

 Pilula (Liotia), Bunker. Mai. Blatt, vi, p. 226, . . 107, 112 

 Piperina (Neritina), Chemnitz. Conch. Cab. bd. ix, 1795, p. 



173, t. 197, f. 1905, 1906. = Neritina pennata, Born. . 59 

 Pisiformis (Nerita), Recluz. Rev. Zool., 1842, p. 181. 

 , = Neritina chlorostoma, Brod. ...... 66 



Plana (Adeorbis), A. Ad. Zool. Proc., 43, 1850, ... 83 

 Planissima (Neritina), Mousson. Jour, de Conch., 1869, p. 378, 



pi. 15, f. 9, 62 



Planorbula (Adeorbis), A. Ad. Zool. Proc., 43, 1850, . . 85 

 Planospira (Nerita), Anton Verzeich., p. 30, 1839, . . .21 

 Planospirata (Vitrinella), Carp. Mazat. Cat., 246, . . 103 

 Plexa (Nerita), Chemnitz. Conch. Cab., vol. v, p. 190, f. 1944, 



1945 . 19 



Plicata (Neritina), Gassies. Jour, de Conch., vii, 1858, p. 372. 

 = N. interrupta, Recluz. ....... 68 



Plicata (Nerita), Linn. Syst. Nat., ed. x, p. 779, . . .27 

 Plumata (Neritina), Menke. Syn. Moll., 1830, p. 39. 



= N. crepidularia, Lam. ....... 77 



Plumbea (Navicella), Sowb. In coll. 



= N. caerulescens, Reel . 82 



Plumbea (Neritina), Reel. ms. Sowb. Thes. Conch., ii, p. 



538, pi. 112, f. 119, 120, 37 



Polita (Nerita), Linn. Syst. Nat., ed. x, p. 778, . . 30 



Politum (Teinostoma), A. Ad. Zool. Proc., 1854, . . 103 



Polydelta (Neritina Ualanensis, Lesson, var.), Martens. Kiist., 



p. 193, f. 1-4, 7, ... .41 



Ponceliana (Vitrinella), Folin. Meleagrinicoles, p. 51, t. 5, f. 



7, ./'.' -101 



Porcata (Neritina), Gould. Proc. Bost. Soc. Nat. Hist., ii, 



1847, p. 225, -60 



Porcellana (Navicella), Recluz. Rev. Zool., 372, 1841. 



= N. Borbonica, Bory. . . . . . 78, 79 



Porcellana (Patella), Linn. Syst. Nat., ed. x, 1758, p. 781. 

 = Navicella suborbicularis, Sowb. 

 10 



