INDEX AND SYNONYMY. 305 



PAGE. 



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



= L. Africana, Krauss, var. ...... 249 



Picta (Diala), A. Ad. Ann. & Mag., viii, p. 243, 1861 ; x, 

 295, 1862. = Alaba. ........ 282 



Picta (Fossarina), A. Ad. Zool. Proc., p. 312, t. 19, f. 26, 



1867, 275 



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

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



= L. planaxis, Nutt. 248 



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



= Risella melanostoma, Gmel 262 



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



= P. moll is, Sowb 279 



Piligerum (Holcostoma), Phil. Zeitsch. fur Malak., p. 164, 



1848, . . . . 280 



Pintado (Littorina), Wood. Suppl., t. 6, f. 34, 1828, . . 250 

 Pisum (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. melanostoma, Gmel 262 



Planaxis (Buccinum), 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. granularis, 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. fur Malak., p. 39, 1851. 



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



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

 Plumbeus (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, 181, . . . . .231 



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



62, 1885 285 



Prseusta (Alaba), Reeluz. Adams. Ann. Mag. N. Hist., x, 



295, 1862. ?= A. mclanura, C. B. Ad. .... 281 

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



187, 1885, 278 



Pseudolaevis (Littorina Diemenensis, var.), Nevill. Hand List, . 

 p. 141, 1884. = L. Mauritiana, Lam. . . . . . 247 



Pulchclla (Conradia). A. Ad. Ann. & Mag., viii, p. 307, 1861, 278 

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