INDEX TO HELICES. 



73 



Norton! Braz. 

 Norvegica Esm. ii, 172. 

 Noscibilis Fer. v, 63 ; 

 Nossibeensis Bttg. vi, 



ix, 142 NuxdenticulataChemn. v, 82; 



[ix, 91 



97 Nux Mlldff. vi, 307 ; ix, 214 



ix, 228 

 ix, 251 



. ix, 

 40; 

 [ix, 

 . ix, 

 . ix, 

 . ix, 



Notabilis Fer. 



Notata Dh. 



Notata Poey, 



Nouleti LeGuill. ii, 77. 



Noumeensis Crosse, ii, 167 ; 



[ix, 



Nova Bgt. . . .1x4 

 Nova Paul. . . . ix, 

 Novacula Mart, vi, 33 ; ix, 

 Novsegeorgiensis Cox, vii, 

 [72; ix, 



Novaehiberni^e Q. ii, 39. 

 Novsehollandise Gray, vi, 91; 



[ix, 



Novarae Pfr. . . ix, 



Novella Pfr. ii, 41. 

 Noverca Friv. iv, 115 ; ix, 

 Novoguineensis Pfr. vii, 42 ; 



[ix, 



Novoseelandica Pfr. ix, 

 NubeculataDesh. v, 191; ix, 

 Nubigena Charp. vi, 84 ; ix, 

 Xubigena Lowe, iii, 223. 

 Nubila Charp. . . ix, 

 Nubila Zgl. iv. 106. . ix, 

 Nucleatus Stol. i,177. 

 Nucleola Rang, v, 82 ; 

 Nucleus Dh. iii, 207: 

 Nucula Parr, iv, 247 ; 

 Nuda Pfr. ii, 88. 

 Nudata West. 

 Nullarborica Tate, vi, 



Nux Mlldff. vi, 307 ; 

 Nux Semp. viii, 5 ; 

 157 Nya Let. 

 97 Nyassana Smith, ii, 128. 

 77 Nyelii Mitt, iii, 258 ; . ix, 260 

 74 Nympha Pfr. . . ix, 220 

 Nympha Pfr. viii, 23 ; . ix, 228 

 Nymphsea Dub. . ix, 304 



33 Nystiana Pfr. . . ix, 199 

 256 



263 Oajacensis Koch, iii, 50 ; ix, 199 

 157 OBBA Beck, . . . ix, 107 

 Obba Martens, . . ix, 105 

 143 Obbina Scrap. . . ix, 107 

 OBBINULA Stache, . ix, 295 

 Gfcconica Pse. ii, 49. 

 129 OBELUS Hartraaun, . ix, 261 

 18 Oberndoerferi Kob. iv, 217; 



[ix, 331 



277 Oberthuri Anc. . . ix, 256 

 Obesa Beck, v, 83 ; . ix, '91 

 142 Obesior Mart, ii, 91. 



30 Obliquata Dh. vii, 116 ; ix, 221 

 166 Obliquata Mart. . . ix, 112 

 252 Obliquata Rve. ii, 76. 



Obliquerugosa Smith, . ix, 343 

 252 Oblita Pfr. ii, 98. 

 302 ObliterataFer.v, 69; . ix, 99 

 Ob liter ata Hartm. . ix, 252 



91 Oblonga Sowb. viii, 269 ; ix, 104 

 204 ObnubilaRve. i, 120; . ix, 13 

 320 Obolus Old. iii, 61 ; . ix, 25 

 Obruta Morel, iv, 6 ; . ix, 255 

 <. 273 Obscura C. & F. vi, 302 ; ix, 156 



Num id-ia Issel. 

 Nuinidica Moq. iv, 24 ; 

 Nummuliformis Ret. 

 Nummulina Kob. 

 Nummus Ehr. iii, 199 ; 

 Nummus Issel. iii, 82 ; 

 Nupera Brazier, ii, 21 u 

 Nupta West. 

 Nuttalliana Lea. 



. ix, 



181 ; Obscura C. & F. . . ix, 190 



[ix, 131 Obscura Dh. iii, 206 ; . ix, 205 



. ix, 258 Obscura Mlldff. vi, 230 ; ix, 109 



ix, 263 Obscura Mouss. . . ix, 272 



ix, 260 Obscura Pils. . . ix, 199 



ix, 268 Obscurata A. & R. iii, 48. 



ix, 268 Obscurata Porro, ii, 190. 



ix, 5 Obscurata Rossm. ii, 190. 



ix, 34 Obserata Lwe. iv, 40 ; . ix, 241 



ix, 320 ObsitaPfr. . . . ix, 199 



ix, 199 ' Obsoleta Pils. . ix, 76 



