INDEX AND SYNONYMY. 143 



Ornatella (Xeritina), Mousson in coll. 



= N. Ualauerisie, Less 41 



Orsinii (Xeritina), Pecchioli in coll. 



= N. fluviatilis, Linn., var. . . . . .47 



Orthopoma, Gray. Proc. Zool. Soc., 1867 10 



Ory/arum (Xerita), Recluz. Rev. Zool., 1841, p. 178, . . 20 

 Ossea (Neritina), Garrett. ms. = X. rubida, Pease. . . 54 

 Otaitensis (Xerita), Less. Voy. Coquille, ii, pt. 1, p. 370. 



= X. plicata, Linn. . '. 27 



( )tostoma, d'Archiac. Bull. Soc. Geolr Fr., xvi, 871, 1859, . f> 

 Ovalis (Neritina), Sowb. Thes. Conch., ii, p. 507, pi. 113, f. 



121,122. N. pulligera, Linn r>7 



Oweuiana (Neritina), Gray. In Wood, Ind. Test, snppl., n. f. 

 *, . ... 76 



Pacifica (Xeritina cornuta, Eve., var.), Mousson. Jour, de 



Conch., 1870, p. 219, 58 



Pala (Navicella), Mousson. Jour, de Conch., xii, 1865, p, 189, 



201. N. Freycineti, Reel 80 



Pallida (Xeritina), Bunker. Mai. Blatt, viii, p. 40, . . 50 

 Pallidula ( Nerita), Da Costa. Hisso. Hist. Xat. Eur. Merid., 



iv, p. 131, 271. - Xeritina viridis, Linn. . . . .55 

 Paulucciana (Xeritina), Gassies. Jonr. Conch., xviii, 1870, p. 



149, . 55 



Paludosa (Xeritina), Garrett. ms. 



- X. chlorostoma, Brod. . . . . . . .66 



Palnue (Neritina reclivata, var.), Dall. Proc. Xat. Mus., 259, 



1885, . . 39 



Panamcnsis (Vitrinella), C. B. Ad. Panam. Cat., 238, . . 103 

 Panayana (Neritina), Recluz. P. Z. S., 1842, p. 70, . . 51 

 Papillosa (Xeritina), Jay. Cat. of Shells, 1839, pi. 4, f. 11. 



= X. granosa, Sowb 63 



Papuana (Xerita), Recluz. Rev. Zool., 105, 1841. 



X. undata, Linn. ........ 28 



Parcepicta (Xeritina Ualanensis, Less., var.), Martens. Kiist., 



p. 193, t. 20, f. 20-24, 41 



Paria, Gray. P. Z. S., 1867, p. 997, . . . . 10, 80 

 Parkeria, Gabb. Jour. Philad. Acad., 1880. 



= Pseudorotella, Fischer. . . 

 Parreyssi (Xeritina), Villa. Dispos. Syst. Conch., 1841, p. 38 



and 60. - X. fluviatilis, Linn., var 46 



Parva (Xavicella), Mousson. Land und Siiss-wasser, Moll. 



Java, p. 119, t. 22. = X. macrocephala, Guillou. . . 79 

 Parva (Vitrinella), C. B. Ad. Panam. Cat., 187, 316, . . 101 

 Parvula (Xeritina), (Guillou.) Recluz. Jour. Conch., i, p. 148. 



^= X. chlorostoma, Brod. ....... 66 



Patruelis (Adeorbis). A. Ad. Ann. and Mag., 245, 1861, . 84 

 Patula (Xerita), Recluz. Rev. Zool., 1841, p. 148, . .22 



