302 INDEX AND SYNONYMY. 



PAGE. 



Nanus (Trochus), Quoy. (not Lam.). Voy. Astr., iii, 7, 273, t. 



62, f. 5-7. = Risella picta, Phil ...... 262 



Natalensis (Littorina), Krauss. Sudafrik. Moll., p. 102. 



= L. nodosa, Gray. ........ 259 



Naticiformis (Cithna), Jeffreys. Zool. Proc., p. 112, t. 20, f. 



11, 1883, .......... 269 



Naticoides (Littorina), d'Orb. Moll. Cuba, p. 214, t. 15, f. 22, 



23, 1853. = L. mespilum, Muhlf. ..... 252 



Nebulosa (Littorina), Lam. Aniin. sans Vert., ix, p. 244. 



= L. scabrti, Linn, var ........ 244 



Neglecta (Littorina), Bean. == L. saxatilis, Johnston. . . 242 

 Neritiformis (Littorina), Brown. 111. Conch., p. 18, t. 16, f. 



24, 1845. = L. obtusata, Linn. var. . . . . . 253 



Neritoidea (Lacuna), Gld. Silliman's Journ., xxxviii, p. 197; 



Invert. Mass., p. 163, f. 170. = L. pallidula, DaCosta. . 265 

 Neritoides, Brown. Brit. Conch., 1828, .... 230, 252 

 Neritoides (Littorina), Linn. Syst. Nat., p. 1232, . . . 252 

 Neritrema, Recluz. Actes. Soc. Linn. Borcl., xxvii. 



= Neritoides, Brown. H. & A. Ad., Gen. i, p. 314, . . 230 

 Newcombi (Littorina), Rve. Conch. Icon., f. 28, a, b, 1857. 



= L. scabra, Linn. var. ....... 244 



Nicobarieus (Planaxis), Zelebor. Zool. Bot. Vereins, Wien., 



xvi, p. 910, 1866, .... ... 279 



Nigra (Planaxis), Quoy. Voy. Astr., ii, p. 491,. t. 33, f. 22-24, 



1832, . ... ... . 278 



Nigrilineata (Littorina), Gray. Zool. of Beechey^s Voy., p. 



140, 1839. = L. rudis, Donov. Var ...... 241 



Nigritellus (Planaxis), Forbes. Zool. Proc., p. 273, t. 11, f. 6, 



1850, ..... . .278 



Nigrofasciata (Risella Templiana, var.),' Nevill. Hand List, 



p. 161, 1884, . . . . ' ..... 2(>4 

 Nina, Gray. Figs. Moll. Anim., iv, 87, 1850, . . 281, 257 

 Nitidula (Litiopa), Pfr. Archiv fiir Naturgeschichte, i, p. 255, 



1840. = L. melanostoma, Rang. . . . . .281 



Nodosa (Littorina), Gray. Zool. of Beechey's Voy., p. 139, 



1839, ........ , . . .259 



Nodulosa (Littorina), d'Orb. Moll. Cuba, i, p. 205, t, 14, f. 11- 



14,1853. = L. dilatata, d'Orb ..... . . .258 



Nodulosus (Turbo), Gmel. Syst. Nat. Ed., xiii, p. 3f>N2, . 2-"^s 

 Novse-HibeniisB (Littorina), Less. Voy. Coq., p. 338, IS.'JO. 



= L. scabra, Linn ......... 244 



Noviu-Zelandia- ( Littorina), Rve. Conch. Icon., f. 74, 1857, . 249 

 NiiHt-ola (Plaimxi.-), Morcli. Mai. Blatt., xxiii, p. 126, 1876, 280 

 Nucleus ( Purpura ), Lam. Anim. sans Vert., vii, 1822, . . 277 



Obesa (Litiopa), ( 1 . T>. Ad. (out rib. Conch., p. 71, 149-1^)2, 2<si 

 Obesa (Littorina), Sowb. Gtenera of Shells, No. 37, f. n', . 247 



