INDEX AND SYNONYMY. 305 



PAOE. 



Picea (Littorina), Rve. Conch. Icon., f. 83, 1857. 



= L. Africana, Kniuss, var 249 



Picta (Diala), A. Ad. Ann. A Mag., viii, p. 243, 18G1 ; x, 



295, 1862. =. Alaba 282 



Picta (Fossarina), A. Ad. Zool. I'roc, p. 312, t. 19, f. 26, 



1867, 275 



Picta (Lacuna), Watson. Journ. Linn. Soc, xv, p. 96, 1881, . 270 

 Picta (Littorina), Phil. Abbikl. Zool. Proc, p. 139, 1845. 



— L. ])lanaxis, Nutt 248 



Picta (Risella), Phil. Zeitsch. fur Malak., p. 132, 1846. 



=:= Risclla melano.stonia, Gmel. ...... 262 



Pigra (Planaxis), Forbes. Zool. Proc, 1850. 



= P. mollis, Sowb 279 



Piligerum (Holcostonia), Phil. Zeitsch. fiir Malak., p. 164, 



1848, 280 



Pintado (Littorina), Wood. 8ui)pl., t. 6, f. 34, 1828, . . 250 

 Pisuin (Modulus), Beck,Mss. Morch, Mai. Blatt., xxiii, p. 



130, 1876 262 



Plana (Risella), Quoy. Voy. Astr., iii, p. 274, t. 62, f. 13, 14, 



1832. -^ R. inelanostonui, Gmel. ..... 262 



Planaxis (Bucciuum), Wood. Index Test. Supp., p. 12, t. 4, 



f. 15a, 1828. ^ Planaxis planicostatus, Sowb. . . . 277 

 Planaxis, Lam. Anim. sans Vert., vii, 50, 1822, . . 237, 276 

 Planaxis (Littorina), Nuttall. Phil. Abbild., t. 4, f. 16, 1847, 248 

 Planicostatus (Planaxis), Sowb. Tank. Cat. App., p. 13, 1825, 277 

 Plena (Littorina). Mus. Godef. Cat., v, p. 105 (not of 



Gould.) =: T. granulans. Gray, ..... 260 



Plena (Littorina scutulata, var.), Gld. Bost. Proc, p. 53, 



1846; p. 83, 1849, 250 



Plesiotrochus, Fischer. Journ. de Conch., xxvi, p. 212, 1878, 232, 



264. 

 Plicatula (Risella), Phil. Zeitsch. fiir Malak., p. 39, 1851. 



= R. melanostoma, Gmel. . . . . . . . 262 



Pliciferus (Fossarus), A. Ad. Zool. Proc, p. Ill, 1863, . . 273 

 Plundieus (Planaxis), Pse. Zool. Proc, p. 244, 1861. 



:^ Plabiosus, A. Ad 279 



Porcata (Littorina), Phil. Zool. Proc, p. 139, 1845, . .242 

 Porrecta (Lacuna), Carp. Ann. & Mag., xiv, p. 428, 1864, . 265 

 Portlockia, de Koninck, 1881, ...... 231 



Pripclara (Giraudia), Bourg. Not. Moll. Lac Tanganyika, p. 



62, 1885 285 



Prteusta (Alaba), Recluz. Adams. Ann. Mag. N. Hist., x, 



295, 1862. = A. melanura, C. B. Ad 281 



Productus (Planaxis lineoUitus, var.), Nevill. Hand List, p. 



187, 1885 278 



Pseudolaivis (Littorina Diemenen.sis, var.), Nevill. Hand List, 



]). 141, 1884. = L. Mauritiana, Lam 247 



Pulcliolla (Conradia). A. Ad. Ann. & Mag., viii, p. 307, 1861, 273 

 20 



